an autodidact meets a dilettante…

‘Rise above yourself and grasp the world’ Archimedes – attribution

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the self and its brain: free will encore

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yeah, right

so long as, in certain regions, social asphyxia shall be possible – in other words, and from a yet more extended point of view, so long as ignorance and misery remain on earth, books like this cannot be useless.

Victor Hugo, author’s preface to Les Miserables

Listening to the Skeptics’ Guide podcast for the first time in a while, I was excited by the reporting on a discovery of great significance in North Dakota – a gigantic graveyard of prehistoric marine and other life forms precisely at the K-T boundary, some 3000 kms from where the asteroid struck. All indications are that the deaths of these creatures were instantaneous and synchronous, the first evidence of mass death at the K-T boundary. I felt I had to write about it, as a self-learning exercise if nothing else.

But then, as I listened to other reports and talking points in one of SGU’s most stimulating podcasts, I was hooked by something else, which I need to get out of the way first. It was a piece of research about the brain, or how people think about it, in particular when deciding court cases. When Steven Novella raised the ‘spectre’ of ‘my brain made me do it’ arguments, and the threat that this might pose to ‘free will’, I knew I had to respond, as this free will stuff keeps on bugging me. So the death of the dinosaurs will have to wait.

The more I’ve thought about this matter, the more I’ve wondered how people – including my earlier self – could imagine that ‘free will’ is compatible with a determinist universe (leaving aside quantum indeterminacy, which I don’t think is relevant to this issue). The best argument for this compatibility, or at least the one I used to use, is that, yes, every act we perform is determined, but the determining factors are so mind-bogglingly complex that it’s ‘as if’ we have free will, and besides, we’re ‘conscious’, we know what we’re doing, we watch ourselves deciding between one act and another, and so of course we could have done otherwise.

Yet I was never quite comfortable about this, and it was in fact the arguments of compatibilists like Dennett that made me think again. They tended to be very cavalier about ‘criminals’ who might try to get away with their crimes by using a determinist argument – not so much ‘my brain made me do it’ as ‘my background of disadvantage and violence made me do it’. Dennett and other philosophers struck me as irritatingly dismissive of this sort of argument, though their own arguments, which usually boiled down to ‘you can always choose to do otherwise’ seemed a little too pat to me. Dennett, I assumed, was, like most academics, a middle-class silver-spoon type who would never have any difficulty resisting, say, getting involved in an armed robbery, or even stealing sweets from the local deli. Others, many others, including many kids I grew up with, were not exactly of that ilk. And as Robert Sapolsky points out in his book Behave, and as the Dunedin longitudinal study tends very much to confirm, the socio-economic environment of our earliest years is largely, though of course not entirely, determinative.

Let’s just run though some of this. Class is real, and in a general sense it makes a big difference. To simplify, and to recall how ancient the differences are, I’ll just name two classes, the patricians and the plebs (or think upper/lower, over/under, haves/have-nots).

Various studies have shown that, by age five, the more plebby you are (on average):

  • the higher the basal glucocorticoid levels and/or the more reactive the glucocorticoid stress response
  • the thinner the frontal cortex and the lower its metabolism
  • the poorer the frontal function concerning working memory, emotion regulation , impulse control, and executive decision making.

All of this comes from Sapolsky, who cites all the research at the end of his book. I’ll do the same at the end of this post (which doesn’t mean I’ve analysed that research – I’m just a pleb after all. I’m happy to trust Sapolski). He goes on to say this:

moreover , to achieve equivalent frontal regulation, [plebeian] kids must activate more frontal cortex than do [patrician] kids. In addition, childhood poverty impairs maturation of the corpus collosum, a bundle of axonal fibres connecting the two hemispheres and integrating their function. This is so wrong foolishly pick a poor family to be born into, and by kindergarten, the odds of your succeeding at life’s marshmallow tests are already stacked against you.

Behave, pp195-6

Of course, this is just the sort of ‘social asphyxia’ Victor Hugo was at pains to highlight in his great work. You don’t need to be a neurologist to realise all this, but the research helps to hammer it home.

These class differences are also reflected in parenting styles (and of course I’m always talking in general terms here). Pleb parents and ‘developing world’ parents are more concerned to keep their kids alive and protected from the world, while patrician and ‘developed world’ kids are encouraged to explore. The patrician parent is more a teacher and facilitator, the plebeian parent is more like a prison guard. Sapolsky cites research into parenting styles in ‘three tribes’: wealthy and privileged; poorish but honest (blue collar); poor and crime-ridden. The poor neighbourhood’s parents emphasised ‘hard defensive individualism’ – don’t let anyone push you around, be tough. Parenting was authoritarian, as was also the case in the blue-collar neighbourhood, though the style there was characterised as ‘hard offensive individualism’ – you can get ahead if you work hard enough, maybe even graduate into the middle class. Respect for family authority was pushed in both these neighbourhoods. I don’t think I need to elaborate too much on what the patrician parenting (soft individualism) was like – more choice, more stimulation, better health. And of course, ‘real life’ people don’t fit neatly into these categories, there are an infinity of variants, but they’re all determining.

And here’s another quote from Sapolsky on research into gene/environment interactions.

Heritability of various aspects of cognitive development is very high (e.g. around 70% for IQ) in kids from [patrician] families but is only around 10% in [plebeian] kids. Thus patrician-ness allows the full range of genetic influences on cognition to flourish, whereas plebeian settings restrict them. In other words, genes are nearly irrelevant to cognitive development if you’re growing up in awful poverty – poverty’s adverse affects trump the genetics.

Behave, p249

Another example of the huge impact of environment/class, too often underplayed by ivory tower philosophers and the silver-spoon judiciary.

Sapolsky makes some interesting points, always research-based of course, about the broader environment we inhabit. Is the country we live in more communal or more individualistic? Is there high or low income inequality? Generally, cultures with high income inequality have less ‘social capital’, meaning levels of trust, reciprocity and cooperation. Such cultures/countries generally vote less often and join fewer clubs and mutual societies. Research into game-playing, a beloved tool of psychological research, shows that individuals from high inequality/low social capital countries show high levels of bullying and of anti-social punishment (punishing ‘overly’ generous players because they make other players look bad) during economic games. They tend, in fact, to punish the too-generous more than they punish actual cheaters (think Trump).

So the determining factors into who we are and why we make the decisions we do range from the genetic and hormonal to the broadly cultural. A couple have two kids. One just happens to be conventionally good-looking, the other not so much. Many aspects of their lives will be profoundly affected by this simple difference. One screams and cries almost every night for her first twelve months or so, for some reason (and there are reasons), the other is relatively placid over the same period. Again, whatever caused this difference will likely profoundly affect their life trajectories. I could go on ad nauseam about these ‘little’ differences and their lifelong effects, as well as the greater differences of culture, environment, social capital and the like. Our sense of consciousness gives us a feeling of control which is largely illusory.

It’s strange to me that Dr Novella seems troubled by ‘my brain made me do it’, arguments, because in a sense that is the correct, if trivial, argument to ‘justify’ all our actions. Our brains ‘make us’ walk, talk, eat, think and breathe. Brains R Us. And not even brains – octopuses are newly-recognised as problem-solvers and tool-users without even having brains in the usual sense – they have more of a decentralised nervous system, with nine mini-brains somehow co-ordinating when needed. So ‘my brain made me do it’ essentially means ‘I made me do it’, which takes us nowhere. What makes us do things are the factors shaping our brain processes, and they have nothing to do with ‘free will’, this strange, inexplicable phenomenon which supposedly lies outside these complex but powerfully determining factors but is compatible with it. To say that we can do otherwise is just saying – it’s not a proof of anything.

To be fair to Steve Novella and his band of rogues, they accept that this is an enormously complex issue, regarding individual responsibility, crime and punishment, culpability and the like. That’s why the free will issue isn’t just a philosophical game we’re playing. And lack of free will shouldn’t by any means be confused with fatalism. We can change or mitigate the factors that make us who we are in a huge variety of ways. More understanding of the factors that bring out the best in us, and fostering those factors, is what is urgently required.

just thought I’d chuck this in

Research articles and reading

Behave, Robert Sapolsky, Bodley Head, 2017

These are just a taster of the research articles and references used by Sapolsky re the above.

C Heim et al, ‘Pituitary-adrenal and autonomic responses to stress in women after sexual and physical abuse in childhood’

R J Lee et al ‘CSF corticotrophin-releasing factor in personality disorder: relationship with self-reported parental care’

P McGowan et al, ‘Epigenetic regulation of the glucocorticoid receptor in human brain associates with childhood abuse’

L Carpenter et al, ‘Cerebrospinal fluid corticotropin-releasing factor and perceived early life stress in depressed patients and healthy control subjects’

S Lupien et al, ‘Effects of stress throughout the lifespan on the brain, behaviour and cognition’

A Kusserow, ‘De-homogenising American individualism: socialising hard and soft individualism in Manhattan and Queens’

C Kobayashi et al ‘Cultural and linguistic influence on neural bases of ‘theory of mind”

S Kitayama & A Uskul, ‘Culture, mind and the brain: current evidence and future directions’.

etc etc etc

Written by stewart henderson

April 23, 2019 at 10:53 am

Deep brain stimulation, depression and ways of thinking

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I read in a recent New Scientist that some progress has been made in using deep brain stimulation (DBS) to find associations between electrical brain activity and ‘mood’ or mood changes. This appears to mean that there’s an electrical ‘signal’ for happiness, sadness, anxiety, frustration, and any other emotion we can give a name to. And to paraphrase Karl Marx, the point is not to understand the brain, but to change it – at least for those who suffer depression, PTSD, bipolar disorder, epilepsy and a host of other debilitating disorders. So that we can all be happy clapping productive people…

So what is DBS and where is it heading? Apparently, electrodes can be implanted in specific brain regions to monitor, and in some cases actually change, ‘negative’ electrical activity. I use scare quotes here not to indicate opposition, but to highlight the obvious, that one person’s negativity may not be another’s, and that eliminating the negative also means eliminating the positive, as one means nothing without the other. Similar to the point that loving everyone means loving no-one. 

But I’m getting ahead of myself with these ethical matters. Here’s a simple overview of DBS from the Mayo Clinic:

Deep brain stimulation involves implanting electrodes within certain areas of your brain. These electrodes produce electrical impulses that regulate abnormal impulses. Or, the electrical impulses can affect certain cells and chemicals within the brain.
The amount of stimulation in deep brain stimulation is controlled by a pacemaker-like device placed under the skin in your upper chest. A wire that travels under your skin connects this device to the electrodes in your brain.

The most recent research translated neural signals into the mood variations of seven epilepsy sufferers who were fitted with implanted electrodes. The participants filled out periodic questionnaires about their mood, and clear matches were supposedly found between those self-reports and patterns of brain signals. Based on this knowledge, a decoder was built that would recognise particular signal patterns related to particular moods. It was successful in detecting mood 75% of the time. Brain patterns varied between participants, but were confined mainly to the limbic system, a network essential to triggering swings of emotion. 

I’m not sure if I should be overly impressed with a sample size of seven and a 75% success rate, but I do think that this research is on the right track, and there will be increasingly successful pinpointing of brain activity in relation to mood in the future, as well as other improvements, for example in the use of electrodes. Currently there’s an issue around the damaging long-term effects of implants, and non-invasive systems are being developed that can stimulate the brain from outside the skull. And of course there’s that next step, modulating those mood swings to ‘fix’ them, or to head them off at the pass.

All of this raises vital questions in relation to causes and treatments. If we focus on that most difficult but pervasive condition, depression, which so many people I know are medicating themselves against, it would seem that a brain-stimulation ‘cure’ would be less damaging than any course of anti-depressants, but it completely bypasses the question of why so many people are apparently suffering from this condition these days. Johann Hari has written a bestseller on depression, Lost Connections, which I haven’t read though I’ve just obtained a copy, and I’ve heard his long-form interview on Sam Harris’ Waking Up podcast. So I’ll probably revisit this issue more than once.

The medical establishment is more interested in treatment than in causes, and generally investigates causes only so as to refine treatments, but severe depression has proved difficult to treat other than with drugs which may have severe side-effects when used long-term. Clinicians have used terms such as treatment-resistant depression (TRD) and major depressive disorder (MDD) to characterise these conditions, which are on the rise worldwide, particularly in the more affluent nations. 

DBS first came to prominence as a promising treatment for movement disorders such as Parkinson’s disease and dystonia (which causes muscles to contract uncontrollably). It has since been used for more psycho-neurological ailments such as OCD, Tourette syndrome and severe, treatment-resistant addiction, with modest but statistically significant benefits. It has even shown promise in the treatment of some forms of dementia. Side-effects have been mostly confined to surgical procedures.

Clearly this type of treatment will improve with better targeting and increased knowledge of brain regions and their interactions, and in the case of MDD, which can be overwhelmingly debilitating, it offers much hope of a better life. But the question remains – why is depression increasing, and why in those countries that appear to offer a richer and more stimulating environment for their citizens? 

Hari’s title, Lost Connections, more than hints at his view of this, and in a recent conversation it was suggested to me that, in more subsistence societies, most people are too busy struggling to survive and keep their families alive and well to have the time to be depressed. This might seem a slap in the face to MDD sufferers (and I might add that the person making that suggestion is on anti-depressants), but surely there’s a grain of truth to it. I’ve often had travellers say to me ‘you should visit x, the people there have so little, yet they’re so happy and relaxed’. Is this a matter of ignorance being bliss? I recall, as a fifteen-year-old in one of the world’s most affluent and educated countries, wagging school and reading one of my brother’s economics textbooks – he was at university – and trying to get my head around the laws of supply and demand. It occurred to me that this might take years – but what about the other subjects that gripped me when I read about them? Astronomy, physics, ancient history, music, subjects that often had little to do with each other but which you could spend your whole lifetime immersed in. Not to mention other childhood ambitions that hadn’t been let go, to be a great sport star, or rock star, or latter-day Casanova…

This sense, cultivated in advanced societies, that you can achieve anything you set your mind to, can easily overwhelm when you’re faced with so many choices, and so many gaps in skill and knowledge between what you are and what you’d like to be, that it’s inevitable that sometimes you’ll feel flat, crushed by the weight of your own delirious hopes and expectations. This might be called a mood-swing, a symptom of depression, or even of bipolar disorder. All effort to climb that mighty mountain seems fruitless. The very thought of it sends you back to bed.

Such moods have overtaken me many times, but I’ve never called myself depressed, at least not in a clinical sense, and never sought medical advice or taken anti-depressant medication. I’ve occasionally been pressured to do so, because misery likes company, but I have a kind of basic stoicism which knows these moods will pass and that I should ‘rise above myself and grasp the world’ – a quote said to be from Archimedes, which is the new subtitle of my blog. 

The point here is that I think I have a sense of where all this depression is coming from, and it’s not just about a lack of connection. Nor is it, surely, all about low serotonin levels, or receptor malfunctions or other purely chemical causes. It’s so much more complicated than that. That’s to say it’s about all of these things but also about failure, the gap between the ideal and the real, the gap – in advanced countries – between the privileged rich and the disadvantaged poor, disillusionment, stress, grief, selfishness, the hope deferred that makes the heart sick…

So – back to DBS. Presumably this and other treatments have the same measure of success, which might be described as ‘improved functionality within the wider world’. Being able to hold down a job, hold a conversation, hold on to your partner, hold a baby without dropping it, etc. Of course, this is a worthwhile aim of any treatment, but what is actually happening to the brain under such a treatment? Neurologists might one day be able to describe this effectively in terms of dopamine levels and electrical activity, and the stimulation or becalming of regions of the nucleus accumbens and so forth, but on the level of thinking, dreaming, wondering, all those terms studiously avoided, or just ignored, by neurology (all for understandable reasons), what is happening? We don’t know. Treatment seems essentially a matter of dealing with functionality in the external world, and letting that inner world take care of itself. Is that the right approach? Something gained, but something lost? I really don’t know. 

Written by stewart henderson

December 18, 2018 at 2:27 pm

What’s up with Trump’s frontal cortex? part 2

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Before going on with my thoughts about little Donnie’s brain, I want to address two pieces of relevant reading I’ve done lately. 

First, the short article by ‘Neuroskeptic’ entitled ‘Don’t blame Trump’s brain‘. Now, as anyone who’s read much of my blog knows, I consider myself a skeptic and a supporter of the skeptical community. However, I don’t entirely agree with Neuroskeptic here. First, describing people’s attempt to work out Trump’s psychology or neurology from his words and actions as ‘Trumphrenology’ is a silly put-down. In fact, all psychiatric conditions are diagnosed on the basis of observed words and acts – duh, what else? Unless there’s a brain injury or genetic abnormality. So the medical terms used to describe Trump and others do have some validity, though I agree that ‘medicalising’ the problem of Trump can be counter-productive, as it is with many ‘conditions’ which have appeared recently to describe the spectra of human behaviour. It’s more important, in my view, to recognise Trump as a career criminal than to put a psycho-neurological label on him. Then again, as someone who doesn’t believe in free will, the brain that makes Trump be Trump is of some interest to me. Second, Neuroskeptic describes the arguments of those who attribute medical conditions to people on the basis of behaviour as ‘circular’. This is false. Behaviour is more than s/he thinks it is. When we try to understand the brain, we look at how it behaves under particular conditions. According to Neuroskeptic ‘it’s rarely useful to try to understand a behaviour in neuroscientific terms’. If that’s true, then the monumental 700-page book Behave, by Robert Sapolsky, one of the world’s leading neurobiologists, was largely a waste of time. Third, Neuroskeptic questions the validity and ethics of Trump ‘diagnosis-at-a-distance’. This is absurd. Over the past two years alone, Americans have been subjected to several thousand tweets, hundreds of televised speeches and comments, and the day-to-day actions of the lad in the White House. Unless they make a real effort to switch off, most Americans can’t help knowing more about Trump than they do about just about anyone in their intimate circle. Where’s the distance?

Second, on The dangerous case of Donald Trump, by 27 people working in the field of mental health. I’ve not read it, but I’ve read the ‘summary’, attributed to Bandy X Lee, the contributing editor of the full book, though I prefer to believe that Lee, a respected Yale professor of psychology, had no hand in writing this summary, which is, syntactically speaking, the worst piece of published writing I’ve ever read in my life (I say this as a language teacher). I prefer to believe it was written by an intellectually disabled computer. I’m sure the full book is far far better, but still I’m amused by the variety of conditions Trump may be suffering from – ADHD, malignant narcissism, borderline personality disorder, psychopathology, sociopathology, delusional disorder, generalised anxiety disorder etc (OK that last one is what most reasoning Americans are supposedly suffering from because of Trump). All of this is a bit of a turn-off, so I won’t be reading the book. I tend to agree with what Neuroskeptic seems to be inferring – that we don’t need a psychiatric diagnosis as an excuse to get rid of Trump – his obviously asinine remarks, his insouciant cruelty and his general incompetence are in full view. His criminality should have seen him in jail long ago, for a long time. Further, the idea that a diagnosis of mental instability could lead to invoking the 25th amendment is absurd on its face. Anyone who’s read the 25th amendment should see that. I don’t see any evidence that Trump’s condition is deteriorating – he’s been consistently deceitful and profoundly incurious throughout his life. That means he was elected as a fuckwitted dickhead. Don’t blame Trump, blame those who elected him. And blame the lack of checks and balances that should make it impossible for just anyone to become President. Democracy does have its flaws after all.

So what are the patterns of behaviour that might lead to a diagnosis, which then might be confirmed neurologically – if, for example we were to apply a tranquillising dart to this bull-in-a-china-shop’s voluminous rump, then tie him up and probe his frontal and pre-frontal regions and their connections, in response to questioning and other fun stimuli (I’d love to be in charge of that operation)?

I’ll first list some notable Trump behaviours and traits, recognised by the cognoscenti, without suggesting anything about their relation to frontal cortex disfunction.

  • A tendency, or need, to take credit for everything positive that happens within his particular environment, and a concomitant tendency, or need, to blame anyone else for everything negative occurring in that environment
  • a winner/loser mentality, in which losers are often members of ‘losing’ cultures, sub-groups or entities (blacks, latinos, women, the failing NYT) and winners are judged in terms of pure power and wealth (Putin, Kim, Manafort, Fred Trump)
  • lack of focus in speeches and an inability to listen; generally a very limited attention span 
  • frequently cited temper tantrums
  • lack of empathy and consideration for others, to quite an extreme degree, close to solipsism
  • emphasis on compliance and deference from others, inability to deal with criticism
  • extreme lack of curiosity
  • lack of interest in or understanding of ethics
  • lack of interest in or understanding of concepts of truth/falsehood 
  • extreme need to be the centre of attention

I think that’s a good start. As to how these traits map on to psychopathological states and then onto cortical development, I won’t be so psychopathological as to provide clear answers. Most people I’ve spoken to suggest malignant narcissism as a pretty good fit for his behaviour – perhaps due to its all-encompassing vagueness? Wikipedia describes it as ‘a hypothetical, experimental diagnostic category’, which doesn’t sound promising, and it isn’t recognised in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR), though narcissistic personality disorder (NPD) is. I suppose that some people want to particularly emphasise Trump’s malignancy, but I think NPD is bad enough. Here’s the Wikipedia description, drawn from the latest DSM and other sources:

a personality disorder with a long-term pattern of abnormal behavior characterized by exaggerated feelings of self-importance, excessive need for admiration, and a lack of empathy. Those affected often spend a lot of time thinking about achieving power or success, or on their appearance. They often take advantage of the people around them. The behaviour typically begins by early adulthood, and occurs across a variety of social situations.

Now, I came up with the Trump behavioural traits before I read this description, I swear. I think the fit is pretty exact, but it’s clear that those responsible for diagnosing someone with NPD don’t do so on the basis of brain scans. I’ve explored enough neurology to fairly safely say that NPD, psychopathy and many other psychiatric conditions just can’t, as yet be reliably correlated with neurological connections or lack thereof. Even schizophrenia, one of the more treatable psychotic conditions, is rarely described in terms of brain function, and is diagnosed entirely through behaviour patterns. 

Having said this, all of these conditions are entirely about brain function, and in Trump’s case, brain development since early childhood. We’ll never get to know what precisely is up with Trump’s frontal cortex, partly because we’ll never get that tranquilising dart to penetrate his fat arse and to then practise Nazi-like experimentation… sorry to dwell so lovingly on this. And partly because, in spite of the galloping advances we’re making in neurology, we’re not at the knowledge level, I suspect, of being able to pinpoint connections between the amygdalae, the hypothalamus, the hippocampus and the various regions of the frontal and prefrontal cortex. I plan to do more research and reading on this, and there may be another blog piece in the offing. However, one thing I can say – Trump probably isn’t a psychopath. Psychopaths tend not to have temper tantrums – their emotional responses are minimal, rather than being exacerbated by life’s slings and arrows, and their violence is instrumental rather than impassioned. Their amygdalae – the founts of aggression and anxiety – are correspondingly reduced. Doesn’t sound like Trump.

Again, though reflection on Trump’s curious psyche may be intrinsically interesting, it’s his crimes that should do him in. As I’ve said before, the fact that he’s not currently in custody is a disgrace to the American criminal and legal system. His fixer is facing a jail term, and in pleading guilty to two felony counts of campaign finance violations, has fingered Trump as the Mr Big of that operation. Those authorities who have not arrested him should themselves be facing legal action for such criminal negligence. And of course other crimes will be highlighted by the Mueller team in the near future, though such scams as Trump University should have seen him jailed long ago. Others have suffered lengthy prison terms for less. But that’s the USA, the greatest democracy in the greatest, free-est and fairest nation in the history of the multiverse. Maybe such overweening pride deserves this fall…

Written by stewart henderson

October 12, 2018 at 4:20 pm

What’s up with Trump’s frontal cortex? – part 1

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He is fitful, irreverent, indulging at times in the grossest profanity… manifesting but little deference for his fellows, impatient of restraint or advice when it conflicts with his desires, at times pertinaciously obstinate, yet capricious and vacillating, devising many plans of future operations, which are no sooner arranged than they are abandoned in turn for others appearing more feasible. 

Trump, when asked who he consults with on foreign policy

You might be forgiven for thinking the above description is of the current US President, but in fact it’s a 19th century account of the change wrought upon Phineas Gage after his tragically explosive encounter with a railway tamping rod in 1848. It’s taken from neurobiologist Robert Sapolsky’s book Behave. A more fulsome analysis is provided in Antonio Demasio’s landmark work Descartes’ Error. The 19th century account is provided by Gage’s doctor.

Due to an accident with blasting powder the iron tamping rod blew a large hole through a part of Gage’s brain, exited through the top of his skull and landed some eighty feet away ‘along with much of his left frontal cortex’ (Sapolsky). Amazingly, Gage survived, though with great changes to his behaviour, as described above . Before the accident he had earned a reputation as a highly skilled, disciplined and reliable railway team foreman.

I was quite happy to be reacquainted with Gage’s story this morning, because in a recent conversation I was expounding upon Trump’s pre-adolescent nature, his tantrums, his solipsism, his childish name-calling, his limited language skills, his short attention span, his more or less complete ethical delinquency and so forth, about which my companion readily agreed, but when I suggested that this was all about a profoundly underdeveloped frontal cortex, she demurred, feeling I’d gone a bit too far.

Of course, I’m not a neurologist, but…

Any full description of Trump’s apparently missing or severely reduced frontal cortex needs to be evidence-based, but Trump is as likely to submit to any kind of brain scan or analysis as he is to present his tax returns. So the best we can do is compare his behaviour to those we know to have frontal lobe impairment.

Sapolsky tells us about the importance of the frontal lobe in making the tough decisions, the kinds of decisions that separate us from other primates. These are decisions in which our emotions and drives are activated, as well as higher order thinking involving a full understanding of the impact upon others of our actions.

Interestingly, in the case of Gage, his personality transformation meant that he couldn’t continue in his former occupation, so for a time he suffered the humiliation of being an exhibit in P T Barnum’s American Museum. I find this particularly intriguing because Trump has often been compared to Barnum – a showman, a con-man, a self-promoter and so forth. So in some ways – for example in Trump’s rallies, which he clearly loves to engage in – Trump has a dual role, as exhibitor and exhibit.

More importantly though, and this story is I think far more important than his injury and humiliation, Gage recovered almost completely over time – a testament to the brain plasticity which has recently been highlighted. On reflection, this shouldn’t be so surprising. Gage had been a person of rectitude and responsibility for decades before the disaster, and the neuronal pathways that his habitual behaviour had laid down, perhaps since early childhood, had only to be recovered through memory. It’s astonishing how this can happen even with subjects with less brain matter than ‘normal’ humans. Different parts of the brain can apparently be harnessed to rebuild the old networks.

The case of Trump, though, is different, as these higher order networks may never have been laid down. This isn’t to say there isn’t something there – it’s not as if there’s just a great hole where his frontal cortex should be. It’s more that his responses would map onto the responses of someone – a teenager or pre-teenager – who reliably behaves in a certain way because of the lack of full development of the frontal cortex, which we know isn’t fully developed in normal adults until their mid-twenties. And when we talk of the frontal cortex, we’re of course talking of something immensely complex with many interacting parts, which respond with great variability to different stimuli among different people.

But before delving into the neurological issues, a few points about the recent New York Times revelations regarding Fred Trump’s businesses, his treatment of young Donald and vice versa. The Hall & Oates refrain keeps playing in my head as I write, and as I read the Times article. What it suggests is a gilded, cosseted life – a millionaire, by current financial standards, at age eight. It seems that right until the end, Fred Trump covered up for his son’s business incompetence by bailing him out time and time again. This adds to a coherent narrative of a spoilt little brat who was rarely ever put in a position where he could learn from his mistakes, or think through complex solutions to complex problems. Trump senior clearly over-indulged his chosen heir-apparent with the near-inevitable result that the spoilt brat heartlessly exploited him in his final years. Fred Trump was a business-obsessed workaholic who lived frugally in a modest home and funnelled masses of money to his children, especially Donald, who basically hoodwinked the old man into thinking he was a chip off the old block. In the usual sibling battle for the parents’ affection and regard, Donald, the second son, saw that his older bother, Fred junior, was exasperating his dad due to his easy-going, unambitious nature (he later became an alcoholic, and died at 42), so Donald presented himself as the opposite – a ruthless, abstemious, hard-driving deal-maker. It worked, and Donald became his pretend right-hand man: his manager, his banker, his advisor, etc. In fact Donald was none of these things – underlings did all the work. Donald was able to talk the talk, but he couldn’t walk the walk – he had none of his father’s business acumen, as the Times article amply proves. In the late eighties, with the stock market crashing and the economy in free-fall, Trump made stupid decision after stupid decision, but his ever-reliable and always-praising dad kept him afloat. He also bequeathed to his son a strong belief in dodging taxes, crushing opposition and exaggerating his assets. The father even encouraged the son’s story that he was a ‘self-made billionaire’, and it’s not surprising that the over-indulged Donald and his siblings eventually took advantage of their ailing father – enriching themselves at his expense through a variety of business dodges described in the Times article. By the time of his death, Fred Trump had been stripped of almost all of his assets, a large swathe of it going to Donald, who was by this time having books ghost-written about how to succeed in business.

Of course it can be argued that Trump has one real talent – for self-promotion. This surely proves that he’s more than just a spoilt, over-grown pre-teen. Or maybe not. It doesn’t take much effort to big-note yourself, especially when, due to the luck of your family background, you can appear to walk the walk, especially in those rallies full of uncritical people desperate to believe in the American Business Hero. Indeed, Trump’s adolescent antics at those rallies tend to convince his base that they too can become rich and successful idiots. You don’t actually have to know anything  or to make much sense. Confidence is the trick.

It’s not likely we’ll ever know about the connections within Trump’s frontal and prefrontal cortices, but we can learn some general things about under-development or pre-development in those regions, and the typical behaviour this produces, and in my next post – because this one’s gone on too long  – I’ll utilise the chapter on adolescence in Sapolsky’s Behave, and perhaps other texts and sources – apparently Michelle Obama brought Trump’s inchoate frontal cortex to the public’s attention during the election – to explore further the confident incompetence of the American president.

Written by stewart henderson

October 7, 2018 at 5:38 pm

Brat Cavernaugh, or the Ruling Class at play: part two

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Mitch McConnell, ruthless American conservative

 

In a speech to his old high school in 2015, Kavanaugh remarked smirkily that ‘what happens at Georgetown Prep stays at Georgetown Prep, that’s been a good thing for all of us..’ It’s fascinating how such a seemingly harmless piece of banter can take on much darker tones as information comes to light. For example, considering that Georgetown Prep has always been an all-boys’ school, ‘all of us’ clearly refers to only one gender, and considering that the cloud gathering over Kavanaugh now is all about his and his preppy mates’ treatment of the opposite sex, which may have at times bordered on criminality, this hiding of the truth about goings-on at the school becomes very disturbing. 

The intense focus on Kavanaugh in recent weeks has revealed someone who knows how to be evasive in a lawyerly way. The end result, before the scandalous claims began mounting up, was that Democrats and moderate Republicans, in Congress and out, had no clear idea of his views on Roe v Wade, presidential power and immunity, or any other key issue that concerned them. It can be argued that this evasiveness was a product of ‘due judiciousness’, the view that a judge can’t answer these general questions, but has to pass judgment on the facts before him in particular instances, but with so much at stake, it’s understandable that those with at least some progressive cells in their body would want a clearer picture. This has in fact been given by examinations of his record of judgements and legal opinions, which don’t provide much hope for progressives.  

More importantly, Kavanaugh’s evasiveness has been very much to the fore as allegations have come to light re his high school and university years. In the case of his most recent appearance before the judiciary committee, this evasiveness has been mixed with, and sometimes masked by, a belligerent and, in my view, self-servingly mawkish tone which I didn’t find conducive to truthfulness. Most importantly, and, I feel, decisively, he managed to avoid answering the question as to whether he would be prepared to submit to an FBI investigation. Not once but on five separate occasions when questioned on the matter. In spite of my squeamishness, I did witness him doing this on one of the cable networks, and to me it was clear what he was doing. As a person who has himself been falsely accused – of a crime even more serious than anything alleged against Kavanaugh – I know how I feel about police investigations – that they should be done as promptly and as thoroughly as humanly possible, and I would certainly have been prepared to testify to the highest authorities under oath many times over to clear my name, and was in fact desperate to do so. And since there were no witnesses to the allegation made against me, I would certainly have been happy to have any and all witnesses to testify to my character in respect of violence, or my accuser’s character in respect of truth-telling. But, being a ‘nobody’, accused by a nobody, I had to sit and by and watch the police do virtually nothing, until forced to do so, after which the case was thrown out. So Kavanaugh’s refusal to answer that question, and his obvious whitewashing of the period in question, can only be explained one way. Innocent people just don’t behave like that, unless there’s something very wrong with them. 

The fact is, Kavanaugh’s obfuscation is incredibly telling, and the majority Republicans, who have now ‘permitted’ an FBI inquiry, ‘limited in scope and time’, are still doing their best to ram through the confirmation ‘no matter what’, according to the dictum of the egregious Mitch McConnell. This is not an investigation which will probe all the facts in the case, because it is limited by a partisan party. Moreover, the recent appearance by Kavanaugh was conducted under oath, and a number of classmates have since come forward to point out that he told lies under that oath, about his drinking habits, which he massively downplayed while also talking, strangely, at length, about the pleasures of beer. He presented himself as a church-going, highly studious, sporty type whose love of beer wasn’t excessive. Classmates have come forward to say that he was very often drunk, that he was a mean drunk, a sloppy drunk and so forth, and that he therefore lied under oath, which should be immediately disqualifying. 

However, having said that, it’s likely that the FBI will not be investigating his drinking habits, they will only concern themselves, as directed, with the alleged assault or assaults. Though it isn’t entirely clear, it seems, what the FBI’s brief is. In fact, as I write, the goalposts keep shifting. The White House and Trump seemed to broaden the investigation, then the media were told, no, it would remain limited, etc, and the FBI itself seemed confused about all the mixed signals. The bureau is supposed to take its orders from the White House in this instance, which is itself a worry. Not surprisingly, Trump is now heaping praise on the FBI – at least until their findings are presented.

But to return to Kavanaugh’s final ‘testimony’. It was belligerent and evasive, but also partisan and Trumpian – blaming the Clintons for a set-up and an ambush. It’s noteworthy that Trump was critical of Kavanaugh’s performance in his first hearing, and it’s well-known that Kavanaugh had been ‘rehearsing’ his performance at the White House, so this time he did his master’s bidding and played the witch-hunt card, thus managing to be offensively belligerent and obsequious at the same time – though why he chose to play to an audience of one, when the confirmation was largely out of Trump’s hands, is anyone’s guess.

The most recent development, which seems to be Trump’s own doing, is that the FBI is being given as wide a scope as it needs. From this, I’m getting the impression that Trump is preparing to wash his hands of Kavanaugh – to throw him under that very destructive bus the Yanks keep talking about – but the GOP is definitely not. Which leaves the FBI as the piggy in the middle, with the White House giving carte blanche, and the Republican Senators, under the whip of the disgusting McConnell, saying it all has to be wrapped up by Friday (October 5). It’s an impossibly ludicrous situation. Apparently the FBI is currently busy turning away an increasing number of people who want to speak to the agency about Kavanaugh’s drunken loutishness during his college days. It’s becoming increasingly clear that Brett was then something of a lout, and is now something of a liar. All in all it’s the behaviour of that class of people I recall from my own university days – students of the moneyed professions, behaving boorishly in the bar, mixing only with their own kind, man-spreading smugly, making a moat of waste and filth around their table as they disgorged food, drink, fag-ends and assorted packaging over the course of a fun evening. The sort of people worth avoiding, for a lifetime. Everything I’ve observed about Kavanaugh recently fits that picture to a t. Having said that, having been a loutish youth over thirty years ago isn’t a crime. Pretending that you never really behaved badly isn’t either. But, on the one hand, we’re not talking about criminality, we’re talking about suitability for a particular job, a job that clearly requires great integrity (as does the job of US President, but that’s another story…). On the other hand, the possibility of a serious crime is in question, and that won’t be properly investigated, because of the determination of McConnell and the GOP. So, if the GOP manage to get him confirmed, it will destroy the credibility of their party for a long time into the future – and I believe Kavanaugh can be impeached. Though he may have to wait in line. 

Written by stewart henderson

October 3, 2018 at 2:07 pm

bubblemouth Trump

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I’ve made the prediction that Trump will be out of office by the end of 2018. Not just defanged, due to next year’s congressional elections, but out on his capacious rump. That’s a hope as well as a prediction of course, but there are various areas from which the end can come. It might be the women’s lobby, with apparently more allegations to come about sleazy sex stuff from bullish males, on top of a current rating of 24% among women for Trump. It might be the Mueller inquiry, and Trump’s attempt to stop it. It might be the backlash from the tax bill thievery, and Trump’s unpredictable and violent response to it, or it might be some entirely new disaster created by Trump’s ‘I alone can fix it’ fantasies. It’s quite likely that some voted for Trump as a joke, to see what would happen if an administration worthy of a Marx Brothers movie took over their country, but for those types the joke has worn thin. Others may have seriously hoped that he would rid their world of all those losers who stopped them from getting ahead. They’re the types who are less easily shifted, because they’d be blaming first all those nasty liberals who are blocking Trump’s policies. However, a realisation of Trump’s basic lack of humanity is starting to trickle down to them, if nothing else ever will. The tax bill is hugely unpopular, and will probably be even more so if it’s enacted. African-Americans and women of all backgrounds are finding their voice. Democrats are winning local elections against Trump’s urging…

But in this post I don’t want to focus so much on Trump’s appeal or his demise, but on his character. In the past I’ve always treated him as a bad joke and so I’ve switched off, either literally or figuratively, every time he came into view. Recently, though, I’ve been focusing on him, as much as I can bear.

So here’s my amateur, and only partial, psychoanalysis of Trump, for what it’s worth. I don’t think anyone would deny that he’s a liar, though the degree of outrage caused by this runs across the whole spectrum. On this topic many have described him more as a bullshitter, taking their cue from Harry Frankfurt’s classic (but not entirely persuasive) essay. Another regular criticism is that he’s not really an adult – the White House cabinet being described as adult day carers, coddling the Prez and hiding many disturbing aspects of reality from him lest he react in uncontrollable and destructive ways.

I certainly agree with both these strains of thought. Children aren’t held to the same standards of truth as adults, as they’re still ‘finding themselves’, seeking to assert themselves in the world. This self-assertion, in early childhood, is seen, generally, as more important than ‘getting things right’ – with some obvious exceptions. I’ve experienced, with great delight, a precociously articulate child at age three or four, telling the most grandiose story of her heroic rescue of a grandparent from a shipwreck at sea. Whether she got this story from a dream or a TV drama or from the immediate environment (at the time I was carrying her along a walkway on a small island smacked by ocean waves), or a combination, I can’t say, but I could see she was relishing her story and her central role in it. I was thrilled by it, and full of wonder at her imagination, and I could also see that she was thrilled by her central role, and the question of the truth of the story seemed irrelevant. My own part was to encourage the narrative.

This child is now a teenager and would be both embarrassed and intrigued by this story, I’m sure. She is a very different person now, and certainly no Donald Trump. But the story of her story is instructive. I think it’s common for young children to confabulate and make themselves the heroes of their lives, until reality knocks them into having a different perspective. But that all depends on upbringing and what we’re allowed to get away with. We often talk of spoiled children, by which we usually mean kids who are over-indulged, never corrected, allowed to get away with all sorts of unacceptable behaviour. And when they’re rich spoiled kids, the damages can be commensurate. Trump clearly fits the spoiled rich kid category, though of course every spoiled kid is spoiled in its own unique way. There are doubtless many ways in which Trump has been spoiled, but one of them is this never-corrected, and probably encouraged, tendency to confabulate, to say things because they’re appealing, either to himself or to his audience, but preferably to both.

Trump loves his own words. They comfort him, they fortify him, they give him a boost, especially when they’re received warmly by others. That’s why, when talking to the press the other day, he spoke as if he was back on the campaign trail, with people chanting and cheering his every sentence. And he loves to contemplate the things he says, because they emphasise his power and glory. For example, when he says aloud, ‘We’re going to rebuild the FBI’, he takes great pleasure in those words. They are magnificent, glorious. And he doesn’t say ‘I will rebuild the FBI’, for that would be too vain, he would be generous and accept the help of others. And when he says ‘the FBI’ he has only the vaguest sense of what that entity is, all he needs to be aware of is that it’s a Big Thing, which it would be mighty to rebuild. He might’ve said ‘we will rebuild the Giza Pyramid (or the Earth, or the Universe) and it’ll be bigger and better than ever’, but that would be to lose perspective. It’s not as if he’s crazy or anything.

So he observes these words coming out of his mouth like beautiful big bubbles, so beautiful to see in his mind’s eye that he’s tempted to repeat them, and often does – ‘it’s terrible what’s happening at the FBI, really terrible. It’s really so terrible.’ You might not think these words are so beautiful, but Trump does. President Trump. They’re his magisterial words, his godlike judgment on the FBI, or the Obama administration, or NATO or whatever. And he has gained this authority through the nation’s reverent acclamation of his magnificence. He will vanquish his enemies, who are hacks, lightweights, losers, such lovely words, such definitive judgments, He’ll say them again….

So that’s Trump, the man who loves towers, who wants to tower, who has now been given the chance to tower over his enemies. And yet, thankfully, he’s managed little in power over the last year, though the terrible tax bill looms large and his damage to the judiciary will outlive him. His beautiful bubbles aren’t enough, he vaguely knows that, though that won’t stop him from producing them – he may finally be reduced to doing nothing else. These bubbles have a truth to him that’s inexplicable to anyone else. When he says, for example, ‘I love China, I’ve read hundreds of books on China’, this has a truth to him which is far more vital and beautiful than actually reading a load of books on China (an activity only fit for drones and lightweights), it describes a new-minted aspiration which is masterfully fulfilled through the act of speaking. Trump’s bullshit is intended to deceive himself first, others second. And it’s not really deceiving, I feel, it’s more delighting, enlivening and consoling, like so many bubbles, as I don’t think Trump has ever gotten beyond the stage of talking for the sake of narrative. For him, truth isn’t really an issue, and that’s why science and evidence mean so little to him. His thought processes never reached that level. He’s stuck with his bubbles.

Another way of saying all this is that a large part of Trump’s conscious activity is that of the pre-schooler who invents adventures for himself and succeeds in all of them, largely oblivious of the world around him. For the sake of that real world, he needs to be cut free from his minders and enablers, and vanquished once and for all.

Written by stewart henderson

December 18, 2017 at 9:50 am

embodied cognition: common sense or something startling? – part two. language and education

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Canto: There isn’t much detail in Lobel’s book about how sensations or the senses can be harnessed to education, but she tantalisingly offers this:

Several studies have shown that peppermint and cinnamon scents improved cognitive performance, including attention and memory; clerical tasks, such as typing speed and alphabetisation; and performance in video games.

Jacinta: Right, so we spray peppermint and cinnamon about the classroom, and genius rises. But is there anything in this approach specifically for language learning?

Canto: Well, a key insight, if you can call it that, of embodied cognition is that not only does the mind influence the body’s movements, but the body influences our thinking. And the relationship can be quite subtle. It’s known from neurophysiological studies that a person’s motor system is activated when they process action verbs, and when they observe the movements of others.

Jacinta: So that’s about mirror neurons?

Canto: Exactly. The basic take-away from this is that activating mirror neurons enhances learning. So as a teacher, combining gestures, or ‘acting out’ with speech to introduce new language, especially verbs, is an effective tool.

Jacinta: Playing charades, so that students embody the activity? This can be done with phrasal verbs, for example, which students often don’t get. Or prepositions. The teacher or students can act them out, or manipulate blocks to show ‘between’ ‘next to’, ‘in front of’, ‘under’, etc. This would be a useful strategy for low-level learning at our college, really engaging the students, but it would also help with higher level students, who are expected to write quite abstract stuff, but often don’t have the physical grounding of the target language, so they often come out with strange locutions which convey a lack of that physical sense of English that native speakers have.

Canto: Yes, they use transition signals and contrast terms wrongly, because they’re still vague as to their meaning. Acting out some of those terms could be quite useful. For example, ‘on the one hand/on the other hand’. You could act this out by balancing something on one hand, and then something of equal weight on the other hand, and speaking of equal weights and balancing in argument, and then getting the students to act this out for themselves, especially those students you know are likely to misconstrue the concept. ‘Furthermore’ could be acted out both by physically adding more to an argument and taking it further in one direction. ‘Moreover’ takes more over to one side. You could use blocks or counters to represent contrast words, a word or counter that shifts the argument to the opposite side, and to represent the additive words, with counters that accumulate the arguments on one side.

Jacinta: So this acting out, and gesturing, all this is very suggestive of the origins of language, which might’ve begun in gestures?

Canto: Yes it’s a very complex communicative system, which may well have begun with a complex gestural system, accompanied by vocalisations. Think of the complexity of signing systems for the deaf – it’s extraordinary how much we can convey through hand gestures accompanied by facial expressions and vocalisations, or even partial vocalisations or pre-vocalisations – lip movements and such. Other primates have complex gestural communisation, and it was in monkeys that mirror neurons were first discovered by neurophysiologists examining inputs into the motor cortex. They are the key to our understanding of the embodied nature of language and communication. When we learn our L1, as children, we learn it largely unconsciously from our parents and those close to us, by copying – and not only copying words, but gestures which accompany words. We absorb the physical framing of the language, the tone in which certain words are conveyed, words and phrases – locutions – associated with physical actions and feelings such as anger, sadness, humour, fear etc, and they fire up or activate neurons in the motor cortex as well as in those centres related to language processing.

Jacinta: I’ve heard, though, that there’s a competing theory about the origin and evolution of language, relating to calls, such as those made by birds and other animals.

Canto: Not just one other. This has been described as the hardest problem in science by some, and I’ve hardly scratched the surface of it, but I recently watched an interview with Giacomo Rizzolatti, whose team discovered mirror neurons in monkeys, and he strongly favours the gestural origin theory, though he also says we need more neurophysiological evidence, for example of mirror neurons in other areas of the brain, or the absence of them, before we decide once and for all. He finds the debate a little ideological at present.

Jacinta: Well the origin of language obviously involves evolution, but there are few traces discoverable from the past. Spoken language leaves no trace. So it’s always going to be highly speculative.

Canto: Well it may not always be, but it long has been that’s for sure. Apparently the Linguistic Society of Paris banned all present and future debate on the origins of language back in 1866, so we could get arrested for this post.

Jacinta: Yeah, a bit hard to enforce that one. So we have no idea about when human language evolved, or did it evolve gradually over hundreds of thousands of years?

Canto: Well, that’s more speculation, but there are continuity theories (language is this extremely complex thing that came together gradually with the accumulation of changes – mutations or brain-wirings – over an extended period), and there are discontinuity theories that favour, for example, a single transformative genetic mutation.

Jacinta: And what about the song theory – that’s one I’ve heard. That song, and therefore music, preceded language. I suppose that’s romantic speculation – right up our alley.

Canto: Okay so this is very interesting and something to follow up in future posts, but we should get back to our main subject, the implications of embodied cognition for language learning today.

Jacinta: Aren’t the implications fairly straightforward – that we learned language, that’s to say our L1 – in a thoroughly embodied way, within a rich sensory and physical context, as highly active kids, and so it’s a battle to get students to learn their L2 or another language, because neurons that fire together wire together, and there’s this thing called brain frugality which makes us always look for short-cuts, so we always want to convert the L2 into the familiar, wired-in L1, rather than trying to grasp the flow of a foreign language. We want to work in the familiar, activated channels of our L1. So, as teachers, we can help students to develop channels for their L2 by teaching in a more embodied way.

Canto: Here’s a thought – I wonder if we can measure teaching techniques for L2 by examining the active brain and the feedback mechanisms operating between cortices as students are being taught? Have we reached that level of sophistication?

Jacinta: I doubt it. It’s an intriguing thought though. But what exactly would we be measuring? How much of the brain is ‘lighting up’? How long it’s remaining lit up? And how would we know if what’s being activated is due to language learning? It could be active avoidance of language learning…

Canto: I need to learn much more about this subject. I’ve heard that you can’t and shouldn’t teach an L2 in the way we learn our L1, but what does that mean? In any case, it’s true that the way we teach, in serried rows, facing the front with too much teacher talk and a general discouragement of talking out of turn and even moving too much, it really does smack of an old dualist conception, with disembodied minds soaking up the new language from the teacher.

Jacinta: Well surely you don’t teach that way any more, shame on you if you do, but there are ways in which a more embodied approach can be used, with role-playing, framing and other forms of contextualising.

Canto: Yes, clearly contextualising and incorporating action, sensation and emotion into language teaching is the key, and getting students to use the language as often as possible, to learn to manipulate it, even if ungrammatically at times and with gestural accompaniment….

Jacinta: So, like learning L1? But we ‘pick up’ our L1, we absorb it like little sponges, together with context and connotation. Is that really how to learn an L2? Is the idea to replace the L1 with a thoroughly embodied L2? Or is it to have two – or more – fully embodied, firing-and-wired transmitting and feedback-looping  language systems alongside each other. What about energy conservation?

Canto: Okay so let this be an introductory post. I clearly need to research and think on this subject a lot more…

the brave new world of neurophenomenology, apparently

the brave new world of neurophenomenology, apparently

 

Written by stewart henderson

January 22, 2017 at 9:50 pm