Simon Baron-Cohen

Last updated

Sir
Simon Baron-Cohen
Simon Baron-Cohen.jpg
Baron-Cohen in 2011
Born
Simon Philip Baron-Cohen

(1958-08-15) 15 August 1958 (age 66)
Hampstead, London, England
Education
Known for Autism research
Spouse
Bridget Lindley
(m. 1987;died 2016)
AwardsKanner-Asperger Medal (2013)
Scientific career
Fields
Institutions University of Cambridge
Thesis Social Cognition and Pretend-Play in Autism  (1985)
Doctoral advisor Uta Frith

Sir Simon Philip Baron-Cohen FBA FBPsS FMedSci (born 15 August 1958) [1] is a British clinical psychologist and professor of developmental psychopathology at the University of Cambridge. He is the director of the university's Autism Research Centre and a Fellow of Trinity College.

Contents

In 1985, Baron-Cohen formulated the mindblindness theory of autism, the evidence for which he collated and published in 1995. In 1997, he formulated the prenatal sex steroid theory of autism, the key test of which was published in 2015. In 2003, he formulated the empathising-systemising (E-S) theory of autism and typical sex differences, the key test of which was published in 2018.

He has also made major contributions to research on autism prevalence and screening, autism genetics, autism neuroimaging, autism and vulnerability, autism intervention and synaesthesia. Baron-Cohen was knighted in the 2021 New Year Honours for services to people with autism.

Early life and education

Baron-Cohen was born into a middle-class Jewish family in London, the second son of Judith and Hyman Vivian Baron-Cohen. [2] [3] [4]

He completed a BA in human sciences at New College, Oxford, and an MPhil in clinical psychology at the Institute of Psychiatry, King's College London. He received a PhD in psychology at University College London; [5] his doctoral research was in collaboration with his supervisor Uta Frith. [6]

Career

Baron-Cohen is professor of developmental psychopathology at the University of Cambridge in the United Kingdom. [5] He is the director of the university's Autism Research Centre [7] and a Fellow of Trinity College. [5]

He is a Fellow of the British Psychological Society (BPS), [8] the British Academy, [9] the Academy of Medical Sciences, and the Association for Psychological Science. [10] He is a BPS Chartered Psychologist [8] and a Senior Investigator at the National Institute for Health and Care Research (NIHR). [11]

He serves as vice-president of the National Autistic Society (UK), [12] and was the 2012 chairman of the National Institute for Health and Care Excellence (NICE) Guideline Development Group for adults with autism. [13] He has served as vice-president and president of the International Society for Autism Research (INSAR). [5] He was founding co-editor-in-chief of the journal Molecular Autism . [14] [15]

He was the chair of the Psychology Section of the British Academy. [16] He is also a clinical psychologist who has created a diagnosis clinic in the UK for late autism diagnosis in adults. [17]

Baron-Cohen gave the keynote lecture on the topic of Autism and Human Rights at the United Nations on World Autism Awareness Day in 2017. [18]

In 2024, he was awarded an Honorary Fellowship to the Royal Society of Medicine for his contributions to the field of psychiatry. [19]

Research

The mindblindness theory of autism

Baron-Cohen has worked in autism research for over 40 years, starting in 1982. In 1985, while he was member of the MRC Cognitive Development Unit (CDU) in London, he and his colleagues Uta Frith and Alan Leslie formulated the "theory of mind" (ToM) hypothesis, to explain the social-communication difficulties in autism. ToM (also known as "cognitive empathy") is the brain's partially innate mechanism for rapidly making sense of social behavior by effortlessly attributing mental states to others, enabling behavioral prediction and social communication skills. [20] [21] They confirmed this using the false belief test, showing that a typical four-year-old child can infer another person's belief that is different to their own, while autistic children on average are delayed in this ability. [21]

Baron-Cohen's 1995 book, Mindblindness summarized his subsequent experiments in ToM and the disability in ToM in autism. He went on to show that autistic children are blind to the mentalistic significance of the eyes and show difficulties in advanced ToM, measured by the "reading the mind in the eyes test" (or "eyes test") that he designed. [22] He conducted the first neuroimaging study of ToM in typical and autistic adults, and studied patients with acquired brain damage, demonstrating lesions in the orbito- and medial-prefrontal cortex and amygdala can impair ToM. [23] He also reported the first evidence of atypical amygdala function in autism during ToM. [24] In 2017, his team studied 80K genotyped individuals who took the eyes test. He found single nucleotide polymorphisms (SNPs) partly contribute to individual differences on this dimensional trait measure on which autistic people show difficulties. [25] This was the evidence that cognitive empathy/ToM is partly heritable. The National Institutes of Health recommended Baron-Cohen's eyes test as a core measure that should be used as part of the Research Domain Criteria (RDOC) for assessing social cognition. [26]

Empathizing-systemizing (E-S) theory

In 1997, Baron-Cohen developed the empathizing-systemizing (E-S) theory which proposes that humans can be classified on the basis of their scores along two dimensions (empathizing and systemizing). Empathizing includes both cognitive empathy (imagining what someone else is thinking or feeling) and affective empathy (responding with an appropriate emotion to what someone is thinking or feeling). Systemizing is the drive to analyse or construct rule-based systems to understand how things work. A system is defined as anything that follows if-and-then patterns or rules.

The E-S theory argues that typical females on average score higher on empathizing relative to systemizing (they are more likely to have a brain of type E), and typical males on average score higher on systemizing relative to empathizing (they are more likely to have a brain of type S). Autistic people are predicted to score as an extreme of the typical male (they are more likely to have a brain of type S or extreme type S). [27] These predictions were confirmed in a 2018 online study of 600,000 non-autistic people and 36,000 autistic people. This also confirmed that autistic people on average are “hyper-systemizers”. [28]

Working with the personal genomics company 23andMe, Baron-Cohen’s team studied 56K genotyped individuals who had taken the Systemizing Quotient. He and his colleagues found that the common genetic variants associated with systemizing overlapped with the common genetic variants associated with autism. He concluded that the genetics of autism not only includes genes associated with disability but also include genes associated with talent in pattern recognition and understanding how things work. [29]

Prenatal neuroendocrinology

Baron-Cohen's work in E-S theory led him to investigate whether higher levels of prenatal testosterone explain the increased rate of autism among males. [27] His prenatal sex steroid theory of autism had preliminary support in 2009 in finding that prenatal testosterone was positively correlated with autistic traits in childhood and gained additional support in 2015 and 2019 in finding elevated prenatal androgens and estrogens in pregnancies that later were linked to a diagnosis of autism. [30] [31]

In his 2004 book Prenatal Testosterone in Mind (MIT Press), Baron-Cohen put forward the prenatal sex steroid theory of autism. [32] He proposed this theory to understand why autism is more common in males. Using the Cambridge Child Development Project that he established in 1997, a longitudinal study studying children of 600 women who had undergone amniocentesis in pregnancy, he followed these children postnatally. This study demonstrated, for the first time in humans, how normative variation in amniotic prenatal testosterone levels correlates with individual differences in typical postnatal brain and behavioral development. His team discovered that in typical children, amount of eye contact, rate of vocabulary development, quality of social relationships, theory of mind performance, and scores on the empathy quotient are all inversely correlated with prenatal testosterone levels. In contrast, he found that scores on the embedded figures test (of attention to detail), on the systemizing quotient (SQ), measures of narrow interests, and number of autistic traits are positively correlated with prenatal testosterone levels. [33] Within this study his team conducted the first human neuroimaging studies of brain grey matter regional volumes and brain activity associated with prenatal testosterone. [34] Other clues for the theory came from Baron-Cohen's postnatal hormonal studies which found that autistic adults have elevated circulating androgens in serum [35] and that the autistic brain in women is ‘masculinized’ in both grey and white matter brain volume. [36] An independent animal model by Xu et al. (2015, Physiology and Behavior, 138, 13–20) showed that elevated prenatal testosterone during pregnancy leads to reduced social interest in the offspring.

Baron-Cohen's group also studied the rate of autism in offspring of mothers with polycystic ovary syndrome (PCOS), a medical condition caused by elevated prenatal testosterone. He found that in women with PCOS, the odds of having a child with autism are significantly increased. [37] This has been replicated in three other countries (Sweden, Finland, and Israel) and is in line with the finding that mothers of autistic children themselves have elevated sex steroid hormones. [38] [39] But to really test the theory, Baron-Cohen needed a much larger sample than his Cambridge Child Development Project, since autism only occurs in 1% of the population. So, in 2015, he set up a collaboration with the Danish Biobank which has stored over 20 thousand amniotic fluid samples which he linked to later diagnosis of autism via the Danish Psychiatric Register. He tested the prenatal androgens and found that children later diagnosed as autistic were exposed to elevated levels of prenatal testosterone, and the Δ4 sex steroid precursors to prenatal testosterone. [31] In 2019 he tested the same cohort's levels of exposure to prenatal estrogens and again found these were elevated in pregnancies that resulted in autism. [30] These novel studies provide evidence of the role of prenatal hormones, interacting with genetic predisposition, in the cause of autism.

Other contributions

In 2006, Baron-Cohen proposed the assortative mating theory which states that if individuals with a systemizing or "type S" brain type have a child, the child is more likely to be autistic. [27] [40] One piece of evidence for this theory came from his population study in Eindhoven, where autism rates are twice as high in that city which is an IT hub, compared to other Dutch cities. [41] In addition, he found both mothers and fathers of autistic children score above average on tests of attention to detail, a prerequisite for strong systemizing. [42]

In 2001, he developed the autism-spectrum quotient (AQ), a set of fifty questions that measures how many autistic traits a person has. [43] This was one of the first measures to show that autistic traits run right through the general population and that autistic people on average simply score higher than non-autistic people. Baron-Cohen has replied to this by saying there are no questions in the AQ that ask about mathematical interest, and that the finding that AQ is associated with scientific and mathematical talent has been found in multiple studies, suggesting these may have shared mechanism such as strong systemizing. The AQ has subsequently been used in hundreds of studies including one study of half a million people, showing robust sex differences and higher scores in those who work in STEM. [28] [44] Multiple studies have also shown that both psychological and biological variables correlate with the number of autistic traits a person has. [45]

Baron-Cohen also developed Mindreading, for use in special education. [46] His team also developed The Transporters, an animation series aimed at teaching emotion recognition to preschool age autistic children, [47] and conducted the first clinical trial of lego therapy in the UK, finding that autistic children improve in social skills following this. [48]

He has also contributed to applied autism research. He found that autistic people are being failed by the criminal justice system, [49] and have higher rates of suicidality, [50] higher rates of postnatal depression, [51] and higher rates of mental [52] and physical health conditions. [53]

Reception

Spectrum News had described the work of Baron-Cohen on theory of mind as “a landmark study”. [54] The Lancet described him as “a man with extraordinary knowledge, but his passionate advocacy for a more tolerant, diverse society, where difference is respected and cultivated, reveals a very human side to his science”. [55]

Baron-Cohen’s book, The Essential Difference was described by The Guardian as “compelling and inspiring” while his book, [56] The Pattern Seekers was selected as the Editor’s Choice by the New York Times. [57] A book review published in Phenomenology and the Cognitive Sciences characterized The Essential Difference as "very disappointing". [58] According to Time magazine, his views on systemizing traits had "earned him the ire of some parents of autistic children, who complain that he underestimates their families' suffering". [40] Baron-Cohen has replied in an op-ed in Scientific American acknowledging the challenges families face. He has also commented that the huge body of scientific evidence supporting predictions from the mindblindness and E-S theories cannot be ignored. [59]

Baron-Cohen and his book The Science of Evil were described by The New York Times “an award-winning psychologist” who had “unveiled a simple but persuasive hypothesis for a new way to think about evil.” [60]

Baron-Cohen's "empathizing-systemizing theory" was published in Science, and states that humans may be classified on the basis of their scores along two dimensions (empathizing and systemizing); and that females tend to score higher on the empathizing dimension and males tend to score higher on the systemizing dimension. Feminist scientists, including Cordelia Fine, neuroscientist Gina Rippon, and Lise Eliot have questioned his extreme male brain theory of autism. [61] [62] [63] [64] [65] Baron-Cohen has defended the study of sex differences against their charges of neurosexism, clarifying that gender differences only apply to differences on average between groups of males and females, and agrees that it would be sexist and unacceptable to prejudge an individual based on their gender since a person’s mind may not be typical of their gender. [66] Multiple data sets have now confirmed the E-S and extreme male brain theories. [67]

Time magazine has also criticized the assortative mating theory proposed by Baron-Cohen, claiming that it is largely speculative and based on anecdotal evidence. The theory claims that autism rates are increasing because "systemizers", individuals with more autistic traits, are more likely to marry each other and are more likely to have autistic offspring due to relatively recent societal changes. [68] James McGrath has criticized the autism-spectrum quotient, writing that the score increases if one indicates interest in mathematics, and decreases if one indicates interest in literature or art. He claims that this leads to the false notion that most autistic people are strong in math. [69]

Critics also argue that Baron-Cohen’s focus on autistic people without intellectual or learning disability limits how far his findings can be generalised. Baron-Cohen has acknowledged that a disproportionate amount of autism research globally is conducted with autistic people without learning (intellectual) disabilities and has called for more research with autistic people who have learning disabilities, to ensure that autism research serves the whole autism community. But he challenges this criticism in pointing out that even among those with learning disability, strong systemizing is observed. [70] [71]

The theory of mind deficit hypothesis, especially the universal core deficit version, has faced many criticisms from some people in the autism community and from researchers. [72] [73] [74] Baron-Cohen has commented that many studies have replicated the findings with group-level on-average differences, despite the heterogeneity of autism in terms of empathy and ToM, including multiple studies conducted by Simon Baron-Cohen in recent years, which found that around 40-60% of autistic people have impaired ToM and empathy, whereas the other 40-60% of autistic people are unimpaired or above average in ToM and empathy. [75] [76] [77] [78]

Baron-Cohen's theories about mindblindness are also questioned by autistic philosophers, in part on the basis that non-autistic people are as blind to the internal states of autistic people as autistic people are to those of non-autistic people. [79] Baron-Cohen agrees that the “double-empathy” problem is an important contribution to this field. There is also criticism of Baron-Cohen's concept of theory of mind on the grounds that it implies he is classifying autistic people as not fully human. Baron-Cohen has replied that autistic people are fully human and that theory of mind or cognitive empathy exists on a bell curve. He views autism as an example of neurodiversity and disability. [80] [81]

Recognition

Baron-Cohen was awarded the 1990 Spearman Medal from the BPS, [82] the McAndless Award from the American Psychological Association, [83] the 1993 May Davidson Award for Clinical Psychology from the BPS, [84] and the 2006 presidents' Award from the BPS. [85]

He received an honorary degree from Abertay University in 2012, [86] and was awarded the Kanner-Asperger Medal in 2013 by the Wissenschaftliche Gesellschaft Autismus-Spektrum as a Lifetime Achievement Award for his contributions to autism research. [87] He was also knighted in the 2021 New Year Honours for services to people with autism. [88]

Baron-Cohen's Mindreading and The Transporters special educational software were nominated for the British Academy of Film and Television Arts (BAFTA) awards in 2002 and 2007. [89] [90]

Personal life

In 1987, Baron-Cohen married Bridget Lindley. [91] Together, they had three children. [40]

He has an elder brother Dan Baron Cohen and three younger siblings, brother Ash Baron-Cohen and sisters Suzie and Liz. [4] His cousins include actor and comedian Sacha Baron Cohen and composer Erran Baron Cohen. [2] [92] [93]

Selected publications

Single-authored books

Other books

Selected journal articles

See also

Related Research Articles

<span class="mw-page-title-main">Asperger syndrome</span> Formerly recognized subtype of autism

Asperger syndrome (AS), also known as Asperger's syndrome or Asperger's, was a diagnosis used to describe a neurodevelopmental condition characterized by significant difficulties in social interaction and nonverbal communication, along with restricted, repetitive patterns of behavior and interests. Asperger syndrome has been merged with other conditions into autism spectrum disorder (ASD) and is no longer a diagnosis in the WHO's ICD-11 or the APA's DSM-5-TR. It was considered milder than other diagnoses which were merged into ASD due to relatively unimpaired spoken language and intelligence.

Empathy is generally described as the ability to take on another person's perspective, to understand, feel, and possibly share and respond to their experience. There are more definitions of empathy that include but are not limited to social, cognitive, and emotional processes primarily concerned with understanding others. Often times, empathy is considered to be a broad term, and broken down into more specific concepts and types that include cognitive empathy, emotional empathy, somatic empathy, and spiritual empathy.

In psychology, theory of mind refers to the capacity to understand other people by ascribing mental states to them. A theory of mind includes the understanding that others' beliefs, desires, intentions, emotions, and thoughts may be different from one's own. Possessing a functional theory of mind is crucial for success in everyday human social interactions. People utilize a theory of mind when analyzing, judging, and inferring others' behaviors. The discovery and development of theory of mind primarily came from studies done with animals and infants. Factors including drug and alcohol consumption, language development, cognitive delays, age, and culture can affect a person's capacity to display theory of mind. Having a theory of mind is similar to but not identical with having the capacity for empathy or sympathy.

In psychology, schizotypy is a theoretical concept that posits a continuum of personality characteristics and experiences, ranging from normal dissociative, imaginative states to extreme states of mind related to psychosis, especially schizophrenia. The continuum of personality proposed in schizotypy is in contrast to a categorical view of psychosis, wherein psychosis is considered a particular state of mind, which the person either has or does not have.

Diagnoses of autism have become more frequent since the 1980s, which has led to various controversies about both the cause of autism and the nature of the diagnoses themselves. Whether autism has mainly a genetic or developmental cause, and the degree of coincidence between autism and intellectual disability, are all matters of current scientific controversy as well as inquiry. There is also more sociopolitical debate as to whether autism should be considered a disability on its own.

<span class="mw-page-title-main">Neurodiversity</span> Non-pathological explanation of variations in mental functions

The neurodiversity paradigm is a framework for understanding human brain function that recognizes the diversity within sensory processing, motor abilities, social comfort, cognition, and focus as neurobiological differences. This diversity falls on a spectrum of neurocognitive differences. The neurodiversity paradigm argues that diversity in neurocognition is part of humanity and that some neurodivergences generally classified as disorders, such as autism, are differences and disabilities that are not necessarily pathological. Neurotypical individuals are those who fall within the average range of functioning and thinking.

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Mind-blindness, mindblindness or mind blindness is a theory initially proposed in 1990 that claims that all autistic people have a lack or developmental delay of theory of mind (ToM), meaning they are unable, or less able, to attribute mental states to others. According to the theory, a lack of ToM is considered equivalent to a lack of both cognitive and affective empathy. In the context of the theory, mind-blindness implies being unable to predict behavior and attribute mental states including beliefs, desires, emotions, or intentions of other people. The mind-blindness theory asserts that children who delay in this development will often develop autism.

<span class="mw-page-title-main">Causes of autism</span> Proposed causes of autism

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The autism-spectrum quotient (AQ) is a questionnaire published in 2001 by Simon Baron-Cohen and his colleagues at the Autism Research Centre in Cambridge, UK. Consisting of fifty questions, it aims to investigate whether adults of average intelligence have symptoms of autism spectrum conditions. More recently, versions of the AQ for children and adolescents have also been published.

The empathising–systemising (E–S) theory is a theory on the psychological basis of autism and male–female neurological differences originally put forward by clinical psychologist Simon Baron-Cohen. It classifies individuals based on abilities in empathic thinking (E) and systematic thinking (S). It attempts to explain the social and communication symptoms in autism spectrum disorders as deficits and delays in empathy combined with intact or superior systemising.

Autism, or autism spectrum disorder (ASD), is a neurodevelopmental disorder characterized by repetitive, restricted, and inflexible patterns of behavior, interests, and activities; deficits in social communication and social interaction; and the presence of high or low sensory sensitivity. A formal diagnosis requires that symptoms cause significant impairment in multiple functional domains, in addition to being atypical or excessive for the individual's age and sociocultural context.

<span class="mw-page-title-main">Imprinted brain hypothesis</span> Conjecture on the causes of autism and psychosis

The imprinted brain hypothesis is an unsubstantiated hypothesis in evolutionary psychology regarding the causes of autism spectrum and schizophrenia spectrum disorders, first presented by Bernard Crespi and Christopher Badcock in 2008. It claims that certain autistic and schizotypal traits are opposites, and that this implies the etiology of the two conditions must be at odds.

Empathy quotient (EQ) is a psychological self-report measure of empathy developed by Simon Baron-Cohen and Sally Wheelwright at the Autism Research Centre at the University of Cambridge. EQ is based on a definition of empathy that includes cognition and affect.

Sex and gender differences in autism exist regarding prevalence, presentation, and diagnosis.

Caetextia is a term and concept first coined by psychologists Joe Griffin and Ivan Tyrrell to describe a chronic disorder that manifests as a context blindness in people on the autism spectrum. It was specifically used to designate the most dominant manifestation of autistic behaviour in higher-functioning individuals. Griffin and Tyrell also suggested that caetextia "is a more accurate and descriptive term for this inability to see how one variable influences another, particularly at the higher end of the spectrum, than the label of 'Asperger's syndrome'".

The mechanisms of autism are the molecular and cellular processes believed to cause or contribute to the symptoms of autism. Multiple processes are hypothesized to explain different autism spectrum features. These hypotheses include defects in synapse structure and function, reduced synaptic plasticity, disrupted neural circuit function, gut–brain axis dyshomeostasis, neuroinflammation, and altered brain structure or connectivity. Autism symptoms stem from maturation-related changes in brain systems. The mechanisms of autism are divided into two main areas: pathophysiology of brain structures and processes, and neuropsychological linkages between brain structures and behaviors, with multiple pathophysiologies linked to various autism behaviors.

<span class="mw-page-title-main">Autism and LGBTQ identities</span>

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<span class="mw-page-title-main">Double empathy problem</span> Psychological theory regarding individuals on the autism spectrum

The theory of the double empathy problem is a psychological and sociological theory first coined in 2012 by Damian Milton, an autistic autism researcher. This theory proposes that many of the difficulties autistic individuals face when socializing with non-autistic individuals are due, in part, to a lack of mutual understanding between the two groups, meaning that most autistic people struggle to understand and empathize with non-autistic people, whereas most non-autistic people also struggle to understand and empathize with autistic people. This lack of understanding may stem from bidirectional differences in dispositions, and experiences between autistic and non-autistic individuals, as opposed to always being an inherent deficiency.

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