Publications by authors named "T Bourgeron"

Atypical face processing is commonly reported in autism. Its neural correlates have been explored extensively across single neuroimaging modalities within key regions of the face processing network, such as the fusiform gyrus (FFG). Nonetheless, it is poorly understood how variation in brain anatomy and function jointly impacts face processing and social functioning.

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Article Synopsis
  • Autism presents unique neurodevelopmental differences that make it challenging to understand brain anatomy at a group level.
  • The study analyzed neuroanatomical variations in social communication, repetitive behaviors, and sensory processing among a diverse group of autistic and non-autistic participants.
  • Results indicated that specific brain features are linked to autism-related behaviors and are connected to genes involved in brain development and synaptic function, highlighting the biological basis of individual differences within neurodiversity.
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Introduction: Advancing research and support for neurologically diverse populations requires novel data harmonisation methods that are capable of aligning with contemporary approaches to understanding health and disability.

Objectives: We present the International Classification of Functioning, Disability and Health (ICF) as a conceptual framework to support harmonisation of mental health data and present a proof of principle within the Risk and Resilience in Developmental Diversity and Mental Health (R2D2-MH) consortium.

Method: 138 measures from various mental health datasets were linked to the ICF following the WHO's established linking rules.

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Article Synopsis
  • Early-onset restrictive eating disorders (rEO-ED), including early-onset anorexia nervosa (EO-AN) and avoidant restrictive food intake disorders (ARFID), have unknown impacts on brain development.
  • A study comparing brain features through MRI in children under 13 with EO-AN, ARFID, and typically developing peers revealed differing brain structures despite similar BMI, indicating unique brain mechanisms for each disorder.
  • Findings suggest EO-AN is linked to thinner cortex structures, while ARFID patients showed reduced surface area and subcortical volume, highlighting the need for further research on the relationship between low BMI and neurodevelopmental impacts in eating disorders.
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Autism represents a large spectrum of diverse individuals with varying underlying genetic architectures and needs. For some individuals, a single de novo or ultrarare genetic variant has a large effect on the intensity of specific dimensions of the phenotype, while, for others, a combination of thousands of variants commonly found in the general population are involved. The variants with large impact are found in up to 30% of autistic individuals presenting with intellectual disability, significant speech delay, motor delay, and/or seizures.

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