Tag: brain size

November 2011
News

Clinical research: Toddlers with autism larger than peers

by  /  23 November 2011

Toddlers with autism who have larger-than-normal heads are also taller and weigh more than controls, according to a study published in October in Archives of General Psychiatry.

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News

Rett, autism mouse brains mimic human disorders

by  /  17 November 2011

The brains of mice that model Rett syndrome are smaller than normal overall and have differences in specific regions similar to those seen in people with the disorder, according to unpublished research presented Wednesday at the 2011 Society for Neuroscience annual meeting in Washington, D.C.

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News

‘Outlier’ genes expressed differently in people with autism

by  /  13 November 2011

Individuals who have autism show distinct patterns of gene expression in neurological pathways compared with their unaffected siblings, according to unpublished work presented Saturday at the 2011 Society for Neuroscience annual meeting in Washington, D.C.

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News

Autism brains have too many neurons, study suggests

by  /  10 November 2011

Children with autism have an abnormally large number of neurons in the prefrontal cortex, a brain region important for abstract thinking, planning and social behaviors, according to a study published yesterday in the Journal of the American Medical Association.

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October 2011
News

Cognition and behavior: Autism brains similar in girls and boys

by  /  11 October 2011

Girls with autism have more brain matter than do either controls or girls with developmental disabilities. This defect is particularly pronounced in the left superior frontal gyrus, a region in the medial prefrontal cortex that is responsible for higher-order cognitive function.

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Opinion / Viewpoint

Dysmorphology as biomarker for the study of autism

by  /  11 October 2011

Individuals who have autism and dysmorphology comprise a distinct subgroup within the disorder, says geneticist Judith Miles. 

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September 2011
News

Researchers identify gene regulating amygdala volume

by  /  13 September 2011

A variant of the FGF14 gene may decrease the volume of the amygdala, a brain structure needed to interpret emotions in facial expressions, according to results presented on Sunday at the World Congress of Psychiatric Genetics in Washington, D.C.

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July 2011
News

Genetics: Neurexin 1 variant affects volume of healthy brains

by  /  29 July 2011

A variant of neurexin 1, a gene linked to both autism and schizophrenia, is associated with less brain matter than normal in healthy individuals, according to a study published 8 June in PLoS ONE.

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News

Cognition and behavior: Brain overgrowth in autism ends early

by  /  1 July 2011

The rapid brain growth seen in children with autism occurs early in life, before children reach 2 years of age, according to a study published in the May issue of Archives of General Psychiatry.

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June 2011
News

Molecular mechanisms: Autism linked to small hypothalamus

by  /  17 June 2011

Children with autism have less brain matter than normal in a region that synthesizes the social hormones oxytocin and vasopressin, according to a study published 29 April in Biological Psychiatry.

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