Tag: macrocephaly

September 2011
News

Chromosome 16 duplication raises risk of extreme thinness

by  /  1 September 2011

Individuals with a duplication of a chromosomal region associated with autism and intellectual disability are at higher risk for low birth weight, restricted eating leading to extreme thinness, and smaller-than-average head size.

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July 2011
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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May 2011
News

Brain overgrowth may drive early symptoms of autism

by  /  16 May 2011

Long bundles of neurons that connect key regions in the brain develop abnormally in the first year of life in children with autism, according to new findings presented Friday at the International Meeting for Autism Research in San Diego.

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April 2011
Opinion

Not too late

by  /  22 April 2011

Diagnosing autism in children is difficult enough, but detecting the disorder in adults is even more complicated.

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March 2011
Opinion

Whiz kids

by  /  29 March 2011

For many years, autism was considered synonymous with intellectual disability. A new study shows that perception is inaccurate.

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February 2011
News

Molecular mechanisms: Men with fragile X have enlarged brains

by  /  9 February 2011

Men with fragile X syndrome have larger brains overall than controls do, but less matter in regions involved in language and social interaction.

1 Comment
News

Brain expands too fast, shrinks too soon in autism

by  /  7 February 2011

The brains of people with autism show three distinct periods of abnormal development — overgrowth in infancy, prematurely arrested growth in childhood, and shrinking between adolescence and middle age — according to a study in Brain Research.

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January 2011
News

Some siblings of children with autism only share traits

by  /  10 January 2011

The goal of studying siblings of children with autism is to identify an early diagnostic marker for the disorder. What researchers are finding instead are distinct traits shared by family members who remain healthy.

1 Comment
December 2010
News

Scientists create mouse models of chromosome 16 defects

by  /  13 December 2010

Two independent groups have created mice that have deletions or duplications in a large section of chromosome 16. Each team has produced an animal with a different set of features, some of which — such as large head size and repetitive behaviors — are reminiscent of people with autism.

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