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Spectrum: Autism Research News

Tag: brain size

December 2014

Brains of people with autism show altered growth with age

by  /  11 December 2014

Several brain regions in people with autism become enlarged earlier than usual during childhood and shrink too soon during adulthood, finds an eight-year imaging study.

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November 2014

Genetics first: A fresh take on autism’s diversity

by  /  24 November 2014

Each child with autism is different from the next. One approach rapidly gaining momentum makes sense of this diversity by grouping children together based on their genetics, then looking for patterns in their symptoms. The long-term aim: personalized treatments for each subtype of autism.

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October 2014

Scientists catalog effects of PTEN mutations in autism

by  /  27 October 2014

People with autism who have mutations in a gene called PTEN have a distinct profile of cognitive impairments and structural abnormalities in the brain. The profile, published 7 October in Molecular Psychiatry, points to a subtype of autism with these features.

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Studies question link between head circumference, autism

by  /  16 October 2014

Having an enlarged head in early childhood is not a reliable marker of autism, according to two new studies that tracked changes in head and body size in children over time.

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New mouse model mimics brain abnormalities in autism

by  /  6 October 2014

Mice with mutations in the autism-linked gene WDFY3 have enlarged brains reminiscent of those seen in some children with autism, according to a study published 8 September in Nature Communications.

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November 2013

Close look at autism-linked region reveals complex biology

by  /  27 November 2013

Deletion and duplication of the 16p11.2 chromosomal region have opposite effects on brain size, but produce similar alterations in the brain’s processing of sound. Researchers reported these and other unpublished findings at the 2013 Society for Neuroscience annual meeting in San Diego, painting a complex picture of the region’s role in autism.

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Study traces link between social behavior, brain overgrowth

by  /  11 November 2013

Social difficulties and early overgrowth of the brain are trademarks of autism, yet a direct connection between the two has been elusive. One group of researchers may have found a link between the two symptoms and a way to treat both at once, they reported Sunday at the 2013 Society for Neuroscience annual meeting in San Diego.
 

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August 2013

In autism, head and body size varies with gender

by  /  29 August 2013

Girls with autism tend to have smaller heads and bodies than their typically developing peers, whereas boys with the disorder tend to have average-sized heads and slightly larger bodies, report two studies published in July.

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July 2013

Researchers flag targets of autism-linked antibodies

by  /  25 July 2013

Two studies published 9 July bolster the hypothesis that immune molecules in a pregnant woman’s bloodstream may sometimes cause autism in her child.

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Excess brain fluid in infants may be early sign of autism

by  /  18 July 2013

Infants who go on to develop autism have excess fluid between the top of the brain and the skull that persists from about 6 months to 2 years of age, according to a study published 9 July in Brain.

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