Tag: brain size

October 2014
News

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.

5 Comments
News

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.

3 Comments
News

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.

1 Comment
November 2013
News

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 Researchers reported these and other unpublished findings at the 2013 Society for Neuroscience annual meeting in San Diego, painting a complex picture of the region’s role in autism.

0 Comments
News

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.
 

0 Comments
August 2013
News

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.

1 Comment
July 2013
News

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.

3 Comments
News

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.

1 Comment
Opinion

Is it time to rethink head size?

by  /  1 July 2013

A new analysis challenges the long-reported correlation between autism and abnormally large head circumference, begging the question: Should head size matter?

0 Comments
June 2013
News

Study questions large head size in autism

by  /  20 June 2013

Two new studies raise questions about one of the most frequently reported biological signatures of autism: a larger-than-normal head.

15 Comments