Tag: corpus callosum

June 2015
News

Thick bridge of nerves may signal autism in infancy

by  /  4 June 2015

The bundle of nerves that connects the brain’s two hemispheres is abnormally thick in infants who are later diagnosed with autism. The broader the bundle, called the corpus callosum, the more severe a child’s symptoms.

2 Comments
May 2015
Opinion

Sex differences take center stage in autism special issue

by  /  29 May 2015

One of the most consistent findings in autism, and perhaps the most perplexing, is that it affects about four boys for every girl. This gender bias has become a hot topic in autism research — so much so that Molecular Autism devoted its entire May issue to it.

8 Comments
News

Brain structure abnormalities predict repetitive behaviors

by  /  19 May 2015

Among babies who go on to receive a diagnosis of autism at age 2, alterations in brain structures forecast the severity of repetitive behaviors. The preliminary results were presented Saturday at the 2015 International Meeting for Autism Research in Salt Lake City, Utah.  
 

0 Comments
April 2015
News

Corpus callosum ages abnormally in autism

by  /  10 April 2015

The thick bundle of nerve fibers that links the left and right hemispheres of the brain develops differently in children with autism, a nine-year study has found.

4 Comments
February 2015
News

Gene networks offer entry point to unraveling autism

by  /  26 February 2015

By mapping the connections between autism genes, researchers are finding clues to the disorder’s origins. The key, they say, is to begin without bias.

8 Comments
December 2014
News

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.

3 Comments
November 2014
News

Mystery gene uncovered in autism studies may steer neurons

by  /  26 November 2014

1 Comment
News

Strep infection in pregnant rats causes autism features in pups

by  /  18 November 2014

Infection with group B streptococcus bacteria in pregnant rats triggers brain abnormalities and autism-like behaviors in their pups — especially in males. Researchers presented the unpublished results today at the 2014 Society for Neuroscience annual meeting in Washington, D.C.

6 Comments
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

Analysis of mouse brains maps subgroups of autism

by  /  13 October 2014

A brain imaging study of 26 mouse models of autism reveals a broad range of structural abnormalities. The models cluster into groups with similar features, reports a study published 9 September in Molecular Psychiatry.

0 Comments