Tag: brain size

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 Researchers reported these and other unpublished findings at the 2013 Society for Neuroscience annual meeting in San Diego, painting a complex picture of the region’s role in autism.

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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.
 

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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.

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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.

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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.

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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?

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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.

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February 2013
News

Twin study suggests large head size runs in autism families

by  /  14 February 2013

Children with autism and their unaffected twins have heads that are significantly larger than average, according to a study published 16 January in the Journal of Autism and Developmental Disorders.

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December 2012
News

Clinical research: Larger brains in autism, fragile X

by  /  19 December 2012

Young boys with fragile X syndrome or autism have larger brains overall than controls do, but the two groups show enlargement of different parts of the brain, according to an imaging study published in September in the Journal of the American Academy of Child and Adolescent Psychiatry.

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News / Toolbox

Precocious piglets may model neurological disorders

by  /  12 December 2012

The brains of newborn pigs are similar in shape and mature at the same rate as those of human infants. That makes piglets a good model for studying neurological disorders, according to a study published in the November issue of The Journal of Nutrition.

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