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Spectrum: Autism Research News

Tag: brain size

July 2013

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

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

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

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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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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Perspective: Imaging autism

by  /  6 December 2012

Several studies in the past two years have claimed that brain scans can diagnose autism, but this assertion is deeply flawed, says Nicholas Lange.

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Genetics: 22q11.2 deletion symptoms cluster into two groups

by  /  4 December 2012

Children with a deletion in the 22q11.2 chromosomal region have one of two distinct sets of symptoms, and only one of those is associated with autism, according to a study published 28 August in Research in Developmental Disabilities.

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Birth weight predicts brain size later in life, study says

by  /  3 December 2012

Heavier newborns have larger brains later in life, and a larger cerebral cortex — the brain region responsible for high-level functions such as consciousness and language. The findings, published 19 November in the Proceedings of the National Academy of Sciences, are the first to assess birth weight’s connection to brain development.

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October 2012

Molecular mechanisms: Immune molecule boosts brain size

by  /  23 October 2012

Mice with elevated levels of the immune molecule interleukin-6 have abnormally large brains, according to a study published 23 August in the International Journal of Neuroscience.

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July 2012

Maternal antibodies may affect brain size in autism

by  /  12 July 2012

The action of certain maternal antibodies on the fetal brain may underlie the large brain size seen in some children with autism, according to preliminary findings from both monkey and human studies presented at a conference in Boston last week.

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