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Tag: hyperactivity

December 2011
News

Molecular mechanisms: Protein linked to autism-like behavior

by  /  9 December 2011

HMGN1, a protein that regulates gene expression, leads to social deficits and hyperactivity when expressed at elevated levels in mice, according to a study published 9 December in the Journal of Biological Chemistry. This effect may result from HMGN1 dampening MeCP2 expression, the study suggests.

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November 2011
News

Researchers debut SHANK2 mouse, SHANK3 rat

by  /  14 November 2011

Mice lacking the autism risk gene SHANK2 show social deficits and are extremely hyperactive, according to unpublished research presented Saturday at the 2011 Society for Neuroscience annual meeting in Washington, D.C.

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News

Genetic studies probe sleep hormone’s role in autism

by  /  13 November 2011

A subset of people with autism have genetic and biochemical abnormalities in a sleep-related enzyme, according to research presented Friday at a satellite conference of the Society for Neuroscience annual meeting in Washington, D.C.

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August 2011
News

Genetics: Variants linked to autism-related behavior

by  /  10 August 2011

Genetic variants in two autism-associated genes have been linked to repetitive behavior and hyperactivity, two common symptoms of the disorder, according to two studies published in the past few months.

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News

Cognition and behavior: Babies with fragile X show prolonged gaze

by  /  2 August 2011

Infants with fragile X syndrome spend more time looking at a toy before switching their attention elsewhere than do healthy controls, according to a study published 1 July in the Journal of Autism and Developmental Disorders.

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July 2011
Opinion

Powerful perspective

by  /  29 July 2011

At a workshop where some of the top scientists in autism research assembled to discuss biomarkers, a 7-year-old girl with the disorder was the real expert.

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June 2011
News

Imperfect mouse may illuminate autism syndrome

by  /  30 June 2011

A new mouse model of 15q duplication syndrome, a genetic disorder associated with autism, falls short of recapitulating the symptoms of the syndrome. But it nonetheless points to a cluster of well-known risk genes as the most likely culprits.

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Opinion

The case against caution

by  /  17 June 2011

A new opinion piece argues that the risks of early screening for autism outweigh the benefits. But the article does a poor job of articulating what these risks might be, instead focusing only on the fact that there are few good options available to children after their diagnosis.

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May 2011
News

Clinical research: Studies add to confusion over gut-autism link

by  /  11 May 2011

People who have severe gastrointestinal problems during childhood are no more likely to be on the autism spectrum than are healthy controls, a study reported 21 March in Developmental Medicine and Child Neurology.

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April 2011
News

Analysis finds weak evidence for most autism treatments

by  /  25 April 2011

Only a small fraction of autism therapies are supported by robust scientific evidence, according to three reviews published in the May issue of Pediatrics.

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