Tag: anxiety

May 2010
News

Mouse models reveal workings of neuroligin-1

by  /  4 May 2010

Researchers are tinkering with mouse models to investigate the function of a protein that helps wire neurons together and that has repeatedly been linked to autism. Three such reports of the protein, neuroligin-1, have appeared this year.

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April 2010
News

Scientists finger neurexin 1 defects in autism

by  /  20 April 2010

Several studies in the past year in people, mice and honeybees have tied autism to a protein that helps neurons communicate. Problems with the protein, neurexin 1, are associated with a wide range of autistic behaviors, such as impaired social interactions, anxiety and problems with learning and memory.

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March 2010
News

Studies challenge link between premature birth and autism

by  /  8 March 2010

The proposed connection between premature birth and autism may be more complicated than it seems, according to a new report. Early birth may not cause classically defined autism but, rather, may predispose children to autism-like symptoms that are part of a larger syndrome, the researchers say.

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News

Postmortem brains point to impaired inhibition in autism

by  /  4 March 2010

Researchers have found a higher density of several types of interneurons — nerve cells that connect sensory and motor neurons in the brain— in postmortem brain tissue from individuals with autism, compared with healthy controls. The findings appear in the February issue of Acta Neurologica Scandinavica.

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February 2010
News

Variants in trust hormone receptor up the risk for autism

by  /  1 February 2010

Genetic variations that tweak the brain’s release of oxytocin — a hormone involved in social bonding and establishing trust — may increase the risk of developing autism or traits of the disorder, according to three new studies published in the past few months.

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November 2009
News

Point mutation in neuroligin found in brothers with autism

by  /  6 November 2009

A new mutation in the neuroligin-4 (NLGN4) gene, one of the few genes convincingly tied to autism, has been found in two brothers with autism, further implicating the gene in the disorder, scientists reported in the Journal of Neuroscience.

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Opinion

The entire spectrum

by  /  6 November 2009

A newer version of the psychiatric manual may expand the definition of autism, folding in Asperger syndrome and pervasive developmental disorder not otherwise specified.

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March 2008
News

Research clarifies serotonin’s link to autism

by  /  13 March 2008

Serotonin is most commonly talked about in association with depression and anxiety. But for nearly 50 years, hyperserotonemia ― an elevated level of blood serotonin ― has been noted in roughly a third of autism cases.

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February 2008
News

Mouse models for autism debut

by  /  19 February 2008

Two research groups have achieved an elusive goal: producing mouse models that show distinct social and behavioral abnormalities reminiscent of autism.

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January 2008
News

Fragile X symptoms reversed in mice

by  /  3 January 2008

Fragile X syndrome is a rare and devastating condition, and a risk factor for autism. New research suggesting the condition is reversible in mice has some wondering whether treatments for the syndrome ― and for some forms of autism ― could be on the horizon.

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