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Tag: neurotransmitters

August 2014
News / Toolbox

Deep-brain neurons’ glow reveals elements of social circuits

by  /  13 August 2014

Light-transmitting cables implanted deep in mouse brains reveal connections between brain regions that control social interactions, according to a study published 19 June in Cell.

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July 2014
News / Toolbox

Suite of methods yields complex model of neuronal junctions

by  /  2 July 2014

Researchers debuted a three-dimensional model of an average synapse, the point of connection between neurons, in the 30 May issue of Science.

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April 2014
Opinion / Viewpoint

The case for using ‘prebiotics’

by ,  /  1 April 2014

Prebiotics — nutrients that promote the growth of some beneficial gut bacteria — can influence brain chemistry and behavior. New findings suggest prebiotics as treatments for people with neurological disorders, say Sarkis Mazmanian and Gil Sharon.

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February 2014
News

Molecular mechanisms: Neuronal branches help hone signals

by  /  7 February 2014

Electrical signals generated by dendrites, the branches of neurons that receive information from neighboring cells, may help neurons tune their responses to stimuli, according to a study published 7 November in Nature.

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November 2013
News

Mouse models reveal Rett gene’s myriad effects

by  /  13 November 2013

MeCP2, the gene associated with Rett syndrome, has widely variable effects on mouse brains depending on the mutation it carries, according to unpublished results presented Tuesday at the 2013 Society for Neuroscience annual meeting in San Diego.

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October 2013
News

Genetics: Autism candidate functions at neuronal junctions

by  /  29 October 2013

A new candidate gene for autism, called synapsin 2, regulates chemical messenger release across the connections between neurons, reports a study published 4 September in Human Molecular Genetics.

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September 2013
News

Duplication of chromosome 15 region mirrors autism

by  /  23 September 2013

People with autism and those with duplications of the 15q11-13 chromosomal region share a distinctive pattern of gene expression in the brain, according to unpublished research presented Friday at the Dup15q Alliance Scientific Meeting in Sacramento, California.

3 Comments
August 2013
Opinion

Ritalin reaction

by  /  23 August 2013

Some children with autism and hyperactivity have a genetic intolerance to methylphenidate (Ritalin), the drug commonly prescribed for attention deficit hyperactivity disorder, reports a new study published 16 July in Pharmacogenomics.

8 Comments
July 2013
News

Imaging shows loss of brain chemical in autism

by  /  1 July 2013

Using a little-known brain-imaging technique, a new study shows that children with autism have low levels of gamma-aminobutyric acid (GABA), a chemical that keeps brain signals in check.

15 Comments
June 2013
Opinion

Medication nation

by  /  28 June 2013

U.K. doctors prescribe fewer medications for autism than doctors in the U.S., perhaps due to tighter drug laws and a more conservative medical culture, suggests a new study, published 17 May in Psychopharmacology.

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