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Spectrum: Autism Research News

Tag: amygdala

August 2021
Micrograph showing missing sodium ion channels in cerebral cortex of mice with two mutated copies of SCN2A gene.

Model mice hint at sodium channel gene’s contribution to autism

by  /  27 August 2021

Altered electrical activity in the neurons of mice with a mutated copy of SCN2A may explain the animals’ autism-like social behaviors.

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May 2021

Anxiety specific to autism linked to amygdala differences

by  /  3 May 2021

People who experience an autism-specific form of anxiety also tend to have an unusually small amygdala, a brain region associated with emotion processing and fear, according to a new unpublished study.

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April 2021
Brain scan showing communication from amygdala to hypothalamus about social reward.

Brain circuit makes social interactions rewarding, may be altered in autism

by  /  30 April 2021

Blocking connections between the amygdala and hypothalamus prevents mice from finding social interactions as rewarding as they would otherwise.

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February 2021
Oligodendrocyte gene grouping showing network of blue lines connecting the gene names on reddish bubbles.

Differing gene functions across species may pose problems for autism models

by  /  22 February 2021

Misaligned gene expression maps suggest that some autism-linked genes play distinct roles in mouse and human brains.

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Serotonin proteins

Sensor helps scientists spy on serotonin activity in mice in real time

by  /  5 February 2021

A glowing protein tracks serotonin levels and location in the brains of living mice and could yield clues to the neurotransmitter’s role in autism.

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December 2020
researcher facing off with the coronavirus.

Rewind: Spectrum’s best from 2020

23 December 2020

Our staff picks the stories, podcasts and special reports that stood out from the rest this past year.

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October 2020
four brain areas marked with flags: Cortex, amygdala, hippocampus, cerebellum

Brain structure changes in autism, explained

by  /  15 October 2020

Autistic people have distinct patterns of brain development, which sometimes result in differences in brain structure. Here’s what we know about those differences.

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July 2020
micrograph of a slice of mouse brain

Autism genes may play key role in development of amygdala

by  /  27 July 2020

Nearly all genes with moderate to strong ties to autism are expressed in the developing amygdala; a few show altered expression in the amygdalae of autistic people.

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An illustration of the brain shows the amydala highlighted in green among botanical forms that look like neurons.

Amygdala, the brain’s threat detector, has broad roles in autism

by  /  14 July 2020

The amygdala has long been a focus of autism research. But its exact role in the condition has been unclear.

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March 2020
Young girl crying into mother's shoulder

Enlarged amygdala linked to severe behavioral problems in autistic girls

by  /  5 March 2020

Autistic children who have behavioral problems tend to have an enlarged right amygdala, and in girls the size is associated with the severity of certain behaviors.

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