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Spectrum: Autism Research News

Tag: amygdala

July 2022
A brain scan displays images of the amygdala with different sections highlighted in blue, red, orange and other colors.

Anxiety drives amygdala differences in autistic youth

by  /  27 July 2022

Regions of the brain’s fear center expand in autistic children and teenagers with anxiety, but not in their autistic or non-autistic peers without anxiety.

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A cross-section of the human brain and limbic system

Amygdala-linked brain areas grow differently in autism

by  /  13 July 2022

The growth differences vary between autistic boys and girls and are most apparent among children with prominent social difficulties.

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June 2022
A computer-rendered analysis of neurons

Autism-linked mutation disrupts brain circuit to change social behavior

by  /  24 June 2022

Therapies that target the circuit could boost social activity, new findings suggest.

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February 2022

Amygdala development diverges in autism-specific anxiety

by  /  24 February 2022

The brain region, which is involved in fear and emotion processing, develops differently in autistic children with anxiety than in those without anxiety or in non-autistic children; its development also depends on the type of anxiety a child experiences.

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November 2021

Fragile X theory falters on amygdala test

by  /  10 November 2021

Activating certain receptors in the amygdala — a treatment that runs counter to a leading theory of what causes the condition — can reverse some traits in rats.

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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to have an unusually small amygdala, a brain region associated with emotion processing and fear, according to a new unpublished study.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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