Amygdala

Computer-generated illustration of disgusting green food.

‘It must be something I ate’ is hard-wired into the brain

Feeling sick reactivates “novel flavor” neurons, according to a new study in mice, and points to a dedicated circuit for learning to avoid unsafe food.

By Angie Voyles Askham
29 March 2024 | 6 min read
Portrait of scientist Sheena Josselyn behind a window, with a reflection over her face.

Sheena Josselyn and memories lost, found and created

Her hunt for the engram opened a new avenue in memory research.

By Alla Katsnelson
30 January 2024 | 13 min read
A shop rack of lab coats both white and in many distinct and colorful styles.

On fashion in neuroscience: In defense of freezing behavior

Neuroscience experiments are moving toward the analysis of more complex behaviors, enabled by increasingly sophisticated tools. But we shouldn’t abandon simpler paradigms.

By Sheena Josselyn
19 December 2023 | 6 min read
Three researchers, one wearing movement-tracking devices, walk around a university campus.

‘Into the wild’: Moving studies of memory and learning out of the lab

People with electrodes embedded deep in their brain are collaborating with a growing posse of plucky researchers to uncover the mysteries of real-world recall.

By Katie Moisse
13 November 2023 | 9 min listen
A patient receives transcranial magnetic stimulation.

Magnetic stimulation for autism: Q&A with Xujun Duan

A new individualized approach to transcranial magnetic stimulation may one day be an effective treatment for social and communication difficulties, if the results from Duan’s small preliminary trial pan out.

By Angie Voyles Askham
11 September 2023 | 6 min read
A brain scan displays images of the amygdala with different sections highlighted in blue, red, orange and other colors.
Spectrum Microphone

Anxiety drives amygdala differences in autistic youth

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.

By Peter Hess
27 July 2022 | 5 min read
A cross-section of the human brain and limbic system
Spectrum Microphone

Amygdala-linked brain areas grow differently in autism

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

By Charles Q. Choi
13 July 2022 | 5 min read
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Autism-linked mutation disrupts brain circuit to change social behavior

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

By Charles Q. Choi
24 June 2022 | 4 min read
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Amygdala development diverges in autism-specific anxiety

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.

By Laura Dattaro
24 February 2022 | 5 min read
Spectrum Microphone

Fragile X theory falters on amygdala test

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.

By Angie Voyles Askham
10 November 2021 | 5 min read

Explore more from The Transmitter

Research image of neurons in the fly’s ventral nerve cord.

New connectomes fly beyond the brain

Researchers are mapping the neurons in Drosophila’s ventral nerve cord, where the central nervous system meets the rest of the body.

By Laura Dattaro
26 July 2024 | 7 min read
Illustration of researchers talking to laypeople amidst strands of DNA.

Building an autism research registry: Q&A with Tony Charman

A purpose-built database of participants who have shared genomic and behavioral data could give clinical trials a boost, Charman says.

By Cathleen O’Grady
25 July 2024 | 8 min read

Cerebellar circuit may convert expected pain relief into real thing

The newly identified circuit taps into the brain’s opioid system to provide a top-down form of pain relief.

By Angie Voyles Askham
24 July 2024 | 6 min read