Amygdala

Recent articles

Research image of astrocytes in the mouse brain.

Astrocytes in mouse amygdala encode emotional state

The glial cells’ activity reliably tracks with freezing, hesitancy and other behaviors reminiscent of anxiety.

By Holly Barker
24 March 2026 | 4 min read
Research image of astrocytic activation in mice.

Engrams in amygdala lean on astrocytes to solidify memories

Disrupting the astrocyte-neuronal dynamic in mice destabilizes their memory of fear conditioning.

By Lauren Schneider
15 October 2025 | 5 min read
Overlapping speech bubbles.

Memory study sparks debate over statistical methods

Critics of a 2024 Nature paper suggest the authors failed to address the risk of false-positive findings. The authors argue more rigorous methods can result in missed leads.

By Katie Moisse
2 July 2025 | 5 min read
Research image of grids of mouse and human brain scans.

Too much or too little brain synchrony may underlie autism subtypes

Functional connectivity differences in autism mouse models point to two subtypes that correspond to patterns seen in some people with the condition.

By Calli McMurray
17 April 2025 | 6 min read
Research image of mouse brain slices.

Newfound gene network controls long-range connections between emotional, cognitive brain areas

The finding could help unravel gene regulatory networks and explain how genetic and environmental factors interact in neurodevelopmental conditions.

By Charles Q. Choi
14 November 2024 | 4 min read
Three rhesus macaque monkeys.

Monkeys’ amygdala cells adapt to social status

The cells’ activity reflects social hierarchies and may enable flexible behavior.

By Angie Voyles Askham
6 November 2024 | 4 min read
Illustration of three columns of text with a winding path of blank white space where an eraser has been used.

This paper changed my life: ‘Selective erasure of a fear memory’ from the Josselyn Lab

This groundbreaking 2009 paper set a foundation for the types of memories researchers could manipulate and inspired my own approach to science.

By Steve Ramirez
6 August 2024 | 5 min read
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 | 12 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

Explore more from The Transmitter

Map of socioeconomic opportunity in the United States next to visualizations of functional connectivity and structure in sensory and motor cortices.

IQ’s link to brain structure, function in children may be a mirage

A child’s socioeconomic status, screen time and amount of sleep all show stronger associations with measures of brain structure and function, according to an imaging study of nearly 12,000 9- to 10-year-olds.

By Natalia Mesa
11 June 2026 | 5 min read
Photo collage of Tempest McDonald.

When autistic kids grow up, Chapter 2: “You need to go to college”

With just a high school equivalency degree and struggling as a single mother, Tempest McDonald is forced to shift her priorities.

By Brady Huggett
11 June 2026 | 28 min listen
Research image of X-linked RNAs in male mice.

Noncoding RNA sways core autism traits in mice

Small deletions in an X-linked RNA alter social and repetitive behaviors in male mice without broadly affecting learning or memory.

By Giorgia Guglielmi
11 June 2026 | 4 min read