Engrams

Recent articles

Illustration of magnifying glass over a polaroid of a child's birthday.

Infant memories: Lost but not gone?

Infantile amnesia is not simply a story about forgetting the past. It is an opportunity to understand how memory itself is built.

By Paul Frankland, Sheena Josselyn, Nick Turk-Browne
14 September 2026 | 6 min read
Astroengram pattern emerging from the center of an image of a classical neuronal pattern.

Are parts of the memory trace found in the ‘astroengram?’

Neurons have long taken top billing in memory, but researchers are making the case for astrocytes.

By David Brzostowicki
10 August 2026 | 9 min read
California sea hare.

New study questions role of persistent gene activity in memory maintenance

An experiment in sea slugs suggests transcriptional changes might fade after 24 hours.

By Siddhant Pusdekar
28 April 2026 | 4 min read
Research image of the mouse dentate gyrus.

Microglia implicated in infantile amnesia

The glial cells could explain the link between maternal immune activation and autism-like behaviors in mice.

By Lauren Schneider
12 February 2026 | 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 a portion of mouse brain.

Stress warps fear memories in multiple ways

Expanding the bounds of a fear memory or linking it to a neutral memory can shape a mouse’s fear response, two new studies show.

By Claudia López Lloreda
15 November 2024 | 5 min read

Explore more from The Transmitter

Hand holding a vial of microplastics.

Measuring plastic in the brain: Improving, but incomplete

Meanwhile, researchers are publishing papers without “sufficient quality control,” says analytical chemist Dušan Materić.

By Amber Dance
18 September 2026 | 9 min read
Calendar with deadline.

Incredible shrinking grant deadlines at the BRAIN Initiative

“A month is crazy,” says one former recipient, referring to a new funding opportunity’s timeline.

By Brendan Borrell
17 September 2026 | 4 min read

Sylvia Fogel, reshaping U.S. autism research strategy

In a wide-ranging and provocative interview, the chair of the federal Interagency Autism Coordinating Committee shares her views on vaccines, regression, neuroimmune conditions and more.

By Brady Huggett
17 September 2026 | 2 min read