Synaptic plasticity

Recent articles

Illustration of synapse-like threads connecting in various ways.

Learning in living mice defies classic synaptic plasticity rule

Donald Hebb’s theory—memorably summarized as “cells that fire together, wire together”—does not explain the shifting hippocampal connections in mice learning to navigate a virtual environment, according to a new study.

By Sydney Wyatt
28 May 2025 | 6 min listen
Detailed image of neurons in the mouse visual cortex.

Inhibitory cells work in concert to orchestrate neuronal activity in mouse brain

A cubic millimeter of brain tissue, meticulously sectioned, stained and scrutinized over the past seven years, reveals in stunning detail the role of inhibitory interneurons in brain structure and function.

By Katie Moisse
9 April 2025 | 6 min listen
A mouse sits on a gloved hand.

Molecular changes after MECP2 loss may drive Rett syndrome traits

Knocking out the gene in adult mice triggered up- and down-regulated expression of myriad genes weeks before there were changes in neuronal function.

By Chloe Williams
20 March 2025 | 5 min read
Dendritic spine images.

Targeting NMDA receptor subunit reverses fragile X traits in mice

The subunit acts as a “volume control” on signaling that shapes the density of dendritic spines, the new work suggests.

By Angie Voyles Askham
6 March 2025 | 5 min read
Colorful illustration of a latticework of proteins.

Cracking the code of the extracellular matrix

Despite evidence for a role in plasticity and other crucial functions, many neuroscientists still view these proteins as “brain goop.” The field needs technical advances and a shift in scientific thinking to move beyond this outdated perspective.

By Anna Victoria Molofsky
17 January 2025 | 5 min read
Two mice fighting.

Synaptic changes shape winning mice into bullies

When a mouse repeatedly defeats its opponents, brain circuits that underlie aggressive behaviors develop more stable connections, helping to ensure continual triumph, a new study shows.

By Claudia López Lloreda
14 October 2024 | 6 min read
Illustration of an image of a landscape repeated over and over again, with some versions distorted and warped.

What makes memories last—dynamic ensembles or static synapses?

Teasing out how different subfields conceptualize central terms might help move this long-standing debate forward. I asked eight scientists to weigh in.

By Jason Shepherd
14 October 2024 | 7 min read
Illustration of a brain.

This paper changed my life: ‘Response of hippocampal synapses to natural stimulation patterns,’ by Dobrunz and Stevens

The work demonstrated how to effectively combine controlled in-vitro experiments and the messiness of natural brain patterns.

By Robert Froemke
17 September 2024 | 4 min read
A stack of papers with a red paper on top.

‘Star’ neuroscientist faked data in paper and grant applications, U.S. government finds

The faked data, which was part of research on the genetic mechanisms of synaptic plasticity, was used to obtain more than $1.4 million in federal funding.

By Calli McMurray
5 April 2024 | 3 min read

Neurons making memories shush their neighbors

When neurons strengthen their synapses, they “infect” surrounding cells with a virus-like protein to weaken those cells’ excitatory connections, according to a new preprint.

By Holly Barker
22 March 2024 | 5 min read

Explore more from The Transmitter

Xiao-Jing Wang outlines the future of theoretical neuroscience

Wang discusses why he decided the time was right for a new theoretical neuroscience textbook and how bifurcation is a key missing concept in neuroscience explanations.

By Paul Middlebrooks
2 July 2025 | 112 min listen
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

Attention not necessary for visual awareness, large study suggests

People can perceive some visual information even if they do not pay direct attention to it.

By Kristel Tjandra
1 July 2025 | 5 min read