Modeling

Recent articles

Research image of mouse brain slices.

Some dopamine neurons signal default behaviors to reinforce habits

Movement-sensing neurons that target the striatum influence a mouse’s choice of action by favoring routine.

By Holly Barker
11 June 2025 | 5 min listen
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

Escaping groupthink: What animals’ behavioral quirks reveal about the brain

Neuroscientists have long ignored the variability in animals’ behavioral responses in favor of studying differences across groups. But work on the brain differences that underlie that variability is beginning to pay off.

By Angie Voyles Askham
23 May 2025 | 10 min listen
Tic-tac-toe board with pills representing x’s and o’s.

Basic pain research ‘is not working’: Q&A with Steven Prescott and Stéphanie Ratté

Prescott and Ratté critique the clinical relevance of preclinical studies in the field and highlight areas for improvement.

By Sydney Wyatt
18 April 2025 | 7 min read

Gabriele Scheler reflects on the interplay between language, thought and AI

She discusses how verbal thought shapes cognition, why inner speech is foundational to human intelligence and what current artificial-intelligence models get wrong about language.

By Paul Middlebrooks
26 March 2025 | 96 min listen
Illustrated portrait of Kanaka Rajan.

How neuroscience comics add KA-POW! to the field: Q&A with Kanaka Rajan

The artistic approach can help explain complex ideas frame by frame without diluting the science, Rajan says.

By Olivia Gieger
9 October 2024 | 7 min read
Illustration of hands sewing red and white threads in a DNA-like pattern into a blue-gray fabric.

Untangling biological threads from autism’s phenotypic patchwork reveals four core subtypes

People belonging to the same subtype share genetic variants, behaviors and often co-occurring diagnoses, according to a new preprint.

By Holly Barker
3 October 2024 | 5 min read
Illustration of cranes attempting to assemble a structure out of very small black squares.

Reconstructing dopamine’s link to reward

The field is grappling with whether to modify the long-standing theory of reward prediction error—or abandon it entirely.

By Angie Voyles Askham
13 September 2024 | 20 min listen
Illustration of cranes attempting to assemble a structure out of very small black squares.

Dopamine and the need for alternative theories

Some experimental findings are inconsistent with the dominant model of reward prediction error, highlighting the need for alternative testable and falsifiable models for dopamine function.

By Vijay Mohan K. Namboodiri
13 September 2024 | 7 min read
Illustration of several structures constructed out of small black squares, with scaffolding on some of the structures.

Does a new theory of dopamine replace the classic model?

My answer would be no, but the model poses challenges that will sharpen our understanding of dopamine and learning.

By Naoshige Uchida
13 September 2024 | 8 min read

Explore more from The Transmitter

Researcher holds a mouse perched on a glass cylinder.

NIH proposal sows concerns over future of animal research, unnecessary costs

The new NIH policy calls for greater incorporation of new approach methodologies in all future Notices of Funding Opportunities related to animal model systems.

By Claudia López Lloreda
15 July 2025 | 5 min read

Altered transcription in dup15q syndrome; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 14 July.

By Jill Adams
15 July 2025 | 2 min read
A group of researchers reading while institutions crumble in the background, and giant mice appear on the horizon.

Fear and loathing on study section: Reviewing grant proposals while the system is burning

As grants are canceled, delayed and subject to general uncertainty, participating in study sections can feel futile. But it’s more important than ever.

By John Tuthill
14 July 2025 | 8 min read