Rats

Recent articles

Hitting city streets to record rat behaviors: Q&A with Emily Mackevicius, Ralph Peterson

Capturing the rodents’ vocalizations and movements in the wild offers an opportunity to study naturalistic behaviors in a complex urban environment, Mackevicius and Peterson say.

By Marta Hill
19 August 2025 | 7 min listen
Peggy Mason at her desk.

Up and out with Peggy Mason

Mason helped define the rodent prosocial behavior field, but now she’s changing course.

By Sydney Wyatt
15 August 2025 | 13 min read
Illustration of a monkey with map-like navigation pinpoints superimposed on its head.

Monkeys build mental maps to navigate new tasks

Cognitive maps, also known as world models, allow animals to imagine novel scenarios based on past experiences.

By Katie Moisse
30 July 2024 | 7 min read
Illustrated portrait of Loren Frank.

The value of math and spatial learning with Loren Frank

The Howard Hughes Medical Institute investigator discusses what drew him to study the brain and his current work at the University of California, San Francisco.

By Brady Huggett
1 April 2024 | 62 min listen
Close up of blood vessels shows probe sticking to vessel wall.

Brain-surgery-free probes can record single-neuron activity

The new devices, which monitor neural activity from within blood vessels, show long-term stability in rats and could one day deliver electrical stimulation.

By Charles Q. Choi
15 August 2023 | 5 min read

‘wildDISCO’ cocktail yields whole-body maps of mouse neurons and more

A new technique used to create see-through rodents can help scientists analyze how the nervous system interacts with other body systems.

By Charles Q. Choi
20 July 2023 | 4 min read
Research image of rodent brain scans.

CRISPR tool rids rodents of oxytocin receptors

The approach provides an “off-the-shelf” way for researchers to compare oxytocin function across species, the team says.

By Angie Voyles Askham
14 June 2023 | 3 min read
An illustration of a scientist on a stage with a giant pill bottle that has been chopped in half.

Company on brink takes psilocybin to trial for fragile X syndrome

The phase 2A trial has its detractors despite positive animal results and is being sponsored by a company that is struggling financially.

By Peter Hess
25 April 2023 | 9 min listen
Mother and child rhesus macaque monkeys.

Serotonin initiates earliest social bonds

Mice and rats, for example, gravitate toward their mother’s bedding over bedding that is clean or smells of a different dam.

By Angie Voyles Askham
2 March 2023 | 5 min read
Illustration of a pregnant woman seated next to a large diagram of the brain featuring chromosomes, bacteria and other microbes.

The link between maternal infection and autism, explained

Having an infection during pregnancy is tied to a small increase in the chances of having an autistic child, but the connection may not be causal.

By Charles Q. Choi
13 December 2022 | 7 min read

Explore more from The Transmitter

Illustration of human figures holding brightly colored connected dots.

This paper changed my life: Dan Goodman on a paper that reignited the field of spiking neural networks

Friedemann Zenke’s 2019 paper, and its related coding tutorial SpyTorch, made it possible to apply modern machine learning to spiking neural networks. The innovation reinvigorated the field.

By Dan Goodman
17 September 2025 | 5 min read
Research image of different types of microglia in mice.

Autism and anxiety insights; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 15 September.

By Jill Adams
16 September 2025 | 2 min read

First nerve-net connectome shows how evolutionarily ancient nervous system coordinates movement

The map of a comb jelly’s aboral nerve net, which helps the animal orient and position itself within the water column, reveals a unique system for sensing the world and coordinating movement.

By Siddhant Pusdekar
16 September 2025 | 0 min watch

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