Rats

Recent articles

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
A transplanted human organoid labeled with a fluorescent protein in a section of the rat brain.

Human cortical organoids forge functional circuits in rat brains

The transplanted cells integrate into living animals’ neural circuitry and influence behavior.

By Peter Hess
12 October 2022 | 4 min read

New software flags autism rat model’s telltale squeaks

By breaking rodent vocalizations into parts, TrackUSF distinguishes rats with mutations in the SHANK3 gene from their wildtype counterparts.

By Peter Hess
29 July 2022 | 3 min read

Explore more from The Transmitter

Digitally distorted building blocks.

The BabyLM Challenge: In search of more efficient learning algorithms, researchers look to infants

A competition that trains language models on relatively small datasets of words, closer in size to what a child hears up to age 13, seeks solutions to some of the major challenges of today’s large language models.

By Alona Fyshe
19 May 2025 | 7 min read
Research image showing resting-state functional connectivity in the human red nucleus.

‘Ancient’ brainstem structure evolved beyond basic motor control

The human red nucleus may also help coordinate action, reward and motivated behavior, a new study suggests.

By Sydney Wyatt
16 May 2025 | 5 min read
Seattle skyline.

Reporter’s notebook: Highlights from INSAR 2025

The annual meeting brought autism researchers, advocates and clinicians to Seattle to discuss the latest research, including attempts to define subgroups, a potential new CHD8 macaque model and life expectancy gaps.

By Daisy Yuhas
15 May 2025 | 5 min read