Animal models

Recent articles

Illustration of people walking over colored circles on the ground.

The spectrum goes multidimensional in search of autism subtypes

Grouping people with autism based on shared features, genetics and co-occurring conditions may improve clinical trial outcomes, researchers say.

By Katie Moisse
14 August 2025 | 9 min listen
Illustration of a musical staff with notes represented by neurons.

This paper changed my life: Abigail Person on birdsong, feed-forward circuits and convergent computations

By isolating specific neuron types involved in zebra finch birdsong, this 2002 Nature paper from Michael Fee and colleagues revealed elegant neural mechanisms controlling the timing of natural learned behavior.

By Abigail Person
12 August 2025 | 6 min listen
Book cover for Bird Brains and Behavior: A Synthesis, showing several bird species.

‘Bird Brains and Behavior,’ an excerpt

In their new book, published today, Georg Striedter and Andrew Iwaniuk dive deep into the latest research on the neural mechanisms of avian behavior. This excerpt from Chapter 2 explores how birds sleep.

By Andrew Iwaniuk, Georg Striedter
5 August 2025 | 9 min read
Illustration of the outlines of a baby, a bee and a robot filled in with computer code-like characters.

Babies, bees and bots: On the hunt for markers of consciousness

To truly understand consciousness, we need new methods to measure it and detect it in other intelligent systems.

By Tim Bayne
30 July 2025 | 6 min read

Cell ‘antennae’ link autism, congenital heart disease

Variants in genes tied to both conditions derail the formation of cilia, the tiny hair-like structure found on almost every cell in the body, a new study finds.

By Lauren Schenkman
24 July 2025 | 4 min listen
Different colored rectangles form the shapes of a bird, fish and insect.

Systems and circuit neuroscience need an evolutionary perspective

To identify fundamental neuroscientific principles that generalize across species, neuroscientists must frame their research through an evolutionary lens.

By Karl Farrow, Katja Reinhard
16 July 2025 | 7 min listen
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 | 6 min listen
A fly over a background of waves of different colors.

Drosophila, like vertebrates, filter sensory information during sleep

Predictive sensory processing in sleeping Drosophila echoes vertebrate research, establishing an evolutionarily conserved neural signature of sleep.

By Siddhant Pusdekar
8 July 2025 | 5 min listen
Research image of excitatory neurons in the mouse hippocampus.

Spatial learning circuitry fluctuates in step with estrous cycle in mice

Cyclic shifts in estradiol levels coincide with changes in dendritic spine density and the activity of place cells in the CA1 region of the hippocampus, a new study shows.

By Sydney Wyatt
25 June 2025 | 6 min listen
Photograph of a moth.

Star-responsive neurons steer moths’ long-distance migration

Cells in the bogong moth brain respond to astral landmarks to orient the insects in the direction they need to go.

By Angie Voyles Askham
18 June 2025 | 5 min listen

Explore more from The Transmitter

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
A crumpled fly.

Exclusive: Harvard University lays off fly database team

The layoffs jeopardize this resource, which has served more than 4,000 labs for about three decades.

By Claudia López Lloreda
13 August 2025 | 5 min listen

Chris Rozell explains how brain stimulation and AI are helping to treat mental disorders

Rozell and his colleagues, using deep brain stimulation and explainable artificial intelligence, have developed tools to help people with treatment-resistant depression.

By Paul Middlebrooks
13 August 2025 | 1 min read