Dopamine

Recent articles

Research image of a fiber optic implant in a mouse brain.

Bespoke photometry system captures variety of dopamine signals in mice

The tool tracks the excitation of an engineered protein that senses dopamine’s absolute levels, including fast and slow fluctuations in real time, and offers new insights into how the signals change across the brain.

By Sydney Wyatt
21 March 2025 | 5 min read
Research image of serotonin and dopamine neurons manipulated simultaneously in mice.

Dopamine ‘gas pedal’ and serotonin ‘brake’ team up to accelerate learning

Mice learn fastest and most reliably when they experience an increase in dopamine paired with an inhibition of serotonin in their nucleus accumbens, a new study shows, helping to resolve long-standing questions about the neuromodulators’ relationship.

By Angie Voyles Askham
12 February 2025 | 5 min read
Research image of circuits emerging from striosomes in the striatum.

Newly characterized striatal circuits add twist to ‘go/no-go’ model of movement control

The two novel pathways control dopamine release in opposing ways and may link motivation and mood to action, a new study shows.

By Claudia López Lloreda
24 January 2025 | 4 min read
Four microphones on a table with speech bubbles above them.

The Transmitter’s favorite podcasts of 2024

Our picks include a deep dive into dopamine, the role of PKMzeta in memory, and studying the stomatogastric ganglion.

By The Transmitter
23 December 2024 | 1 min read
Illustration of cranes attempting to assemble a structure out of very small black squares.

In case you missed it: Standout news stories from 2024

These five stories—on the pregnant brain, a failed imaging method and more—top our list of some of the most notable neuroscience research findings this year.

By The Transmitter
23 December 2024 | 2 min read

Vijay Namboodiri and Ali Mohebi on the evolving story of dopamine’s role in cognitive function

Researchers discuss the classic stories of dopamine’s role in learning, ongoing work linking it to a wide variety of cognitive functions, and recent research suggesting that dopamine may help us "look back" to discover the causes of events in the world.

By Paul Middlebrooks
27 September 2024 | 97 min listen
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
Illustration of ketamine blocking open ion channels in active NMDA receptors, quieting the cells and disrupting downstream signaling involved in depression.

Ketamine targets lateral habenula, setting off cascade of antidepressant effects

The drug’s affinity for overactive cells in the “anti-reward” region may help explain its rapid and long-lasting results.

By Olivia Gieger
4 September 2024 | 6 min read

Explore more from The Transmitter

People help each other climb up a supersized human brain.

As federal funders desert mentorship programs for marginalized students, trainee-led initiatives fill the gap

Grassroots organizations, led by graduate students and postdoctoral researchers, are stepping up to provide neuroscience career training and guidance for students from marginalized backgrounds—and they need your support.

By Christian Cazares, Maribel Patiño
11 April 2025 | 5 min read
Research image of two mouse brain slices.

Split gene therapy delivers promise in mice modeling Dravet syndrome

The new approach overcomes viral packaging limitations by delivering SCN1A piecemeal and stitching it together in target cells.

By Holly Barker
10 April 2025 | 5 min read
Screenshot of NeMO website with banner reading This repository is under review for potential modification in compliance with Administration directives.

U.S. human data repositories ‘under review’ for gender identity descriptors

Researchers associated with the repositories received an email from the U.S. National Institutes of Health in March noting that they must comply with a 20 January executive order from President Trump that recognizes only two sexes: male and female.

By Angie Voyles Askham
9 April 2025 | 4 min read