Nucleus accumbens

Recent articles

Two prairie voles.

Oxytocin prompts prairie voles to oust outsiders, fortifying their friendships

The “love hormone” drives the neurobiology behind platonic bonds in animals usually studied for their romantic attachments.

By Holly Barker
8 August 2025 | 7 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
Two prairie voles touch snouts in a tank.

Brain gene expression syncs between bonded prairie voles

The overlapping activity in the animals’ nucleus accumbens may underpin pair bonding, a new preprint suggests.

By Shaena Montanari
10 January 2025 | 5 min read
A diagram of green neurnons

Cocaine, morphine commandeer neurons normally activated by food, water in mice

Confirming a long-held hypothesis, repeated exposure to the drugs alters neurons in the nucleus accumbens, the brain’s reward center, and curbs an animal’s urge for sustenance.

By Lauren Schenkman
8 May 2024 | 5 min read

Explore more from The Transmitter

leech illustration.

What leeches reveal about movement

Lidia Szczupak turned to the animals to explore how the nervous system coordinates movement.

By Claudia López Lloreda
27 August 2026 | 6 min read
Illustration of scientist facing a fractured landscape.

Redefining underrepresentation in global neuroscience

Shifting the focus of equity initiatives from identity categories to structural barriers can reveal overlooked challenges and increase support and participation worldwide.

Illustration of scientists climbing over a barrier to reach publications.

Scientific talent is global. Access to the world’s scientific stage is not.

Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.

By Vicente Medel
27 August 2026 | 8 min read