Dopamine

Recent articles

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
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
Research images of the human motor cortex

What happens when a histopathologist teams up with computational modelers?

Answers emerge in my chat with Nicola Palomero-Gallagher, a rare example of someone who connects the brain’s microscopic constituents and macroscopic features.

By Mac Shine
11 December 2023 | 7 min read
Spectrum Microphone

Mouse study links dopamine in cerebellum to social behavior

The signaling molecule’s social role in the ‘little brain’ involves Purkinje neurons in the Crus I and Crus II regions, a new study reveals.

By Sarah DeWeerdt
6 July 2022 | 5 min read
Spectrum Microphone

Poor sleep shifts social circuit in mice

Even temporary bouts of too little non-REM sleep can lead to long-term changes in how the animals respond to certain social situations, new research suggests.

By Angie Voyles Askham
20 June 2022 | 5 min read
Brain scan showing communication from amygdala to hypothalamus about social reward.

Brain circuit makes social interactions rewarding, may be altered in autism

Blocking connections between the amygdala and hypothalamus prevents mice from finding social interactions as rewarding as they would otherwise.

By Angie Voyles Askham
30 April 2021 | 4 min read
dopamine neurons in mice show up green in an area of the brain associated with social reward.

Dopamine neurons may dampen social behavior in mouse model of autism

Mice missing a copy of the autism-linked gene PTEN show a reduced preference for social interaction, possibly due to atypically large, overconnected dopamine neurons. Easing the overconnection may alleviate this trait.

By Peter Hess
12 January 2021 | 4 min read

Two new sensors track chemical signals in brains of living animals

Novel sensors enable researchers to monitor the activity of two signaling chemicals in the brains of living fruit flies and mice.

By Brianna Abbott
24 August 2018 | 2 min read

Skepticism surrounds autism drug given ‘fast track’ for approval

In May, the U.S. Food and Drug Administration guaranteed an experimental autism drug a speedy review for approval, but some scientists are skeptical of the drug’s potential.

By Hannah Furfaro
25 July 2018 | 5 min read
black mice exiting hole

Learning shows sex bias in mice with mutation tied to autism

Male mice with a genetic variant tied to autism may have learning difficulties that females with the variant do not.

By Emily Anthes
23 November 2017 | 5 min read

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Brain Inspired Microphone

Kim Stachenfeld on the dance between neuroscience and artificial intelligence

As a researcher at both Google DeepMind and Columbia University, Stachenfeld offers cross-disciplinary insight into how to understand the brain.

By Paul Middlebrooks
11 September 2024 | 92 min listen
World map displaying an analysis of years of life lost to suicide among autistic people in 2021.

PPP2R5D gene; social-communication intervention in infants; autism and suicide

Here is a roundup of autism-related news and research spotted around the web for the week of 9 September.

By Jill Adams
10 September 2024 | 2 min read
Illustration with panels depicting two people working together at a computer and a high-five, and a lone researcher in the foreground, looking up.

Should I work with these people? A guide to collaboration

Kevin Bender offers advice for early-career neuroscientists on how to choose the right collaborations and avoid the bad ones.

By Kevin Bender
10 September 2024 | 7 min read