Ketamine

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

Explore more from The Transmitter

Is our intelligence rooted in how living organisms are organized?

Kathryn Nave explains how a concept called constraint closure may be fundamental to understanding brains, minds and cognition.

By Paul Middlebrooks
15 July 2026 | 1 min read
Soha Ashrafi photo collage art.

Making an impact through academic administration

As executive director of research at Harvard Medical School’s Department of Neurobiology, Soha Ashrafi supports more than 300 scientists, students and staff members.

By Katie Moisse
15 July 2026 | 7 min read
Illustration of birdsong, bird brain, and DNA.

This paper changed my life: Embracing an early model for naturalistic neuroscience

A 1992 PNAS paper showed how birdsong upregulates the expression of an immediate early gene in bird forebrains. The work revealed to Ribeiro the importance of studying molecular responses in naturalistic contexts.

By Sidarta Ribeiro
14 July 2026 | 4 min read