Appetite regulation

Recent articles

Research image of brain circuits.

Novel neurons upend ‘yin-yang’ model of hunger, satiety in brain

The new type of leptin-sensitive cells curb hunger quickly—adding to an increasingly complex picture of brain circuits that control feeding behaviors.

By Giorgia Guglielmi
9 December 2024 | 5 min read
Illustration of a mouse with cheese on its left and a drop of water on its right.

Should I stay (and eat) or should I go? How the brain balances hunger with competing drives

Understanding the interplay among rival signals, such as pain, thirst and fear, could provide insights into anxiety and other neuropsychiatric conditions.

By Giorgia Guglielmi
11 October 2024 | 8 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