Internal state

Recent articles

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
Research image of neurons in the rat olfactory bulb.

Neurons in rat olfactory bulb ‘feel the pulse’

Mechanical receptors can detect intracranial pressure changes caused by blood flow, which enables neurons to synchronize with the heartbeat.

By Calli McMurray
26 March 2024 | 6 min read

Explore more from The Transmitter

How does a control theorist explain cognition?

Maxim Raginsky draws on control theory, engineering and philosophy to explore what makes biological brains intelligent, what artificial intelligence is missing, and what principles underlie biological autonomy.

By Paul Middlebrooks
7 October 2026 | 1 min read

Holographic mesoscope reads, writes from different cortical regions simultaneously

The tool could help reveal how information transmission between areas relates to perception, cognition and behavior.

By Simon Makin
7 October 2026 | 0 min watch

Susana Carmona on the neurobiology of pregnancy

In a Q&A about her new book, “A Mother’s Brain,” Carmona shares key moments in her career that led her to study the neuroscience of motherhood and discusses some of the major questions the field still needs to address.

By Francisco J. Rivera Rosario
6 October 2026 | 8 min read