Noradrenaline

Recent articles

The brain’s quiet conductor: How hidden cells fine-tune arousal

New research published today suggests that the pericoeruleus acts as a kind of micromanager of arousal, selectively inhibiting different subgroups of locus coeruleus neurons depending on the behavioral context.

By Mac Shine
7 May 2025 | 59 min watch
Three sleeping mice.

Fleeting sleep interruptions may help brain reset

Brief, seconds-long microarousals during deep sleep “ride on the wave” of locus coeruleus activity in mice and correlate with periods of waste clearing and memory consolidation, new research suggests.

By Shaena Montanari
13 January 2025 | 5 min read

Explore more from The Transmitter

Contested paper on vaccines, autism in rats retracted by journal

The editor-in-chief cited “inconsistencies in the number of subjects” as the reason for the retraction.

By Marta Hill
7 August 2025 | 4 min read

Body state, sensory signals commingle in mouse whisker cortex

The new study challenges a long-held view that the barrel cortex exclusively encodes sensory signals from the whiskers.

By Claudia López Lloreda
6 August 2025 | 6 min listen
Book cover for Bird Brains and Behavior: A Synthesis, showing several bird species.

‘Bird Brains and Behavior,’ an excerpt

In their new book, published today, Georg Striedter and Andrew Iwaniuk dive deep into the latest research on the neural mechanisms of avian behavior. This excerpt from Chapter 2 explores how birds sleep.

By Andrew Iwaniuk, Georg Striedter
5 August 2025 | 9 min read