Noradrenaline

Recent articles

Snoozing dragons stir up ancient evidence of sleep’s dual nature

Deep-sleep cycling between brain waves of higher and lower amplitude dates far back on the evolutionary tree, according to a new comparative study of mammals and reptiles.

By Lauren Schenkman
29 December 2025 | 0 min watch

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

Research image of resting-state functional MRI.

Acetaminophen effects on developing brain organoids; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 12 October.

By Jill Adams
13 October 2026 | 1 min read
Illustration of hands holding cash.

Private initiative makes ‘historic’ investment in autism research

Aligning Research to Impact Autism has committed more than $450 million to build a new multidisciplinary research network to uncover the roots of profound autism and develop treatments.

By Madeline Shaw
13 October 2026 | 4 min read
Edgar Adrian works in the laboratory, around 1920.

The neural code at 100

In two 1926 articles, Edgar Douglas Adrian revealed that neurons communicate through trains of spikes.

By Matteo Carandini
12 October 2026 | 8 min read