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

Research image of human cortical organoids.

Parsing phenotypes in people with shared autism-linked variants; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 13 October.

By Jill Adams
14 October 2025 | 2 min read

Ant olfactory neurons reveal new ‘transcriptional shield’ mechanism of gene regulation

A protective screen of spurious transcriptional activity enables each olfactory neuron to express exactly one out of hundreds of olfactory receptors.

By Viviane Callier
14 October 2025 | 0 min watch
Illustration of a series of shapes, with a few resembling human eyes.

The visual system’s lingering mystery: Connecting neural activity and perception

Figuring out how the brain uses information from visual neurons may require new tools. I asked 10 neuroscientists what experimental and conceptual methods they think we’re missing.

By Grace Lindsay
13 October 2025 | 5 min read

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