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

Neuroscientist Julieta Sztarker holds an open-air teach-in for the general public in Plaza Italia in Buenos Aires.

Funding crisis in Argentina sparks new wave of protests

Two years after the country’s research funding collapsed, scientists are demonstrating against the government’s failure to restore previously cut scholarships and increase salaries as required by a 2025 law.

By Claudia López Lloreda, Natalia Mesa
8 May 2026 | 4 min read
Conceptual image of disjointed communication.

‘Slightly unhinged’ federal autism meeting portends unclear research priorities

The meeting last week sparked concerns about the latest Interagency Autism Coordinating Committee’s ability to perform its core function: developing a strategy to support autism research.

By Daisy Yuhas
7 May 2026 | 5 min read

Ehud Ahissar offers a new kind of dualism for neuroscience

He explains how “perceptual dualism” can account for the way we communicate via digital symbols and perceive the world via analog brain processes.

By Paul Middlebrooks
6 May 2026 | 102 min listen