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

Signs of aging vary across brain cells

Senescence presents differently depending on the cell type, toxic trigger and neighboring cells, two new studies find.

By Claudia López Lloreda
18 March 2026 | 4 min read
A computer cursor hovers over distorted data.

Neuroscientists challenge NIH’s proposed human-data access policy

The changes would restrict the sharing of human neuroimaging, transcriptomic and genetic data.

By Claudia López Lloreda
17 March 2026 | 5 min read

David Sussillo on persistence, luck and the bonds between life and work

In a Q&A about his new book, “Emergence,” Sussillo shares why he wrote it and how challenging circumstances shaped his journey into neuroscience.

By Francisco J. Rivera Rosario, David Sussillo
17 March 2026 | 7 min watch