Norepinephrine

Recent articles

Research image of astrocytes in the mouse brain.

Astrocytes in mouse amygdala encode emotional state

The glial cells’ activity reliably tracks with freezing, hesitancy and other behaviors reminiscent of anxiety.

By Holly Barker
24 March 2026 | 4 min read

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
Photograph of Floyd Bloom.

Remembering the life of neuropharmacologist Floyd Bloom

The co-author of the classic textbook “The Biochemical Basis of Neuropharmacology” and pioneer in studying the roles of neurotransmitters in the brain died on 8 January at 88 years old.

By Sydney Wyatt
24 January 2025 | 7 min read
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
Illustration of a thermostat set to 22 point 5 degrees celsius, with a silhouette of a mouse adjusting its dial.

Mouse housing temperatures can cook experimental outcomes

Neuroscientists need to take note of how thermoregulatory processes influence the brain and behavior—for the sake of reproducibility and animal welfare.

By Caitlin James, Elizabeth Repasky, Sandra Sexton
5 November 2024 | 5 min read

Explore more from The Transmitter

A fragmenting cube hovers over a person reading a book.

Error equation predicts brain’s ability to generalize

Four statistical measurements of neural network geometry capture how well brains and artificial networks use what they already know to solve new problems, a study suggests.

By Natalia Mesa
10 April 2026 | 5 min read
A large, abstract shape flows out of a small box.

Embrace complexity to improve the translatability of basic neuroscience

Researchers must learn to view heterogeneity as an essential feature of the systems they study and a central consideration in experimental design, not a variable to control for or reduce.

By Linda Douw, Klaus Eyer, Lara Keuck
9 April 2026 | 5 min read

Romain Brette reveals fundamental flaws in commonly assumed neuroscience concepts

His new book, “The Brain, In Theory,” offers alternatives to many of the computer science frameworks currently driving theoretical neuroscience.

By Paul Middlebrooks
8 April 2026 | 131 min listen