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

Collage with a portrait of Suzanne Wood.

The ‘secretly awesome’ side of a teaching career

The freedom to do “wacky” research projects that interest you is a major perk of the teaching stream, says Suzanne Wood, a teaching professor at the University of Toronto.

By Katie Moisse
20 May 2026 | 7 min read
Los manifestantes marchan por la calle portando una pancarta que dice "Defendamos la ciencia".

Manifestantes argentinos denuncian el recorte al financiamiento científico

Manifestantes alrededor del país exigieron al gobierno que aumente los salarios de las universidades públicas y el financiamiento para la investigación científica.

Outside influences on CHD8 variant phenotypes, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 18 May.

By Jill Adams
19 May 2026 | 2 min read