Cortisol

Recent articles

Image of the dorsal raphe area of the brain.

Neurotransmitter switch-up helps fan extreme stress into full-blown fear

The flip occurs when certain neurons in the dorsal raphe start to express the chemical GABA instead of glutamate, a new study shows.

By Claudia López Lloreda
9 April 2024 | 5 min read
Illustrated portrait of Lauren O’Connell.

Setting up a frog colony and pair bonding with Lauren O’Connell

To become a scientist, O’Connell first needed to leave the family farm.

By Brady Huggett
1 March 2024 | 63 min listen

Explore more from The Transmitter

Patient being administered an EEG test.

Single-neuron recordings are helping to unravel complexities of human cognition

As this work begins to bear fruit, researchers “are becoming less afraid to ask very difficult questions that you can uniquely ask in people.”

By Claudia López Lloreda
14 March 2025 | 8 min read
University of Puerto Rico building.

The future of neuroscience research at U.S. minority-serving institutions is in danger

Cuts to federally funded programs present an existential crisis for the University of Puerto Rico’s rich neuroscience community and for research at minority-serving institutions everywhere.

By Carmen S. Maldonado-Vlaar
14 March 2025 | 5 min read
Research image of gene expression.

Sequencing study spotlights tight web of genes tied to autism

The findings, shared in a preprint, help to illuminate how a large and heterogeneous group of genes could be involved in autism.

By Katie Moisse
13 March 2025 | 5 min read