Steven Petersen

Chief of Neuropsychology
Washington University in St. Louis

Explore more from The Transmitter

Silhouettes watch a figure standing in front of a huge human brain.

Neuroscience needs to empower early-career researchers, not fund moon shots

Large-scale projects run the risk of stifling scientific independence. Instead, let’s explore alternative mechanisms of collaboration.

By Dan Goodman
26 May 2025 | 7 min read

Escaping groupthink: What animals’ behavioral quirks reveal about the brain

Neuroscientists have long ignored the variability in animals’ behavioral responses in favor of studying differences across groups. But work on the brain differences that underlie that variability is beginning to pay off.

By Angie Voyles Askham
23 May 2025 | 0 min watch
Research image of the spinal meninges in mice.

Immune cells block pain in female mice only

Regulatory T cells in the spinal meninges release endogenous opioids in a sex-specific manner, new work shows.

By Angie Voyles Askham
22 May 2025 | 5 min read