Headshot of Alexxai Kravitz.

Alexxai Kravitz

Associate professor of psychiatry
Washington University in St. Louis

Alexxai Kravitz is associate professor of psychiatry at Washington University in St. Louis, where he leads a team of researchers that focuses on understanding how the brain mediates feeding and obesity in mice. In addition to a passion for understanding feeding, his lab has a strong interest in developing open-source hardware devices to study rodent behavior, and in adopting open-science practices for neuroscience research.

Explore more from The Transmitter

Large-scale neuroimaging datasets often lack information specific to women’s health, constraining AI’s analysis potential

Addressing this gap will require collecting widespread data on pregnancy, menopause and other life events women experience—and could bring us closer to the “holy grail” of linking brain and behavior.

By Amy Kuceyeski
16 March 2026 | 0 min watch
Annette Dolphin.

Remembering Annette Dolphin, who helped explain gabapentin’s effects

The "intuitive" neuropharmacologist pushed against the status quo.

By Michael Eisenstein
13 March 2026 | 7 min read
Data visualization from a genome-wide association study.

Revised statistical bar extracts less-common variants from autism genetics studies

Adjusting genetic analyses could help plug autism’s heritability gap, according to a new preprint.

By Holly Barker
12 March 2026 | 4 min read