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

Adriano Aguzzi.

Neuropathologist not guilty of research misconduct, says university probe

The investigation determined that seven papers by corresponding author Adriano Aguzzi have “scientifically significant” errors, which Aguzzi attributes to his former students.

By Dalmeet Singh Chawla
8 July 2026 | 5 min read
Research image of proliferating neural cells.

Diverse autism genes derail common developmental pathways

Multiple genetic mouse models initially show delayed cortical development, but the animals’ molecular trajectories diverge within weeks after birth, a new study finds.

By Holly Barker
8 July 2026 | 5 min read
Brain scans showing sex-based activation differences.

Brain’s sex differences are subtle and contradictory, large MRI study finds

Sex-based behavioral differences do not match with variations in brain activation or structure in a study of almost 1,000 people.

By Lauren Schenkman
8 July 2026 | 5 min read