Our Team
Principal Investigator
Alexandra Decker, PhD
Alexandra (Lexi) Decker is an incoming Assistant Professor in the Department of Psychological and Brain Sciences at Washington University in St. Louis (Danforth Campus). Her expertise spans attention, learning, and memory, cognitive development and clinical and neurodevelopmental disorders.
She earned her Ph.D. in Psychology and Neuroscience at the University of Toronto. Her dissertation focused on the attentional processes that influence learning and memory formation across development. She completed her Postdoctoral Fellowship at MIT, focusing on environmental influences on the brain and cognitive systems that support learning and decision making.
Collaborators
John Gabrieli (MIT)
Katherine Duncan (University of Toronto)
Amy Finn (University of Toronto)
Ola Ozernov Palchik (MIT, Boston University)
Mai Uchida (Harvard University, Massachusetts General Hospital)
Isaac Treves (Columbia University)
Thomas Biba (University of Toronto)
Join the team!
I am actively recruiting team members for fall 2026!