Princeton University Department of Psychology

This article needs to be updated. The reason given is: many facts and figures are years out of date. Please help update this article to reflect recent events or newly available information. (August 2017)

The Princeton University Department of Psychology, located in Peretsman-Scully Hall, is an academic department of Princeton University in Princeton, New Jersey. For over a century, the department has been one of the most notable psychology departments in the country.^[1] It has been home to psychologists who have made significant scientific discoveries in psychology and neuroscience, such as adult neurogenesis in primate brains,^[2] the concept of the cognitive miser,^[3] bystander non-intervention,^[4] face-selective neurons in primate brains,^[5] feature integration theory,^[6] mental models theory,^[7] and prospect theory.^[8]

The department's large undergraduate and graduate programs are highly ranked and it has developed a well-respected neuroscience program.^[9] The faculty have received numerous awards, including a Nobel Prize,^[10] six Distinguished Contributions awards from the American Psychological Association,^[11][12][13] and three William James Fellow awards^[14] from the Association for Psychological Science (APS). Additionally, faculty members have previously served as presidents of the APS,^[15] are fellows of the APS,^[16] and have been inducted into the National Academy of Sciences.^[17] As of 2024, the department is chaired by Casey Lew-Williams, a developmental psychologist known for his work on communication in human infancy.^[18]