PsycINFO (APA) PsycINFO is the core database for searching academic, research, and practice literature in psychology. Search the database for citations and summaries of psychology literature published in journals, books and dissertations. Also search here for psychological aspects of related fields such as medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistics, anthropology, business, law and others. It includes over one million citations and summaries. 98% of the materials included here are peer reviewed.