a psychologist definition
A psychologist is someone who has at least an undergraduate degree in psychology, which is the study of the brain in terms of human behavior and personality. Psychologists work in a variety of settings with individual patients, businesses, hospitals, clinics, schools, prisons, communities, the government, the military, and many others. Most psychology professions require an advanced degree, such as a master's or a doctorate.
Medical Definition of COGNITIVE PSYCHOLOGY. : a branch of psychology concerned with mental processes (as perception, thinking, learning, and memory) especially with respect to the internal events occurring between sensory stimulation and the overt expression of behavior—compare behaviorism. — cognitive psychologist noun.