abnormal psychology
noun
- branch of psychology concerned with mental and emotional disorders (such as anxiety disorders, phobias, depression, and developmental disorders) and with certain incompletely understood normal phenomena (such as dreams and hypnosis)
Wiktionary
noun
- The academic study of persons whose psychological characteristics deviate from the norm, such as neuroses, psychoses, and other disorders.
- An instance of a person having psychological characteristics that deviate from the norm.