Functionalism: This is another early psychological perspective that focused on how our mental and behavioral processes function - how they enable us to adapt, survive, and flourish.
Gestalt Psychology: A psychological approach that emphasizes that we often perceive the whole rather than the sum of the parts.
Psychoanalysis: A therapeutic technique developed by Sigmund Freud which aims to treat mental disorders by investigating the interaction of conscious and unconscious elements in the mind.