(Aaron Beck and Albert Ellis) According to this model, individuals who have mental disorders have irrational thinking as opposed to maladaptive behaviours (such as in the behavioural model).
According to this model, individuals with mental disorders, possess maladaptive forms of behaviour which have been learnt. Most of this learning takes the form of classical/operant conditioning (see below).
Psychoanalytic theory: Sigmund Freud’s psychoanalytic theory is the best known example and has probably been the most influential person in clinical psychology. His view was that mental illness did not have a physical origin, but instead arises out of unresolved unconscious conflicts, which form in early childhood. Freud argued that the mind is split into 3 parts:
This approach contends that "Abnormal behaviours result from physical problems and should be treated medically’’
There are 3 main ways used by psychologists to descibe 'abnormalities' effectively: Deviation from Social Norms, Failure to Function Adequately and Deviation from Ideal Mental Health