In the vast field of mental health, clinical psychology is a new profession that expanded rapidly during and after the second World War. Its functions and delimitations are still virtually unknown to the general public and a matter of controversy among allied professions.

The function of the clinical psychologist has grown from its initial function of establishing an I.Q. to include diagnosis, therapy, research, training and consultation. To achieve 'the triple goal of teaching content, developing skills, and inculcating attitudes', the following twelve areas are considered essential: human physiology, theory of personality, developmental psychology, social relations,