DISSOCIATIVE REACTION

A psychoneurotic reaction in which a portion of experience is split off, or isolated, from conscious awareness.As a neurotic reaction, dissociation is an unconscious...

DENIAL OF REALITY (DENIAL)

The unconscious defense mechanism of denying the existence of painful facts.This technique enables an individual to escape from intolerable thoughts, wishes, actions, or events...

DIX, DOROTHEA LYNDE (1802-87)

Dorothea Dix was the most effective advocate of humanitarian reform in American mental institutions during the nineteenth century. Born in Maine, she lived in...

DEREISTIC THINKING

Mental activity which is not in accord with reality, experience and logic.Daydreams frequently fall into this category, but the most striking examples are found...

DOMINANCE RELATIONSHIP

A pattern of social organization in which some individuals assert a higher rank than others.Dominance relationships are frequently observed in animals as well as...

DESCARTES, RENE (1596-1650)

Though primarily a philosopher and mathematician, Descartes nevertheless had a profound influence on the development of psychology. Bom in La Hague, he attended a...

DESCRIPTIVE PSYCHIATRY

A systematic approach to psychiatry based upon the observation, study, and classification of directly observable symptoms and clinical patterns. It contrasts with the dynamic...

DETECTION THEORY

An explanation of the way signals are perceived against a background of noise.The psychological study of signal detection is an extension of work performed...

DETERIORATION (Mental Deterioration)

In psychiatry, deterioration denotes a progressive impairment or decline of intellectual and personality functions such as memory, reasoning, concentration, communication, and emotional response.The deteriorated...

DEVELOPMENTAL TASKS

The basic tasks which must be mastered at each stage of life if the individual is to achieve normal development and healthy adjustment. Failure...

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