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DUAL REPRESENTATION

Being able to comprehend an object as itself and representing another thing. Also called dual encoding- dual orientation.

DUPLEX THEORY

Theory that our vision relies on 2 receptors. Also called duplicity theory.

DYADIC RELATIONSHIP

1. A committed 2 person relationship. 2. Relationship between therapist and client.

DYNAMIC SOCIAL IMPACT THEORY

The extension of social impact theory that tries to explain changes in physiological states, subjective feelings and emotions.

DYSDIADOCHOKINESIA DYSEIDETIC DYSLEXIA

A type of dyslexia where a person is unable to recognise thw whole word and needs ro sound it out…

DYSMENORRHEA

Dysmenorrhea is the name for the painful cramps often associated with a menstrual period. In younger women, primary dysmenorrhea is…

DYSPHEMIA

Disorder of phonation, articulation or hearing associated with emotional and mental disturbance and predisposition to neurological disorder.

DYSTAXIA

A mild form of ataxia.

DECIBEL

The logarithmic unit that is used to express the loudness or intensity of sound.

DECOMPOSITION

The process that takes a complex item and breaks into its elements. Organisms also break down by decomposition.

DEEP CEREBELLAR NUCLEUS

The nuclei at the base of the cerebellum.

DEFENSE

Features and behaviour that deters other animals from harming it.

DEFICIENCY NEED

A need that is created by a lack of something.

DEHYDRATION REACTIONS

The reactions of the body when the water supply levels fall below a certain quota.

DELAY OF REINFORCEMENT

The time between a response and its enforcer.

DELIBERATE PSYCHOLOGICAL EDUCATION (DPE)

A curriculum designed to affect a young adult personal, ethical, aesthetic and philosophical development.

DELUSION OF GRANDEUR

Falsely attributing one's self with great ability, importance, worth, identity or power. See megalomania.

DEMASCULINIZATION

Not enough androgens are present for a foetus to develop normal masculine traits.

DEMORALIZATION

The breaking down of values, morals and standards occuring as a response to change.

DENIAL AND SHOCK STAGE

The first of the five stages of dying that is intense but brief.