D

n23

DEPRESSOR NERVE

A nerve that depresses a motor or glandualr activity.

DERAILMENT

Thought disorder symptom marked by interruptions to thought and jumping from one though to another disconnected thought. See cognitive derailment-

DERMIS

The layer of skin directly below the outer layer.

DESEXUALIZATION

Psychoanalytic theory. The neutralisation or elimination of a sexual aim.

DESTRUCTIVENESS

Expressing aggression by using destructive behaviour. See self-destructiveness.

DETERMINATION

1. Mental attitude with astrong commitment to goal reaching. 2. process of making a decision. 3. Precise definition or qualification

DEVALUATION

The defence mechanism that denies the importance of someone or something.

DEVELOPMENTAL RETARDATION

The abnormally slow growth. In one or all areas. See dvelopmental delay- developmental immaturity.

DEXAMETHASONE

Synthetic cortisol with the same actions as cortisol. US trade name decadron.

DIACETYLMORPHINE

Chemical name for heroine.

DIALECTIC

1. Language. Investigating the truth in ideas through juxtaposition of opposing opinions. 2. Socrates conservational mode of argument. 3. Hegel's

DIAZEPAM

A benzodiazepine used to manage alcohol withdrawal, convulsions and anxiety. Trade name is Valium.

DIDACTIC TEACHING

1. A technique used in therapy where both verbal and written information is given to clients.2. Part of a graduate

DIFFERENTIAL CONDITIONING

Pavlovian experiment where 2 or more stimuli are used where only 1 will produce an outcome.

DIFFERENTIATION THEORY

Theory where perceptionis understood as a filtering process that allows noise to be filtered out while learning to distinguish features

DIGITAL COMPUTER

An electronic device for processing information. Compare analogue computer.

DIMER

Complex where 2 macromolecular sub units are bound together.

DIPLOID

Possessing the correct number of chromosomes, in humans 46. Compare haploid.

DIRECTED FACIAL ACTION STUDIES

Studies where people are asked to move facial muscles to make an emotional expresion without a verbal reference to the

DIRECTOR

Psychodrama. The therapist who establishes the role play and the scenario.