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DRUG INTERACTIONS

The effects of giving 2 or more drugs at the same time that may alter the action of one or

DUAL PROCESS THEORY

1. A theory that response to stimuli allows control of behaviour in 2 stages. 2. Memoery theory. Operation of 2

DUNNETT'S MULTIPLE COMPARISON TEST

A method of multiple comparison used to compare all groups with a single control group.

DYADIC EFFECT

The behaviour shown by 2 interacting people that is different to interactions to other people.

DYNAMIC SKILL)

Being able to act in an organised way. Also called dynamic skill theory.

DYSCONTROL

The impaired ability to regulate function in volition, emotion, behaviour or other area that leads to abnormal behaviours.

DYSLEXIA

A neurological based disability in learning with difficulty in reading, writing, spelling and sometimes arithmetics.

DYSPHASIA

The inability to communicate with spech clearly due to damage to the cerebral cortex. Se dysathria.

DYSSOMNIA NOT

A sleep disorder due to excessive noise, light environmental factors and sleep deprivation.

DECEREBRATE RIGIDITY

A rigidity of the body that occurs when the brainstem is separated functionally from the cerebral cortex. Also called decerebrate

DECODING

Information theory. The receiver translates signals into meaningful messages. Compare encoding.

DEDUCTIVE-NOMOLOGICAL MODEL

Model for scientific explanation where laws of nature are used to deduce a working explanation for phenomena.

DEFECTOLOGY

Russian psychology. The area dealing with learning disabilities and abnormal psychology.

DEFICIENCY MOTIVATION

Abraham Maslow's humanistic psychology. The lower 4 levels of hierarchy. Compare metamotivation.

DEHUMANIZATION

Anything that reduces a person to that of an animal.

DELAY CONDITIONING

Pavlovian conditioning. Where the conditioned stimuluses presented and after a time an unconditioned one is introduced.

DELBOEUF ILLUSION

Size contrast illusion using concentric circles that make some rings look smaller.

DELTOID

The muscle that covers the shoulder and is used in raising your arm to the side.

DEMANDINGNESS

The insistence of attention from other people. See dependence.

DEMONSTRATION EXPERIMENT

A demonstration by a teacher in a classroom.