D

n23

DIRHINIC

In relation to the same odour presented to both nostrils.

DISCOMFORT ANXIETY

The tension and frustration arising from an irrational belief about a perceived threat.

DISCRETE DATA

Data that is limited to a set category or value. See cateforical data- discrete variable.

DISCRIMINATION REACTION TIME

The time it takes to discriminate between different stimuli. See compound reaction time- simple reaction time.

DISENGAGEMENT THEORY

Theory that in old age we decline social interactions, have a smaller life space and lose social esteem and morale.

DISORDER

A group of systems that can involve abnormal behaviour, intense or persistent stress or the disruption of a function. See

DISPLACEMENT

Transferring behaviour or feelings from the original objet or person to another. See displaced aggression- drive displacement- scape goating.

DISSOCIATIVE BARRIERS

The barrier to a full conscious access of a traumatic event.

DISTANCE LEARNING

Learning that is acquired from a remote source.

DISTRIBUTED COGNITION

Model for intelligent problem solving.

DIURETIC

A substance that increases frequency of urination.

DIZYGOTIC TWINS (DZ TWINS)

Twins that have developed from two separate and eggs fertilised by separate sperm. Also called fraternal twins.See twin studies.

DOMAIN NAME

The name reserved for finding a web site.

DOMINANT COMPLEX

An emotional disturbance that controls your behaviour.

DOPAMINE (DA)

Dopamine is a neurotransmitter with a vital role in several functions of the brain: sleep, mood, motivation, behavior, reward, cognition,

DORSIFLEXION

Flexion at the ankle and wrist where it moves towards its upper surface.

DOUBLE STANDARD

A hypocritical belief where one behaviour is admissible in one group but not in the other.

DOWNWARD SOCIAL COMPARISON

A method of self-protection where we compare ourselves with people are less well off.

DREAM EGO

A fragment of the ego active during dreaming.

DRIVE

1. The state of readiness motivating a course of action that is hypothetical in nature. 2. Concept used to understand