Neurology

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DELUSION

An improbable and personal belief system or idea that is not seen in a persons culture. See bizarre delusion- encalsulated

DESCRIPTIVE RESEARCH

An empirical investigation to test a hypothesis or to look at conditions, relationships.

DEVELOPMENTAL THEORY

1. theory based on the continuity of human development. 2. The idea that mental retardation is due to slower than

DIFFERENTIAL EMOTIONS THEORY

A theory ythat proposes there is a large but limited number of emotions that appear without any social learning.

DISCORDANCE

1.The condition of being in variance to a situation. 2. The dissimilarity seen in twins with rrspect to a trait

DISJUNCTIVE CONCEPT

A concept based onthe set of attributes that are not needed in every instance. Compare conjunctive concept. See family resemblance.

DIURNALITY

Active during the day and sleeping at night.

DOUBLE BLIND

An experimental procedure where the nature of the experiment is not known. See blind. Compare single blind- triple blind.

DUAL-STORE MODEL OF MEMORY

Concept that memory is a 2 stage process comprising short term and long term memory. Also called dual memory theory.

DYSFUNCTION

Any disturbance, deficiency or impairment of function or behaviour.

ECTOMORPHY

The combining form of surgical removal of a body part.

EGO INVOLVEMENT

The extent to whcich we see an attitude object as being important or significant. Also called attitudinal involvement- personal involvement-

ELECTROENCEPHALOGRAPHY (EEG)

The study of brain waves using an instrument that amplifies and records them.

EMMERT'S LAW

The principle that the size of an after image or eidetic image increases with the distance between the image and

EMPIRICAL-CRITERION KEYING

Method to select questions for personality inventories where the items are chosen and weighted according to social criterion.

ENDOGENOUS DEPRESSION

Depression occuring in the absence of a psychological stressor where a biological or genetic cause is implied. Compare reactive depression.

ENVIRONMENTAL COGNITION

Processing information in real world settings with regard to memory for geographic location and finding your way. See cognitive map-

EQUIPOTENTIALITY

The equal potential of one part of the brain to do a different function.

ETHICS

1. Branch of philosophy investigating the nature and content of moral judgements. Also called moral philosophy. 2. Principles of mporaaly

EX POST FACTO RESEARCH

The research that uses data already collected.