D

n23

DREAM STATE (D-STATE)

The state of sleep where we dream, and it can be characterized by rapid movement of a human eye during

DRIVE STRENGTH

The intensity of a drive as defined by Hull's mathematical deductive theory of learning.

DRUG SYNERGISM

The enhancement of efficacy when 2 or more drugs are given at the same time.

DUAL TRACE HYPOTHESIS

Short term reflects changes in long term memory. See Hebbian synapse.

DURABLE POWER OF ATTORNEY

A legal document stating that a person can make health care, financial decisions for another person who is incapable of

DYING PROCESS

The progressive and not reversible loss of vital function resulting in life ending. See stages of dying.

DYNAMIC TESTING

Uses a psychometric approach to measure the processes and products of learning and the potential to learn.

DYSESTHESIA (DISESTHESIA DYSAESTHESIA)

An abnormaity in the sense of touch. Also called dysesthesia sysndrome.

DYSMETROPSIA

An inability to judge an objects size. Compare visual form.

DYSPHONIA

Dysfunction in producing sounds related to speech, See spasmodic dysphonis- voice disorder.

DYSTHYMIA

A depressed mood that is mild to moderate.

DECILE

The part of a statistical distribution that is a tenth part.

DECOMPOSITION OF MOVEMENT

When a person has difficulty in moving smoothly.

DEEP DEPRESSION

A sever depressive episode.

DEFENSE INTERPRETATION

Psychoanalysis. The way a patient protects themselves from anxiety.

DEFINITE ARTICLE

Linguistics. An article used with noun to define something. Compare indefinite article.

DEHYDROGENASE

An enzyme used to catalyse the removal of atoms of hydrogen in biological reactions.

DELAYED AUDITORY FEEDBACK (DAF)

A technique used in auditory feedback where a person listens to what they have just said in order to get

DELINQUENCY

Any behaviour that violates social rules and conventions. See juvenile delinquency.

DELUSION OF OBSERVATION

The belief where a person thinks he is being watched. Also called observation delusion.