D

n23

DOPAMINE-RECEPTOR AGONISTS

Drugs that bind to and activate the doapmine receptors. Also called dopaminergic agents. Compare dopamine receptor antagonists.

DORSOMEDIAL NUCLEUS

The mass of tissue that projects from the thalamus to the frontal lobes.

DOUBLE-AGENTRY

A situation arising where the therapist is in conflict of demands and interests with their allegiance to the patient. See

DOXEPIN

A tricyclic antidepressant.

DREAM INCORPORATION

The integration of accidental stimulus in a dream.

DRIVE STIMULUS

The hypothetical nerve impulses produced by a drive state.

DRUG SCREENING INSTRUMENT

An interview or self-report instrument designed to identify people who should be assessed for the possibility of substance abuse.

DUAL THRESHOLDS

Where a lower threshold is exceeded a stimulus might be present but when a higher one is passed a stimulus

DURA MATER

The strongest and outer layer of the brain and spinal cord.

DYADIC SESSION

The meeting between a therapist and the client without any family present.

DYNAMIC SYSTEM

A system where a change in one part will influence all of the interrelated parts. Closely related to chaos theory.

DYSDIADOCHOKINESIS

A loss of ability to perform fast alternating movements. Also called adiadochokinesis- adiadochokinesia.

DYSMETRIA

The inability to control the speed, power and distance of body movements.

DYSPHONETIC DYSLEXIA

Dyslexia marked by an inability to sound out letters and syllables of words.

DYSTAXIA

A mild form of ataxia.

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.