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DELAYED REINFORCEMENT

Reinforcement that happens after a response. Delay may be signaled or unsignaled.

DELTA ALCOHOLISM

The fourth stage of alcoholism wher a person drinks everyday and control over intake is not totally gone. See alpha,

DELUSIONAL SYSTEM

A group of logically connected delusions of a person.

DEMOCRATIC PARENTING

A style of parenting suggested by Alfred Adler where the parents guide a child's development in a steady and accepting

DENDRITIC THORN, DENDRITIC TREE

Total arrangements of the dendrites of one neuron.

DENTATE NUCLEUS

A cluster of cells in the cerebellum.

DEPERSONALIZATION

The state of mind where the self appears to be unreal.

DEPRESSOR NERVE

A nerve that depresses a motor or glandualr activity.

DERAILMENT

Thought disorder symptom marked by interruptions to thought and jumping from one though to another disconnected thought. See cognitive derailment-

DERMIS

The layer of skin directly below the outer layer.

DESEXUALIZATION

Psychoanalytic theory. The neutralisation or elimination of a sexual aim.

DESTRUCTIVENESS

Expressing aggression by using destructive behaviour. See self-destructiveness.

DETERMINATION

1. Mental attitude with astrong commitment to goal reaching. 2. process of making a decision. 3. Precise definition or qualification

DEVALUATION

The defence mechanism that denies the importance of someone or something.

DEVELOPMENTAL RETARDATION

The abnormally slow growth. In one or all areas. See dvelopmental delay- developmental immaturity.

DEXAMETHASONE

Synthetic cortisol with the same actions as cortisol. US trade name decadron.

DIACETYLMORPHINE

Chemical name for heroine.

DIALECTIC

1. Language. Investigating the truth in ideas through juxtaposition of opposing opinions. 2. Socrates conservational mode of argument. 3. Hegel's

DIAZEPAM

A benzodiazepine used to manage alcohol withdrawal, convulsions and anxiety. Trade name is Valium.

DIDACTIC TEACHING

1. A technique used in therapy where both verbal and written information is given to clients.2. Part of a graduate