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DUTY TO PROTECT

Obligation of mental health professionals to protect third parties from harm.

DYNAMIC INTERACTIONISM

A model of behaviour and personality where development depends on a continuous and reciprocal interaction with the environment.

DYSAUTONOMIA

A dysfunction of the autonomic nervous system that includes impairment, failure or an over activity of the sympathetic or parasympathetic

DYSGEUSIA

An abnormality in the sense of taste.

DYSOSTOSIS

The development of the skeleton that is effected by hereditary factors or due to improper care after birth. Usually sen

DYSPROSODY

Abnormal or unusual alteration of speech patterns.

DECENTRATION

Jean Piaget's theory of cognitive development where a child slowly moves away from an egocentric world to a world shared

DECISION-REDECISION METHOD

Technique used in transactional analysis allowing clients to re-experience decisions from childhood and choose to re-decide.

DECULTURATION

The process where aspects of one culture is lost after contact with another one. Compare acculturation.

DEFECATION REFLEX

The reflex that occurs in the rectum that is a response to pressure of faecal material. Also called rectal reflex.

DEFENSIVE PROCESSING

Seeking out, encoding or interpreting information that supports an initial attitude. See biased elaboration- counter argument- selective information processing.

DEGRADATION

1. Neurophysiology. When a neurotransmitter is broken down into inactive metabilites. 2. The result of a declining in value, quality

DEJA ENTENDU

Feeling that what you are hearing seems familiar. Though it has not been heard before.

DELAYED REFLEX

The response to stimulation that is a reflex action and occurs after and not immediately following the stimuli.

DELPHI TECHNIQUE

A way of developing and improving the consensus of a group by removing personal relationships and any dominant personalities.

DELUSIONAL MANIA

A manic episode that features delusions.

DEMOCRATIC LEADER

A leader who establishes and maintains an egalitarian group climate where menbers can make choices, resolve issues and plan activities.

DENDRITIC SPINE

The outgrowth of a neuron along its dendrite. Synapses occur between these and axon terminals.

DENTATE GYRUS

The strip of grey matter between the hippocampus and the entorhinal cortex.

DEPENDENT-PART QUALITY

Gestalt psychology. The quality of a part that is derived from its relationship with the whole.