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DEFENSIVE BEHAVIOR

1. Aggressive or submissive behaviour that is response to any real or imagined threats. 2. Psychoanalytical theory. Behaviour characterised by

DEGENERATING AXON

The remnants of a dead or injured axon. Seen by using dies that are absorbed by the myelin fibre.

DEISM

A religion associated with enlightenment. Based on the premise that God will provide everything needed for human happiness.

DELAYED PARENTHOOD

People who don't start a family until after they are 30 years old.

DELIRIUM OF PERSECUTION

Delirium of mistrust and of being threatened.

DELUSION SYSTEM, DELUSION OF BEING CONTROLLED

A false belief that an external force is controlling ine's thoughts, actions and feelings.

DEMO- (DEM-)

The combining form of people and population.

DENDRITIC BRANCHING

Patttern of dendrites from a neuron.

DENTAL AGE

Measure of dental development based on the number of permanent teeth.

DEPENDENCY-SUPPORT SCRIPT

The stragey where care givers consistently meet the needs of an older adult who is receiving care.

DEPRESSIVE DISORDER

A mood disorder with sadness asa symptom. See unipolar depression.

DEPTH-FIRST SEARCH

A graph search strategy equal to a backtrack search.

DERMATOGLYPHICS

The study of the lines on the skin of the hands, fingers and soles of the feet.

DESCRIPTIVE RESEARCH

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

DESPONDENCY

A state of apathy and a depressed mod.

DETERIORATION INDEX

Subtest scores on the Weschler Adult Intelligence Scale.

DEUTERANOMALY

Colour blindness where green is not seen properly or is confused with red.

DEVELOPMENTAL PSYCHOLOGY

Branch of psychology dealing with changes from conception into old age. Introduction Understanding the complexities of human growth across the

DEVIANT BEHAVIOR

Any behaviour that deviates from the group. Also called deviance.

DIABETES MELLITUS

Metabolic disorder caused by the ineffective production of insulin.