DIABETIC REACTIONS
The weakness, excessive thirst, loss of weight, and other symptoms characterizing diabetes mellitus are due to low sugar metabolism resulting…
DIAGNOSTIC TESTS IN EDUCATION
In contrast to achievement tests, diagnostic tests are designed to analyze individual performance and identify special disabilities. Most of these…
DIFFERENTIAL PSYCHOLOGY (Individual Differences)
An area of psychology concerned with behavioral differences between individuals and groups of individuals—including, among others, sex, race, nationality, cultural…
DIRECT ANALYSIS
A therapeutic approach developed by John Rosen, in which an attempt is made to understand and communicate directly with the…
DIRECTIVE PSYCHOTHERAPY
An eclectic procedure developed by Frederick C. Thorne, in which the therapist provides the type of treatment needed at each…
DISCIPLINE (literally, “to learn”)
Discipline is the process of learning to adapt one’s behavior to the requirements of society. It “arises from the need…
DEMONOLOGY
Even before Greek and Roman civilization collapsed under the impact of the barbarian onslaught in the fifth century, the Dark…
DISSOCIATION
The unconscious defense mechanism of keeping conflicting attitudes and impulses apart.This is the common human tendency of not letting the…
DEMYELINATING DISORDERS
These diseases, which include multiple sclerosis and diffuse sclerosis, are due to the degeneration of the insulating (myelin) sheath around…
DISSOCIATIVE REACTION
A psychoneurotic reaction in which a portion of experience is split off, or isolated, from conscious awareness.As a neurotic reaction,…
DARWIN, CHARLES ROBERT
Darwin, whose theory of evolution has had a profound influence on psychology, was born in ShrewsburyEngland, the son of a…
DAYDREAMING (Fantasy)
A waking fantasy or reverie; the free play of thought or imagination.Daydreaming is classed as a form of autistic thinking,…
DAY HOSPITAL (Day Care Program)
A mental hospital program organized on a daytime basis. The patients come to the hospital in the morning, receive practically…
DEFENSE MECHANISM (Ego Defense Mechanism)
An adjustive reaction, typically habitual and unconscious, employed to protect oneself from anxiety, guilt, or loss of self-esteem.In the course…
DEHYDRATION REACTION
A disturbance in behavior resulting from an insufficiency of water, classified as a metabolic disorder.In addition to intense thirst sensations,…
DELAYED REACTION
An experimental technique for determining whether an animal or young child can remember the solution to a problem after a…
DELIRIUM TREMENS
An acute psychotic reaction occurring in chronic alcoholics following a prolonged drinking bout. The disturbance may also occur after a…
DECOMPRESSION SICKNESS
The effect of the body after being expose to high pressure such as deep under water and rising too fast…
DEEP DYSLEXIA
An acquired form of dyslexia with semantic errors, reading abstract words is difficult as is function words.