WUNDT, WILHELM MAX, (1832— 1920)

Wundt, the founder of experimental psychology, was bom near Mannheim, the son of a Lutheran minister. After years of tutoring by his father’s assistant,...

WERNICKE’S SYNDROME

A brain disorder caused by a deficiency of vitamins, particularly thiamine and niacin; first described in 1881 by the German neurologist Carl Wernicke (1848-1905).The...

WERTHEIMER, MAX (1880-1943)

Wertheimer, originator of the Gestalt theory, was born in Prague, studied law at the universitythen became interested in psychology and philosophy. He obtained his...

WHITE, WILLIAM ALANSON (1870- 1937)

White, a leading figure in the development of American psychiatry, was bom in New York City and received his medical degree at Long Island...

WITHDRAWAL

A defensive reaction consisting of retreat from threatening situations and, in its pathological form, retreat from reality as a whole.There are many types and...

WITHDRAWAL SYMPTOMS

Mental and physical symptoms experienced when drugs are unavailable to individuals who have become addicted or habituated to them.These symptoms may be relatively mild,...

WAKING HYPNOSIS

a state of hypnosis elicited without referring to sleep by getting the involved party to focus their attention on an item and to close...

WARM-UP EFFECT

a phenomenon viewed in learning and motor tasks wherein people carry on imprecisely and gradually at the beginning of a session, even if accustomed...

WAVELENGTH THRESHOLDS

the minimal and maximal light or noise wavelengths which can be interpreted. In the human visual system, differ slightly with severity but are usually...

WECHSLER PRESCHOOL AND PRIMARY SCALE OF INTELLIGENCE (WPPSI)

an intelligence test for kids from 2 years 6 months old to 7 years 3 months which presently utilizes seven verbal subtests and seven...

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