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VENTILATION CONDITIONS

Atmospheric conditions—primarily temperature, humidity, and air flow—constitute an important problem in industrial psychology and human engineering, since they have considerable

VIGOTSKY TEST

A test of conceptual thinking in which the subject classifies blocks according to different characteristicsdeveloped by the Soviet psychologist L.

VISIBILITY CURVE

A graph representing the sensitivity of the eye to different wavelengths of light. Two types of curves are usually constructed,

VISIBLE SPECTRUM

The range of electromagnetic waves visible to the human eye.Our sense of vision is activated by radiant energy emitted or

VISUAL DEFECTS

Common visual defects so often affect behavior and adjustment that they are usually included in the field of psychology. Most

VOLUNTEER WORKERS

In recent years mental health clinics and mental hospitals have been using more and more volunteersnot only because of the

VALENCE

noun. 1. with regard to the field theory of Kurt Lewin, the subjective worth of an occurrence, item, individual or

VALUES LIFESTYLE GROUPS (VALS)

groups of consumers divided by their individual traits. Eight classifications of consumers are determined, based upon reactions to proprietary questionnaires.

VARIATE

noun. 1. reference: variant. 2. a specific value of a specific variant.

VASOCONSTRICTOR

noun. any drug or other agent which elicits blood vessel constriction so that the girth of the vessels is lessened.

VENLAFAXINE

an antidepressant which functions by blocking the reuptake of norepinephrine and serotonin; it is a member of the SNRI categorization.

VENTRODORSAL

directed or starting from the front to the back of the body.

VERBAL FLUENCY TEST

any of a set of examinations wherein involved parties are requested, within a limited time, to produce words which suit

VERGENCE

noun. a turning motion of the eyes. If they turn inward, the motion is known as convergence; if they turn

VESICLE

noun. a fluid-filled sac-like structure, like any of the synaptic vesicles inside axon terminals which consist of neurotransmitter molecules.

VESTIBULO-OCULAR REFLEX (VOR)

the indeliberate compensatory motion of the eyes which takes place to preserve focus on a visual objective in minor, short

VICARIOUS

adjective. supplementary or second-hand: applied, for instance, to the gratification supplied by observing the encounters of other people in television

VINELAND ADAPTIVE BEHAVIOR SCALES (VABS)

an evaluation of a person's social and personal operating in four regions: correspondence, everyday living abilities, socialization, and motor abilities.

VISCERA

the organs inside any major body space, specifically those organs housed in the abdomen.

VISUAL AMNESIA

loss of the capacity to acknowledge or identify familiar items, published words, or penmanship merely by viewing it, because of