V

n23

VISUAL CONSCIOUSNESS

the contents of visual awareness. Operationally, it contains those visual occurrences which can be claimed, differentiated from one another, and

VISUAL HALLUCINATION

visual comprehension within the absence of any exterior stimulant. Visual hallucinations might be simple or complex. With regard to hallucinations

VISUAL PURSUIT

motions of the eyes to try to preserve focus on a progressing objective. Commonly referred to as ocular pursuit.

VISUAL-RIGHTING REFLEX

any of the reflexes which automatically position the head toward the visual focus item of the moment.

VITAMIN A TOXICITY

a condition elicited by too much ingestion of vitamin A in which a significant overdose of 500,000 IU or more

VOCAL REGISTER

the tonal or pitch range of a person's voice.

VOCATIONAL TRAINING

an ordered program of direction modeled to equip people with the required abilities and qualifications for assignment in particular tasks

VOLLEY

noun. a synchronous dispersion; whenever nerve impulses happen in stages alongside various nerve fibers.

VOLUNTEER BIAS

any step-by-step variation between involved parties who volunteer to be in an analysis in contrast to those who don't.

VULNERABILITY FACTOR

a variant which, if encountered or elicited, impacts the likelihood that a person will cultivate a condition, disorder, or illness,

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