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SCREENED TOUCH MATCHING

In parapsychology studies employing zener cards, a procedure wherein the individual points out his or her guess regarding the image

SEASICKNESS

Illness or nausea brought on by the rocking motion of a boat at sea.

SECONDARY CAUSE

Factor which assists the primary cause, and is insufficient, in itself, to lead to a disorder.

SECONDARY MOTIVATION

Catalyst constituted by personal or social enticements instead of dominant physiological requirements.

SECONDARY VISUAL SYSTEM

Phylogenetically older, visual path that is situated outside the primary visual system. Eyesight established with this system is comparatively weak

SECURE BASE PHENOMENON

Assessment that young children make use of an area of security, symbolized by an attachment figure, as a foundation from

SEGREGATED MODEL

A type of analysis study, an administrative association, employed in formative assessment, between the program administrator, the production unit, and

SELECTIVE ATTENTION

Process whereby one pays attention only to messages that address a need or interest or are consistent with the individual's

SELECTIVE RETENTION

Variance between people in the ability to recall specific incidents pertaining to the vividness, accuracy and reliability, amount, and particular

S-ADENOSYLMETHIONINE (SAM)

Nutritional supplement marketed under the Gumbaral, Samyr, Adomet, Heptral and Admethionine brand names as a prescription drug approved in Russia,

SAINT VITUS'S DANCE

Ancient designation for Sydenham's chorea.

SAM 1

Abbreviated notation for S-adenosylmethionine or Search of Associative Memory.

SAMPLING THEORY

Guidelines for taking samples which will correctly characterize the populace from which they are drawn. See: sampling.

SATIATION

Cessation of a desire or need by satisfaction of that desire or need. Short-term waning of a reinforcer's efficacy after

SAXITOXIN (STX)

Naturally produced neurotoxin in certain species of marine dinoflagellates. One of the most potent natural toxins known, acts on the

SCANNING SPEECH

Speech which proceeds slowly and is marked by variations of intonation and unintentional delays between syllables. Representative of ataxic dysarthria.

SCHAFFER COLLATERAL

Axon collaterals given off by CA3 pyramidal cells in the hippocampus which project into CA1 and are an integral part

SCHIZOIDISM

Array of behavioral patterns which incorporates reclusiveness, quietness, and a general introversion, pointing to a division between an individual and

SCHIZOTYPAL PERSONALITY DISORDER

In DSM-IV-TR, extreme character dysfunction identified by assorted oddities of cognition, perceptual experience, speech patterns, and behavior patterns which are

SCHRODER STAIRCASE

Ambivalent illustration featuring a staircase which appears to be seen from different perspectives as the observer changes focus. Also known