SADISM

Derivation of pleasure as a result of inflicting pain or watching pain inflicted on others, especially sexual partners (see: sexual sadism), and is crucial...

SALES-SURVEY TECHNIQUE

Technique for assessing the success of advertising and marketing enticements by examining the number of sales of an item after it is promoted in...

SAME-SEX MARRIAGE

Marriage or other long-term, intimate, stable commitment between two people who are of the same sex. Recognized legally in some jurisdictions. May...

SAMPLING UNIT

Any of a variety of factors which comprise a sample. May be schools, people, cities, etc.

SATIATION

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

SAXITOXIN (STX)

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

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 of memory.

SCHIZOIDISM

Array of behavioral patterns which incorporates reclusiveness, quietness, and a general introversion, pointing to a division between an individual and their environment; confinement of...

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 not serious enough to...

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