SEGREGATION
Policy or practice of separating people of different races, classes, or ethnic groups, as in schools, housing, and public or…
SELECTIVE BREEDING
Process of breeding plants and animals for particular genetic traits, or in order to produce a specific type of organism…
SELECTIVE SILENCE
In psychoanalysis, extended hush implemented by the counselor to produce anxiety which could motivate the patient to talk, consequently starting…
SALES-SURVEY TECHNIQUE
Technique for assessing the success of advertising and marketing enticements by examining the number of sales of an item after…
SAME-SEX MARRIAGE
Marriage or other long-term, intimate, stable commitment between two people who are of the same sex. Recognized legally in some…
SAMPLING UNIT
Any of a variety of factors which comprise a sample. May be schools, people, cities, etc.
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…
SCIENTIFIC REASONING
Form of reasoning which includes the formation of hypotheses and the validation through scientific method of those hypotheses.
SCOTERYTHROUS VISION
Form of color blindness wherein reds seem to be darker due to a lack of perception at the red end…
SEASONAL AFFECTIVE DISORDER (SAD)
A form of depression most often associated with the lack of daylight in extreme northern and southern latitudes from the…
SECONDARY CIRCULAR REACTION
Posited in Jean Piaget's Theory of Cognitive Development, recurrent activity which emerges in infant behavior patterns at around 4-5 months…