Auditory Evoked Potentials in Children at High Risk for Schizophrenia
Many methods of attempting to determine the etiology of schiz ophrenia have been utilized, but, until recently, the antecedents of this disorder were sought in retrospective information from parents, school records, therapists’ accounts, and other such information sources. The use of the longitudinal, prospective, highrisk method of research eliminates many of the biasing problems encountered in obtaining information using retrospective reports (Erlenmeyer-Kimling, 1968; Mednick and McNeill, 1968; Pearson and Kley, 1957). Two obvious advantages that high-risk studies have over other approaches are that: 1) they permit life history events and the impact of such events to be observed directly, and 2) they make it possible to distinguish psychobiological characteristics that are present before the onset of overt disturbances in functioning from those that appear later. Comprehensive reviews of high risk methodology and descriptions of ongoing studies exist, and we will not go into detail here (see Erlenmeyer-Kimling, 1975; Garmezy and Streitman, 1974.
KeywordsFactor Score Discriminant Function analYSiS Auditory Evoke Potential Discriminant Function Analysis High Risk Child
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