✦ LIBER ✦

Redundancy and complexity of information in cognitive performances of schizophrenic and normal individuals

✍ Scribed by Vladimir Pishkin; W. Vail Williams

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 492 KB
Volume: 40
Category: Article
ISSN: 0021-9762
DOI: 10.1002/1097-4679(198405)40:3<648::aid-jclp2270400303>3.0.co;2-a

No coin nor oath required. For personal study only.

✦ Synopsis

Examined cognitive performance of schizophrenic and normal Ss matched on age, education, and intelligence ( N = 120). Complexity of information and redundant cues were manipulated systematically in a concept identification (CI) task. Schizophrenics were not impaired compared to normals in solution of problems with low redundancy. Whereas normals' performance was facilitated by redundant information, schizophrenics demonstrated marked deficit in CI as a function of that information. Results were interpreted in terms of schizophrenics' inability to filter out irrelevant information, in addition to their deficit in channel capacity for utilizing relevantredundant cues, which have been shown to reliably facilitate normals' CI.

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