title: Imagery and verbal aspects of schizophrenic informational performance.
abstract: Imagery and verbal aspects of schizophrenic informational performance were examined. Pictorially and verbally presented pairs of items were compared with respect to both pronounceability of their names and their real-life sizes. Results indicated slower stimulus encoding of pictorial than verbal stimulation among the schizophrenics, especially paranoids. On the other hand, comparison of item properties appeared intact regardless of stimulus-presentation format. Non-paranoids made fewer errors as size judgements became more difficult, suggesting protection against erroneously stating the presence of stimulus properties. Scores from a questionnaire directed toward habitual use of imagery and verbal processes indicated significantly greater preference for the latter among paranoids.
mesh_terms: D000328:Adult; D001288:Attention; D004193:Discrimination Learning; D005260:Female; D005556:Form Perception; D006801:Humans; D007092:Imagination; D008297:Male; D011930:Reaction Time; D012563:Schizophrenia, Paranoid / Q000523:psychology; D012565:Schizophrenic Psychology; D012660:Semantics; D012858:Size Perception; D013561:Symbolism