INDIVIDUAL-DIFFERENCES IN AFTERIMAGE PERSISTENCE - RELATIONSHIPS TO HYPNOTIC-SUSCEPTIBILITY AND VISUOSPATIAL SKILLS

被引:15
作者
ATKINSON, RP [1 ]
CRAWFORD, HJ [1 ]
机构
[1] VIRGINIA POLYTECH INST & STATE UNIV,DEPT PSYCHOL,BLACKSBURG,VA 24061
关键词
D O I
10.2307/1422908
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
To investigate the moderating role of individual differences in hypnotic susceptibility and visuospatial skills on afterimage persistence, we presented a codable (cross) flash of light to 40 men and 46 women who had been dark adapted for 20 min. In an unrelated classroom setting, subjects had previously been given two standardized scales of hypnotic susceptibility (Harvard Group Scale of Hypnotic Susceptibility, Shor & Orne, 1962; Group Stanford Hypnotic Susceptibility Scale, Form C, Crawford & Allen, 1982) and the Mental Rotations Test (Vandenberg & Kuse, 1978). The first afterimage interval and the afterimage duration correlated significantly with hypnotic responsiveness, supporting Wallace (1979), but did not show the anticipated relationships with mental rotation visuospatial skills. Individuals in the high hypnotizable group had (a) significantly longer afterimage intervals between its first appearance and first disappearance than did those in medium or low groups, as well as (b) significantly longer afterimages between the first appearance and the final disappearance than did those in low groups, but those in medium groups did not differ significantly from the other groups. Discriminant analysis using the afterimage persistence measures classified correctly 65.2% of high hypnotizables, 37.5% of medium hypnotizables, and 54.8% of low hypnotizables. Hypothesized cognitive skills that assist in the maintenance of afterimages and underlie hypnotic susceptibility include abilities to maintain focused attention and resist distractions over time and to maintain vivid visual images.
引用
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页码:527 / 539
页数:13
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