EXPECTANCY MODELS OF LABORATORY PREPAREDNESS EFFECTS - A UCS-EXPECTANCY BIAS IN PHYLOGENETIC AND ONTOGENIC FEAR-RELEVANT STIMULI

被引：25

作者：

HONEYBOURNE, C ^{[1
]}

MATCHETT, G ^{[1
]}

DAVEY, GCL ^{[1
]}

机构：

[1] CITY UNIV LONDON,DEPT SOCIAL SCI,DIV PSYCHOL,NORTHAMPTON SQ,LONDON EC1V 0HB,ENGLAND

来源：

BEHAVIOR THERAPY | 1993年 / 24卷 / 02期

关键词：

D O I：

10.1016/S0005-7894(05)80267-9

中图分类号：

B849 [应用心理学];

学科分类号：

040203 ;

摘要：

The present study adopted a threat conditioning procedure in order to assess trial-by-trial changes in UCS expectancy during phylogenetically fear-relevant stimuli (snakes and spiders), ontogenetically fear-relevant stimuli (handguns and electricity outlets), and fear-irrelevant stimuli (landscapes and flowers). The results demonstrated that (a) ontogenetically fear-relevant stimuli exhibited a UCS-expectancy bias which was not significantly different to that found with phylogenetically fear-relevant stimuli, but which was significantly greater than that found with fear-irrelevant stimuli; and (b) this UCS-expectancy bias was translated into greater magnitude SCRs during some stages of the experiment. The results are discussed in terms of an expectancy model of laboratory preparedness effects.

引用

页码：253 / 264

页数：12

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