视觉搜索任务中直视探测优势的眼动研究

被引:4
作者
胡中华 [1 ]
赵光 [1 ]
刘强 [1 ]
李红 [1 ,2 ]
机构
[1] 认知与人格教育部重点实验室,西南大学心理学院
[2] 辽宁师范大学心理发展与教育研究中心
关键词
人群中的凝视效应; 注视方向; 头的朝向; 注意捕获; 匹配加工; 搜索阶段; 反应阶段;
D O I
暂无
中图分类号
B842 [心理过程与心理状态];
学科分类号
040201 ;
摘要
已有研究发现在视觉搜索任务中对直视的探测比斜视更快且更准确,该现象被命名为"人群中的凝视效应"。大多数研究者将该效应的产生归因于直视会捕获更多的注意。然而,直视条件下对搜索项的匹配加工更容易也有可能导致对直视的探测比斜视快。此外,已有研究还发现头的朝向会影响对注视方向的探测,但对于其产生原因缺乏实验验证。本研究采用视觉搜索范式,运用眼动技术,把注视探测的视觉搜索过程分为准备阶段、搜索阶段和反应阶段,对这两个问题进行了探讨。结果显示:对直视的探测优势主要表现在搜索阶段和反应阶段;在搜索阶段直视的探测优势获益于搜索路径的变短和分心项数量的变少以及分心项平均注视时间的变短;头的朝向仅在搜索阶段对注视探测产生影响。该结果表明,在直视探测中对搜索项的匹配加工比在斜视探测中更容易也是导致"人群中的凝视效应"的原因之一;头的朝向仅仅影响了对注视方向的搜索并没有影响对其的确认加工。
引用
收藏
页码:435 / 445
页数:11
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