在定向歧视中,右视野优势受到偏向抑制的影响
Xinyu Chen1,2, Liyu Cao3,4, Barbara F Haendel3,5,6
1Department of Psychology and Behavioural Sciences, Zhejiang University, Hangzhou, 310058, China. xinyu_chen12@zju.edu.cn.
Scientific reports
|September 30, 2024
概括
在方向歧视中,右视野优势是由抑制左视野的分心输入驱动的,而不是通过增强右侧处理. 当分心因子不一致时,观察到这种效应.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 视觉处理在整个空间中不是统一的.
- 在站立和走路时,在方向区分和对比度检测任务中观察到右视野优势 (RVA).
研究的目的:
- 调查RVA背后的机制.
- 为了确定RVA是否是由左视野刺激的处理减少或右视野刺激的增强处理引起的.
主要方法:
- 综合行为 (准确性,反应时间) 和电生理学 (移动EEG) 测量.
- 参与者 (n=30) 使用增强现实在站立和走路条件下执行了直线定向歧视任务.
- 刺激异常度和分心状态被操纵.
主要成果:
- 精度和反应时间的RVA取决于干扰器状态,只出现在不一致的干扰器中.
- 电生理学数据显示,右半球神经活动调节与分散器相反.
- 在右半球事件相关潜力 (ERP) 和与左不相称的分心因素对右边目标的行为措施之间发现了积极的相关性.
- RVA和横向的大脑活动独立于刺激异常度和运动状态.
结论:
- 这些发现表明,在定向歧视中的RVA受到空间偏差抑制的显著影响,这些偏差来自左视野的分心输入.
- 这种抑制机制在正确视野观察到的行为优势中起着至关重要的作用.
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