注意力负载影响多感官集成,而不会导致空间处理不对称.
M S Saccani1,2, G Contemori3, F Del Popolo Cristaldi3
1Padova Neuroscience Centre, University of Padua, Via Orus 2, 35129, Padua, Italy. mariasilvia.saccani@unipd.it.
Scientific reports
|May 9, 2025
概括
高的注意力负载会增加声音诱导的闪光幻觉,但不会在健康的成年人中产生空间处理偏差. 这表明了注意力参与.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 人类的感知 人类的感知
背景情况:
- 多任务增加了认知负载,可能会影响感官处理.
- 空间注意力偏差,例如右侧偏差,假设在高认知负载下出现.
- 声音引起的闪光幻觉是视听集成的一个现象,它可能对注意力需求敏感.
研究的目的:
- 为了调查是否空间处理在无障碍的个体受影响的注意力负载在多任务处理.
- 为了测试这种假设,即高的注意力负载会导致空间处理不对称性,特别是对右的注意力偏差.
- 在感知不确定性的条件下,研究注意力负荷对声音诱导的闪光幻觉的作用.
主要方法:
- 两项基于网络的实验与健康成年人进行 (N=101和N=98).
- 一个主要的视听集成任务,引起声音诱导的闪光幻觉,被用于左侧或右侧呈现的刺激.
- 注意力负荷被操纵"离线" (实验1) 和"在线" (实验2),以评估不同的多任务需求的影响.
主要成果:
- 在这两项实验中,高的注意力负载复制了声音诱导的闪光幻觉的增加.
- 在高负荷下,这种增加的幻觉感知对于左侧和右侧刺激都是一致的.
- 没有发现负载诱导的空间处理不对称或右侧注意力偏差的证据.
结论:
- 这些发现挑战了声音诱导闪光幻觉的早期,注意力预先出现的概念.
- 结果表明,注意力负载调节视听一体化,但不会诱导健康个体的空间处理不对称.
- 注意力参与的定量方面,而不是注意力资源的具体性质,在调节性能方面似乎至关重要.
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