Cue模式调节了外源空间注意力和视听整合之间的相互作用
Aijun Wang1, Hong Zhang2, Meihua Lu2
1Department of Psychology, Research Center for Psychology and Behavioural Sciences, Soochow University, Suzhou, People's Republic of China. ajwang@suda.edu.cn.
Experimental brain research
|December 19, 2024
概括
由视觉或听觉线索触发的外部空间注意力减少了视听整合 (AVI). 与听觉线索相比,视觉线索在促进和抑制返回范式中对AVI表现出更强的减弱效应.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
- 感官整合 感官整合
背景情况:
- 外生空间注意力影响了视听整合 (AVI).
- 之前的研究探讨了视觉线索的回归抑制 (IOR) 和AVI上的听觉线索的促进.
- 视觉与听觉外源空间注意力对AVI的影响差异仍然不清楚.
研究的目的:
- 调查外在的空间注意力如何通过不同的方式 (视觉,听觉) 影响视听集成 (AVI).
- 为了比较视觉和听觉线索对AVI在促进和IOR范式中的影响.
主要方法:
- 在两个实验中利用了外源空间提示-目标范式.
- 操纵的暗示刺激模式 (视觉与听觉) 诱导空间注意力.
- 在有效和无效的线索条件下测量了视听集成 (AVI) 效应.
主要成果:
- 在促进实验 (实验1) 中,视觉和听觉线索都显著减弱了AVI,视觉线索显示出更强的效果.
- 在IOR实验 (实验2) 中,视觉线索减弱了AVI,但听觉线索没有显著影响AVI.
- 由视觉线索引起的外源空间注意力对减轻AVI的影响比听觉线索更为明显.
结论:
- 外在的空间注意力,无论形式如何,都削弱了视听整合.
- 与听觉线索相比,视觉线索导致AVI的衰减更强,无论是促进效应还是IOR效应.
- 这些发现突出了外源空间注意力如何调节多感官集成的模式特异性差异.
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