通过意想不到的声音分散注意力:比较响应的重复和响应切换
Elena García-López1,2, Fabrice B R Parmentier1,2,3
1Neuropsychology and Cognition Group, Research Institute of Health Sciences, Department of Psychology, University of the Balearic Islands, Palma, Spain.
Frontiers in psychology
|October 17, 2024
概括
意想不到的声音 (偏差刺激) 在重复反应时比切换时更会破坏行为. 这项研究发现,偏差的声音阻碍了响应的重复,加速了交换机,影响了注意力和认知处理.
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.
- 听觉感知是一种听觉感知.
背景情况:
- 奇怪的任务表明,意想不到的听觉刺激吸引了注意力并影响了表现.
- 偏差刺激对响应重复和交换机的影响差异仍然未得到充分探索.
研究的目的:
- 为了调查偏差声音对行为的影响是否通过响应的重复或切换来调节.
- 检查刺激序列平衡对观察到的效应的影响.
主要方法:
- 模拟了10,000个刺激组,用于两个替代性强制选择 (2-AFC) 任务,以评估试验类型的比例.
- 进行了一项2-AFC奇怪任务,参与者判断音调持续时间,控制刺激序列平衡响应重复和开关.
主要成果:
- 刺激模拟表明,响应开关比不受控制的序列中的重复更有可能发生,这表明过去的分心效应可能被低估了.
- 偏离的声音显著延迟了响应的重复,但在音色持续时间判断任务中,加速响应开关.
结论:
- 偏差声音阻碍了支持响应重复的认知过程,同时促进了响应切换.
- 这些发现与非自愿注意力,适应性刺激检测和部分重复成本的理论一致.
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