违反更高阶听觉规律的偏差可以成为预测性,并促进行为
Nina Coy1,2, Alexandra Bendixen3, Sabine Grimm3,4
1Wilhelm-Wundt-Institute of Psychology, University of Leipzig, Leipzig, Germany. nina.coy@uni-leipzig.de.
Attention, perception & psychophysics
|August 2, 2023
概括
人类大脑使用预测错误来学习听觉模式. 偏差的声音,即使是那些具有预测规则的声音,也会传递新的信息,改善听觉预测.
科学领域:
- 听觉神经科学 听觉神经科学
- 认知心理学 认知心理学
- 人类大脑功能 人类大脑功能
背景情况:
- 人类的听觉系统形成了听觉规律的内部模型.
- 偏差,声音违反这些规律,触发预测错误.
- 变态者本身所携带的预测信息往往被忽视.
研究的目的:
- 调查预测信息的偏差如何影响听觉预测.
- 探索更高层次的审计规律在预测中的作用.
- 检查对重复规则的明确知识对听觉处理的影响.
主要方法:
- 一个经过修改的奇怪模式,使用更高阶的音调关系.
- 提出了两种偏差类型,具有高和低的重复概率.
- 参与者执行了一个偏差检测任务,有或没有事先规则知识.
主要成果:
- 对于具有高重复概率的连续偏差,响应时间降低,特别是在规则知识的情况下.
- 对于低重复概率偏差,没有观察到促进效应.
- 当规则已知时,在高重复概率偏差后的标准中发生了更多的错误报警.
结论:
- 违反高阶规律的偏差提供了关于听觉事件的预测信息.
- 人类大脑的预测性质可以通过这种新型范式进一步研究.
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