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对威胁历史刺激的自适应性抑制

Jingqing Nian^1,2, Yu Zhang^1,2, Yu Luo^3,4

¹School of Psychology, Guizhou Normal University, Guiyang, Guizhou, 550025, People's Republic of China.

Attention, perception & psychophysics

|November 12, 2025

概括

威胁历史刺激在可能性较低的位置引起注意,但在可能性较高的位置被抑制. 统计学学习通过适应性调节注意力选择来对威胁性刺激进行调节.

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.
注意力研究研究研究

背景情况:

适应性抑制机制存在于物理突出的刺激.
对威胁历史刺激的类似机制的存在尚不清楚.

研究的目的:

调查威胁历史刺激是否受到适应性抑制.
通过使用统计学学习,检查威胁历史刺激对干扰抑制的影响.

主要方法:

威胁条件化任务被用来创建具有和没有威胁历史的刺激.
一个视觉搜索任务操纵了分心的空间概率.
响应时间被测量以评估分心抑制.

主要成果:

与没有威胁历史的干扰器相比,威胁历史的干扰器在可能性较低的位置引起了更慢的响应.
在高概率位置上没有观察到响应时间的显著差异.
对于威胁历史分散器来说,学会的抑制效应显著更高.

结论:

威胁历史分散器在不可预测 (低概率) 时引起注意,但在可预测 (高概率) 时被抑制.
统计学学习适应地调整了对威胁刺激的注意选择,类似于物理突出刺激.
这表明了灵活的注意力控制机制受到学习威胁关联的影响.

关键词:

压制注意力的注意力抑制.统计学学习统计学学习威胁历史威胁历史

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