一个训练有素的非形状吸引了人们的注意,并延迟了回归抑制
Mingze Sun1, Zhe Qu2, Yajie Wang1
1School of Psychology; Center for Studies of Psychological Application; Guangdong Key Laboratory of Mental Health and Cognitive Science; Ministry of Education Key Laboratory of Brain, Cognition, and Education Sciences, South China Normal University, 55 West Zhongshan Road, Guangzhou, 510631, China.
感知学习允许非突出形状触发外源注意力定向 (EAO),导致早期促进和晚期抑制回归 (IOR),类似于突出刺激.
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.
- 视觉注意力 视觉注意力
背景情况:
- 对突出刺激的外源性注意力导向 (EAO) 涉及早期捕获和晚期抑制.
- 感知学习可以导致非 Salient 形状的非自愿的注意力捕获.
- 在非 Salient 形状中,包括阻断回归 (IOR) 在内的双相 EAO 模式尚不清楚.
研究的目的:
- 调查是否训练有素的非形状可以引起双相EAO模式,包括IOR.
- 为了比较经过训练的非突出形状的EAO模式与物理突出线索.
主要方法:
- 利用一种感知学习任务与经典的波斯纳外围提示范式相结合.
- 对训练有素和未训练有素的非突出的形状线索在各种线索-目标发作异步 (CTOA) 的目标检测进行了比较.
- 包括控制线索 (发作,亮度对比) 和一个眼睛跟踪实验.
主要成果:
- 训练有素的非 Salient 形状在短 CTOA (200-300 ms) 中促进了目标检测,在长 CTOA (800 ms) 中降低了目标检测.
- 这种两相模式不同于发病/发光率线索,这些线索在短CTOA时表现出促进,在400 ms时表现出抑制.
- 眼睛追踪证实,减少的眼睛运动并没有解释中级CTOA缺少IOR的原因.
结论:
- 一个训练有素的非形状可以诱导双相EAO模式,包括延迟的IOR.
- 感知学习显著调节外源性注意力过程,与物理突出不同.
- 之前的经验在塑造注意力定向机制方面起着至关重要的作用.
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