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背景中的竞争:监管注意力系统模型中的响应选择

Andrey Markus^1,2, Zohar Eviatar^1,2

¹Institute of Information Processing and Decision Making, University of Haifa, Haifa, Israel.

Cognitive neuropsychology

|June 15, 2023

概括

语境偏差和手肌活动影响认知任务表现. 双手肌肉活动增加导致更多的错误和更慢的反应,特别是在具有挑战性的环境中,支持监督注意模型.

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.
人类因素人类因素

背景情况:

了解情境信息和生理准备如何影响认知任务的表现至关重要.
监督注意力系统 (SAS) 模型为调查自上而下的注意力控制提供了一个框架.
像表面肌电图 (sEMG) 这样的电生理学测量提供了对运动准备和反应准备的见解.

研究的目的:

调查上下文偏差,目标暴露时间和运动准备 (sEMG) 之间的相互作用,以测试错误率 (ERR) 和响应时间 (RTs).
测试来自监督注意系统模型的关于模式激活和任务结果的预测.
确定通过sEMG测量的生理准备如何影响在不同背景需求和暴露持续时间下的表现.

主要方法:

参与者在上下文环境中执行了一项字母选择任务.
从两只手上记录了表面肌电图 (sEMG),以评估反应的准备.
环境偏差和目标暴露时间被系统地操纵,以观察它们对行为和生理学的影响.

主要成果:

在短曝光时间内,背景偏差和sEMG活动都显著影响了错误率.
在更长的暴露持续时间下,反应时间主要受到上下文偏差和sEMG活动的影响.
环境偏差调解了sEMG活动的影响,双边sEMG活动增加与不一致的环境中更高的ERR和RT相关.
两只手中的sEMG活动是相互关联的,对上下文环境敏感.

结论:

认知任务的结果是由上下文的线索和个体的生理准备状态调节的.
这些发现支持了监督注意系统模型,突出了前刺激激活在任务执行中的作用.
根据sEMG的指标,运动准备在认知表现中起着重要作用,特别是在与上下文信息互动时.

关键词:

表面电脑电图 (ESG) 是一种表面电脑电图.侧翼队员侧翼队员侧翼队员是指侧翼队员.响应准备,响应的准备.监管部门的关注监管部门的关注

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