连续调整的双重任务顺序协调的电生理学
Robert Steinhauser1, Marco Steinhauser1, Sebastian Kübler2
1Catholic University of Eichstätt-Ingolstadt, Eichstätt, Germany.
Psychophysiology
|May 6, 2024
概括
在双任务执行中,任务顺序协调是根据试验历史进行调整的. 以前的试验顺序开关降低了开关成本并调节神经反应,表明认知控制的逐步调整.
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.
- 人与计算机的交互
背景情况:
- 同时执行任务需要处理协调,特别是在双任务场景中.
- 在双重任务中,不同的任务顺序会导致与重复相比的交换成本.
- 试验历史的影响,超出之前的试验对任务顺序协调并没有完全理解.
研究的目的:
- 调查双重任务中的任务顺序协调是否受试验历史的影响,超出了之前的试验.
- 检查先前的试验顺序转换对行为转换成本和神经反应 (EEG) 的影响.
主要方法:
- 从两个先前的实验中重新分析数据,使用有序的双任务范式.
- 分析反应时间 (RTs),响应逆转,以及脑电图 (EEG) 组件"顺序切换阳性".
- 基于顺序切换的当前试验性能与先前试验 (N-1) 中的重复相比 (N-1).
主要成果:
- 实验1显示,与N-1试验中的重复相比,在命令切换后,行为任务订单切换成本降低了.
- 实验2没有显示出对行为转换成本的显著影响.
- 这两项实验都表明,在N-1试验中,随着顺序切换,EEG"顺序切换积极性"显著降低,表明神经调整.
结论:
- 根据试验历史,双任务顺序协调逐渐调整.
- 神经机制,特别是"顺序切换积极性",反映了受前一个试验的顺序过渡影响的调整.
- 认知控制可以动态地适应顺序任务的需求.
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