适应性认知控制在工作记忆中的神经相关物
Eva-Maria Hartmann1, Miriam Gade1,2, Marco Steinhauser1
1Department of Psychology, Catholic University of Eichstätt-Ingolstadt, Eichstätt, Germany.
Psychophysiology
|October 20, 2023
概括
工作记忆检索适应冲突类似于选择性注意力任务. 与事件相关的潜能揭示了在两个认知过程中的冲突和控制的共同神经标记.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
背景情况:
- 在检索过程中,当线索激活竞争信息时,工作记忆 (WM) 中会出现冲突,阻碍性能.
- 最近的发现表明,WM冲突适应反映了在选择性注意力中观察到的模式,与冲突监测理论保持一致.
研究的目的:
- 调查WM中冲突和适应性控制的神经标记是否与选择性注意力任务中识别的神经标记相似.
- 利用事件相关潜能 (ERP) 来检查WM检索冲突期间的神经反应.
主要方法:
- 参与者编码并从两个彩色列表中检索数字,响应探测项目.
- 冲突是由记忆列表中相应位置的不一致数字引起的.
- 记录了行为反应和事件相关潜力 (ERP).
主要成果:
- 行为数据显示出一致性序列效应:对不一致的探测器的反应较慢,在不一致的试验后减少.
- ERP显示了对N450振幅的一致性效应,在不一致的试验后,N450振幅下降.
- 以试验对试验一致性调节的后P3振幅,反映了Stroop任务等任务的发现.
结论:
- 工作记忆中的冲突检测和适应性控制的神经机制与选择性注意力的神经机制有相似之处.
- 与事件相关的潜在发现支持跨不同认知领域的冲突监测和控制过程的整合.
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