模拟对应性序列效应与对冲突任务的修订扩散模型
Ping-Shien Lee1, Timothy Ballard1, David K Sewell1
1School of Psychology, University of Queensland.
概括
一致性序列效应 (CSE) 表明认知控制适应冲突. 这项研究揭示了自上而下的过程驱动西蒙任务中的CSE,而侧边任务涉及自上而下的和自下而上的影响,以适应冲突.
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.
- 计算建模 计算建模
背景情况:
- 一致性序列效应 (CSE) 或格拉顿效应,传统上通过观察不一致试验后减少效应来衡量冲突适应.
- 现有的理论将CSE归因于自上而下的认知控制或自下而上的关联过程.
研究的目的:
- 在西蒙和侧边任务中解开向CSE的自上而下的和自下而上的贡献.
- 研究注意力转移动态和记忆检索在冲突适应中的作用.
主要方法:
- 对比标准和修改的Simon和Flanker任务,以控制记忆和学习效应.
- 利用对冲突任务的修订扩散模型来分析注意力转移动态.
- 分析了基于响应重复和交替模式的试验.
主要成果:
- 西蒙任务中的CSE主要由上下注意力控制驱动,调整注意力以分散注意力.
- 侧面任务显示混合结果,CSE受到自上而下和自下而上流程的影响.
- 一致性试验受益于自上而下的调整,而不一致性试验显示自下而上的记忆检索和反应性控制.
结论:
- CSE不仅仅是通过自上而下的或自下而上的过程来解释,这表明了复杂的相互作用.
- 需要一个细微的理论框架来整合自上而下的和自下而上的机制,以便全面理解认知控制.
- 研究结果强调了注意力和记忆在顺序冲突适应中的动态性.
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