控制调整成本限制目标灵活性:经验证据和计算账户
Ivan Grahek1, Xiamin Leng1, Sebastian Musslick2
1Department of Psychology, Hellen Wills Neuroscience Institute, University of California, Berkeley.
Psychological review
|July 28, 2025
概括
当目标发生变化时,调整认知控制会产生成本,导致性能调整. 这些控制调整成本受到目标切换频率,时间和目标状态距离的影响.
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.
- 行为科学 行为科学
背景情况:
- 人类智能依赖于灵活的认知和行为调整以适应不断变化的目标.
- 不同的目标需要不同的控制过程,影响注意力和谨慎程度.
研究的目的:
- 调查和量化与调整认知控制以改变目标相关的成本.
- 为了验证一个动态系统模型,解释这些控制调整成本的来源.
主要方法:
- 进行了四项实验,参与者在不断变化的性能目标 (速度与准确性) 下执行了一项苛刻的任务.
- 使用动态系统模型来模拟控制分配,并结合了惯性调整过程.
- 我们分析了经验数据,以评估在各种目标切换条件下控制调整成本.
主要成果:
- 当个人调整他们的控制以满足不断变化的目标时,绩效会产生控制调整成本.
- 调整成本发现,当目标转换时,与目标保持固定时相比,调整成本更高.
- 这些成本的规模随着目标控制状态之间的距离越大,调整时间减少,目标切换频率越高而增加.
结论:
- 控制调整成本是认知控制动态在适应不断变化的目标时固有的后果.
- 这些发现揭示了目标导向行为的灵活性来源和局限性.
- 验证的动态系统模型为理解认知灵活性约束提供了一个框架.
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