在两位数处理过程中,下额负责认知控制:大小比较任务的fNIRS证据
Yunfeng He1, Huan Zhang2, Hans-Christoph Nuerk3
1Liaoning Key Laboratory of Psychological Testing and Behavior Analysis, Liaoning University, Shenyang, China; Department of Psychology, University of Tuebingen, Tuebingen, Germany.
认知控制对于理解多位数至关重要. 这项研究揭示了认知控制主要涉及额叶皮质,而不是直接影响部数处理区域.
科学领域:
- 神经科学
- 认知心理学
- 认知控制
背景情况:
- 多位数处理依赖于认知控制.
- 数字比较中的单位-十年兼容性效应受认知负载的影响.
- 之前的研究表明认知控制可能是域一般的 (额叶皮层) 或域特定的 (皮层).
研究的目的:
- 在多位数比较中研究认知控制的神经基础.
- 确定数字处理的认知控制是域一般的还是域特定的.
- 检查前额皮层和皮层在单位-十年兼容性效应中的作用.
主要方法:
- 用功能近红外光谱 (fNIRS) 测量了80名参与者的大脑活动.
- 通过使用不同比例的十年内填充物的两位数比较任务来操纵认知控制需求.
- 在行为上测量了单位-十年兼容性效应.
主要成果:
- 单位-十年兼容性效应成功复制.
- 在经过操纵的认知控制要求下进行两位数比较时,fNIRS数据显示了下额的显著激活.
- 没有观察到对皮层特定数量大小过程的直接影响.
结论:
- 多位数处理中的认知控制主要与额叶皮相关.
- 这些发现支持数字认知的认知控制领域模型.
- 神经认知证据表明,域一般过程是多位数处理的关键.
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