将光开关打开绑定:在行动控制中绑定和检索的前额活动
Christoph Felix Geissler1, Lars-Michael Schöpper1, Anna Franziska Engesser1
1Trier University.
Journal of cognitive neuroscience
|October 17, 2023
概括
约束效应,重复行动的成本,出现在需要响应翻译的任务中,而不是直接响应. 背侧前额皮层 (DLPFC) 活动与此相关,表明执行控制是关键.
科学领域:
- 认知神经科学 认知神经科学
- 神经科学是一个神经科学.
背景情况:
- 动作控制理论提出,刺激-反应结合形成事件文件.
- 一个事件文件的重复部分会导致约束效应,部分重复带来的性能成本.
- 在具有空间兼容响应的本地化任务中,绑定效应通常不存在.
研究的目的:
- 为了调查是否在本地化任务中出现绑定效应,当响应被翻译时.
- 检查背侧前额皮层 (DLPFC) 在调节结合效应中的作用.
- 确定DLPFC活动是否与响应翻译中执行控制的需要相关.
主要方法:
- 参与者通过直接 (空间兼容) 或翻译 (空间不兼容) 响应将目标定位.
- 用功能近红外光谱学 (fNIRS) 测量了背侧前额皮层 (DLPFC) 的活性.
- 对响应时间和准确度的行为数据进行了分析,以确定约束效应.
主要成果:
- 在翻译响应条件下观察到结合效应,但在直接响应条件下没有.
- 与直接响应条件相比,DLPFC活性在翻译响应条件下显著更高.
- 在结合效应的大小和DLPFC活性之间发现了相关性.
结论:
- 在本地化任务中,当位置特征需要转化为响应特征时,可能会出现绑定效应.
- 背侧前额叶皮层 (DLPFC) 活动反映了响应翻译所需的执行控制.
- 具有约束力的效果似乎取决于DLPFC的招聘和执行控制要求.
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