时间模糊如何改变运动时间?
Dominika Drążyk1, Marcus Missal2
1Institute of Neurosciences (IONS), Cognition and System (COSY), Université Catholique de Louvain, Brussels 1200, Belgium.
eNeuro
|September 5, 2023
概括
研究时间模糊,或运动时间变化增加,延迟时间较长. 这项研究发现,较长的延迟并没有显著增加运动时间的变化,这在隐性时间背景中挑战了时间模糊假设.
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.
- 人类运动控制人体运动控制
背景情况:
- 事件时间的主观不确定性会影响运动准备.
- 使用警告刺激 (WS) 和启动信号的反应时间任务评估时间准备.
- 时间模糊假设表明,随着较长的WS-go信号延迟,响应时间变异增加.
研究的目的:
- 在人类眼运动反应时间任务中测试时间模糊假设.
- 研究主观和受刺激的不确定性对运动时间的影响.
- 为了确定刺激之间的延迟增加是否会增加运动时间的变化.
主要方法:
- 眼运动反应时间任务与操纵的警告刺激 (WS) 启动信号延迟.
- 通过延长WS-go信号延迟增加主观不确定性.
- 通过改变启动信号定时差异增加了客观不确定性.
主要成果:
- 增加刺激之间的延迟并没有显著增加运动时间的变化.
- 响应时间差异与更长的刺激延迟不一致地增加.
- 这些发现与时间模糊假设的预测相矛盾.
结论:
- 时间模糊可能不是隐性时刻语境中的运动时刻的特征.
- 运动时间的变化不仅仅由标量期望或时间模糊解释.
- 需要进一步的研究来了解不确定性下的时间准备机制.
相关概念视频
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