编码,工作记忆或决策:反如何调节时间感知
Langyu Li1, Chunna Hou1, Chunhua Peng2
1Key Laboratory of Cognition and Personality (Ministry of Education), Faculty of Psychology, Time Psychology Research Center, Center of Studies for Psychology and Social Development, Southwest University, Chongqing 400715, China.
Cerebral cortex (New York, N.Y. : 1991)
|July 31, 2023
概括
精确的时间感知在3秒内是有争议的. 这项研究表明,反通过最小化响应偏差来减少过高估计,而不是通过改善时间表示本身来减少过高估计,这表明准确的短间隔时间.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
背景情况:
- 能够准确地表示短时间间隔 (小于3秒) 对时间处理的理论模型至关重要.
- 一个常见的发现是对这些间隔的高估,但其原因 (不准确的表示与响应偏差) 仍然不清楚.
研究的目的:
- 调查反是否影响时间估计在不同时间阶段的时间估计:编码,工作记忆和决策.
- 区分不准确的时间表示和响应偏差作为时间高估的原因.
主要方法:
- 参与者复制时间间隔有或没有反,而电脑电图 (EEG) 被记录下来.
- 复制时间的行为分析和脑活动的EEG分析,特别是附带负变量 (CNV) 和P2-P3b振幅.
主要成果:
- 反显著减少了高估值,缩短了复制的时间间隔.
- EEG数据显示,反在决策阶段降低了CNV振幅,但没有影响编码阶段CNV或工作记忆阶段P2-P3b振幅.
结论:
- 在3秒内时间过高估计可能源于行为输出中的响应偏差,而不是不准确的内部时间表示.
- 电生理学证据支持"时间gestalt"的概念,在这个概念中,短的间隔被准确地感知.
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