决策的神经证据是潜在的有吸引力的串行依赖的基础
Jiangang Shan1, Jasper E Hajonides2,3, Nicholas E Myers4
1Department of Psychology, University of Wisconsin-Madison, USA.
bioRxiv : the preprint server for biology
|November 28, 2024
概括
记忆回忆中的连续依赖表明,在决策过程中出现了有吸引力的偏见,而排斥性的偏见则早些时候被纳入. 这表明不同的记忆偏差具有不同的神经时间.
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.
- 心理学 心理学 心理学
背景情况:
- 刺激史通过有吸引力或有排斥性的偏见 (连续依赖) 影响回忆.
- 一个拟议的模型表明,有吸引力的偏差是源于一个排斥性的编码偏差,而后来的有吸引力的决策偏差则抵消了这种偏差.
- 对于排斥性编码偏差的神经证据存在,但响应期间的吸引性偏差仍然不清楚.
研究的目的:
- 在工作记忆回忆过程中调查吸引力与排斥性的连续偏差的神经机制和时间.
- 确定神经和行为偏差之间的差异是否在决策过程中得到解决.
- 澄清神经表征在吸引力和排斥力的连续依赖中的作用.
主要方法:
- 利用磁脑学 (MEG) 数据的多变量解码.
- 在工作记忆回忆过程中分析神经活动.
- 检查了有吸引力和排斥性的连续偏见的行为报告.
主要成果:
- 吸引神经偏差在回忆阶段晚期出现.
- 排斥性行为偏见与回忆期间的早期排斥性神经偏见相关.
- 神经和行为效应显示了吸引力和排斥性偏见的独特时间概况.
结论:
- 引人注目的序列依赖似乎起源于决策阶段.
- 排斥性的串行依赖性很可能早些时候被纳入,可能是在编码过程中.
- 感知后决策先验是通过前一个试验的目标来更新的,而不是其他刺激.
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