在感官分散注意力的过程中,视觉工作记忆表现的神经动态
Jonas Karolis Degutis1,2,3, Simon Weber1,4, Joram Soch1,5,6,7
1Bernstein Center for Computational Neuroscience Berlin and Berlin Center for Advanced Neuroimaging, Charité Universitätsmedizin Berlin, Corporate member of the Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
eLife
|June 24, 2025
概括
视觉工作记忆 (VWM) 和感官感知共享神经代码,但这些代码随着时间的推移而动态变化. 这种动态编码有助于视觉区域内的多重感知和VWM,特别是当分心干扰记忆回忆时.
科学领域:
- 认知神经科学 认知神经科学
- 神经成像是一种神经成像.
背景情况:
- 在视觉区域同时编码感官感知和视觉工作记忆 (VWM) 得到了最近的研究的支持.
- 这种并发代表的确切机制尚不清楚.
研究的目的:
- 研究视觉工作记忆 (VWM) 和感官表现如何同时编码在视觉区域.
- 确定VWM和感官干扰器的神经编码的性质及其潜在干扰.
主要方法:
- 重新分析一个开放式 fMRI 数据集.
- 对跨时间点的神经信号概括的分析,以评估代码动态.
- 检查VWM和感官干扰器之间的编码空间对齐.
主要成果:
- 视觉区域的VWM代码显示出跨时间的动态泛化,归因于编码空间的变化.
- VWM和感官干扰器被编码在部分重叠的空间中,当干扰器影响性能时,分离率降低.
- 有证据表明,临时稳定的编码空间有助于多重化感知和VWM.
结论:
- 动态编码和暂时稳定的编码空间对于视觉区域内的多重感知和VWM至关重要.
- VWM和感官信息的神经表示不是静态的,可以相互作用,影响记忆性能.
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