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反侧延迟活动和α横向化反映了视觉记忆中的视网膜和以屏幕为中心的参考框架

Wanja A Mössing¹, Svea C Y Schroeder¹, Anna Lena Biel¹

¹Institute of Psychology, University of Münster, Germany; Otto-Creutzfeldt-Center for Cognitive and Behavioral Neuroscience, University of Münster, Germany.

Progress in neurobiology

|February 3, 2024

概括

视觉短期记忆 (VSTM) 使用视网膜坐标保持对象位置,不受眼睛运动的影响. 冲击后的大脑活动表明注意力,而不是记忆力,是视网管的.

科学领域:

神经科学是一个神经科学.
认知心理学认知心理学
视觉感知视觉感知视觉感知

背景情况:

大脑处理视觉信息与左侧半球对左侧和右侧视觉场.
视觉短期记忆 (VSTM) 通过对侧延迟活动 (CDA) 和α频段活动显示横向化.
对VSTM对象位置的参考框架 (以视线为中心与以屏幕为中心) 进行了辩论,特别是在眼睛运动后.

研究的目的:

为了调查VSTM是否代表物体位置在视网管或空间管坐标后saccades.
为了在VSTM维护期间区分CDA和alpha带活动所使用的参考框架.

主要方法:

两项实验涉及参与者对物体颜色进行编码,并在记忆维护过程中执行横向冲刺.
变更检测任务评估了对象位置的存储器在saccades之后.
记录了包括CDA和α频段横向化在内的电生理学测量.

主要成果:

CDA 始终显示向物体的原始视网膜位置的横向化,不管分支.
阿尔法频段横向化转移到屏幕中部后saccade,即使在非记忆任务.
CDA极性没有逆转,尽管萨卡德移动视网膜位置.

结论:

正如CDA所证实的那样,VSTM保持对象位置在视网膜类参考框架中.
萨卡德后的阿尔法带横向化反映了注意力转移,而不是VSTM内容.
这些发现澄清了VSTM在动态视觉处理过程中使用的参考框架.

关键词:

容量容量容量容量这是一个EEGEEGEEGEEGEEGEEGEEG.眼睛的运动眼睛的运动重制地图是重新绘制地图.视觉短期记忆视觉短期记忆

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