Mental graphs structure the storage and retrieval of visuomotor associations

IF 21.4 1区 心理学 Q1 MULTIDISCIPLINARY SCIENCES
Juliana E. Trach, Samuel D. McDougle
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引用次数: 0

Abstract

Much of human memory takes the form of cognitive graphs that allow us to relate and generalize knowledge. The influence of structured memory in the motor system is less clear. Here we examine how structured memory representations influence action selection when responses are retrieved from newly learned, hierarchical visuomotor maps. Human participants (N = 182) learned visuomotor mappings with (or without) an imposed latent structure that linked visual stimulus features (for example, colour or shape) to intuitive motor distinctions, such as hands and pairs of fingers. In participants who learned structured visuomotor mappings, transitional response times indicated that retrieving the correct response from memory invoked the ‘traversal’ of a structured mental graph. Forced-response experiments revealed similar computations within individual trials. Moreover, graph-like representations persisted even after multiple days of practice with the visuomotor mappings. Our results point to direct links between internal computations over structured memory representations and the preparation of movements.

Abstract Image

心理图构建了视觉运动联想的存储和检索
人类的大部分记忆都是以认知图的形式呈现的,这让我们能够将知识联系起来并加以概括。结构化记忆对运动系统的影响尚不清楚。在这里,我们研究了当反应从新学习的分层视觉运动图中检索时,结构化记忆表征如何影响动作选择。人类参与者(N = 182)学习视觉运动映射,有(或没有)一个强加的潜在结构,将视觉刺激特征(如颜色或形状)与直观的运动区分(如手和手指)联系起来。在学习结构化视觉运动映射的参与者中,过渡反应时间表明,从记忆中检索正确的反应会调用结构化心理图的“遍历”。强迫反应实验揭示了个体试验中类似的计算结果。此外,即使在使用视觉运动映射练习了几天之后,类似图形的表征仍然存在。我们的研究结果指出了结构化记忆表征的内部计算与运动准备之间的直接联系。
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来源期刊
Nature Human Behaviour
Nature Human Behaviour Psychology-Social Psychology
CiteScore
36.80
自引率
1.00%
发文量
227
期刊介绍: Nature Human Behaviour is a journal that focuses on publishing research of outstanding significance into any aspect of human behavior.The research can cover various areas such as psychological, biological, and social bases of human behavior.It also includes the study of origins, development, and disorders related to human behavior.The primary aim of the journal is to increase the visibility of research in the field and enhance its societal reach and impact.
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