Support for distinct subcomponents of spatial working memory: A double dissociation between spatial–simultaneous and spatial–sequential performance in unilateral neglect

Support for distinct subcomponents of spatial working memory: A double dissociation between spatial–simultaneous and spatial–sequential performance in unilateral neglect
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支持空间工作记忆的不同子组成部分:单方面忽视中空间同时和空间顺序表现之间的双重分离

DOI:
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发表时间:
2015
影响因子:
3.4
通讯作者:
T. Meulemans
T. Meulemans
中科院分区:
心理学2区
文献类型:
--
作者:
Murielle Wansard;P. Bartolomeo;C. Bastin;Fermín Segovia;Sophie Gillet;C. Duret;T. Meulemans

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在过去的十年中,许多研究表明,视觉空间工作记忆(VSWM)可以分为独立的子系统,致力于保持视觉模式及其序列顺序。受损的VSWM已被认为会加剧右脑受损个体的左侧视觉忽视。本研究的目的是探讨空间顺序工作记忆和空间同时工作记忆在忽视个体中的分离。我们证明了这些VSWM任务的结果模式可以分离。VSWM的空间同步和顺序方面可以选择性地在单侧忽视中受损。我们的研究结果支持多个VSWM子系统的假设,这应该考虑到更好地理解忽视相关的赤字。
Over the last decade, many studies have demonstrated that visuospatial working memory (VSWM) can be divided into separate subsystems dedicated to the retention of visual patterns and their serial order. Impaired VSWM has been suggested to exacerbate left visual neglect in right-brain-damaged individuals. The aim of this study was to investigate the segregation between spatial–sequential and spatial–simultaneous working memory in individuals with neglect. We demonstrated that patterns of results on these VSWM tasks can be dissociated. Spatial–simultaneous and sequential aspects of VSWM can be selectively impaired in unilateral neglect. Our results support the hypothesis of multiple VSWM subsystems, which should be taken into account to better understand neglect-related deficits.
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