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Reevaluating the Sensory Account of Visual Working Memory Storage
Trends in Cognitive Sciences ( IF 16.7 ) Pub Date : 2017-10-01 , DOI: 10.1016/j.tics.2017.06.013
Yaoda Xu

Recent human fMRI pattern-decoding studies have highlighted the involvement of sensory areas in visual working memory (VWM) tasks and argue for a sensory account of VWM storage. In this review, evidence is examined from human behavior, fMRI decoding, and transcranial magnetic stimulation (TMS) studies, as well as from monkey neurophysiology studies. Contrary to the prevalent view, the available evidence provides little support for the sensory account of VWM storage. Instead, when the ability to resist distraction and the existence of top-down feedback are taken into account, VWM-related activities in sensory areas seem to reflect feedback signals indicative of VWM storage elsewhere in the brain. Collectively, the evidence shows that prefrontal and parietal regions, rather than sensory areas, play more significant roles in VWM storage.

中文翻译:

重新评估视觉工作记忆存储的感官帐户

最近的人类 fMRI 模式解码研究强调了感官区域在视觉工作记忆 (VWM) 任务中的参与,并支持对 VWM 存储的感官解释。在这篇综述中,证据来自人类行为、fMRI 解码和经颅磁刺激 (TMS) 研究,以及猴子神经生理学研究。与普遍观点相反,现有证据对 VWM 存储的感官解释几乎没有支持。相反,当考虑到抵抗分心的能力和自上而下反馈的存在时,感觉区域中与 VWM 相关的活动似乎反映了指示大脑其他地方 VWM 存储的反馈信号。总的来说,证据表明前额叶和顶叶区域,而不是感觉区域,在 VWM 存储中起着更重要的作用。
更新日期:2017-10-01
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