Some surprising findings on the involvement of the parietal lobe in human memory.

Some surprising findings on the involvement of the parietal lobe in human memory.
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DOI:
10.1016/j.nlm.2008.09.006
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发表时间:
2009-02
影响因子:
2.7
通讯作者:
Berryhill, Marian
Berryhill, Marian
中科院分区:
心理学4区
文献类型:
--
作者:
Olson, Ingrid R.;Berryhill, Marian

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众所周知,后顶叶在一系列广泛的心理过程中发挥着一定的作用:将视觉与行动(跳眼运动、伸手、抓握)联系起来,关注视觉空间、数字计算和心理旋转。在这里,我们回顾了人类和猴子的发现,这些发现阐明了该区域的一个非传统功能:记忆。我们的回顾借鉴了神经影像学的发现,这些发现反复确定了顶叶激活与短期或工作记忆和情景记忆有关。我们还讨论了最近的神经心理学研究结果,表明患有顶叶损伤的个体表现出工作记忆和长期记忆缺陷。这些缺陷并非无处不在;它们只有在某些检索要求下才明显。我们的综述详细阐述了这些发现,并评估了关于后顶叶在记忆中的机制作用的各种理论。现有的数据表明,后顶叶在记忆恢复中起着重要的作用,而与过去的时间无关。现有数据最支持的两个模型是注意记忆模型和主观记忆模型。最后,我们提出了几个开放性的问题,旨在鼓励未来的研究。
The posterior parietal lobe is known to play some role in a far-flung list of mental processes: linking vision to action (saccadic eye movements, reaching, grasping), attending to visual space, numerical calculation, and mental rotation. Here we review findings from humans and monkeys that illuminate an untraditional function of this region: memory. Our review draws on neuroimaging findings that have repeatedly identified parietal lobe activations associated with short-term or working memory and episodic memory. We also discuss recent neuropsychological findings showing that individuals with parietal lobe damage exhibit both working memory and long-term memory deficits. These deficits are not ubiquitous; they are only evident under certain retrieval demands. Our review elaborates on these findings and evaluates various theories about the mechanistic role of the posterior parietal lobe in memory. The available data point towards the conclusion that the posterior parietal lobe plays an important role in memory retrieval irrespective of elapsed time. The two models that are best supported by existing data are the Attention to Memory Model and the Subjective Memory Model. We conclude by formalizing several open questions that are intended to encourage future research.
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