Dissociation between Conceptual and Perceptual Implicit Memory: Evidence from Patients with Frontal and Occipital Lobe Lesions.
Dissociation between Conceptual and Perceptual Implicit Memory: Evidence from Patients with Frontal and Occipital Lobe Lesions.
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概念性内隐记忆与知觉性内隐记忆之间的分离：来自额叶和枕叶病变患者的证据
DOI：
10.3389/fnhum.2015.00722
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发表时间：
2015
影响因子：
2.9
通讯作者：
Cheng H
中科院分区：
文献类型：
--
作者：
Gong L;Wang J;Yang X;Feng L;Li X;Gu C;Wang M;Hu J;Cheng H
关于内隐记忆（IM）的最新神经影像学研究表明，不同的内隐记忆类型可能由大脑的不同部分处理。然而，很少有研究探讨哪些亚型的 IM 过程在患有各种脑损伤的患者中受到影响。该研究招募了 20 名额叶损伤患者、25 名枕叶损伤患者和 29 名健康对照者 (HC)。通过在三组中使用结构并行的感知（图片识别任务）和概念（类别范例生成任务）IM 测试以及外显记忆（EM）测试，研究了 IM 的两种亚型。结果表明，额叶损伤患者的概念性 IM 和 EM 任务启动能力比 HC 患者差，而感知 IM 任务在两组之间是相同的。相比之下，枕叶损伤患者的知觉 IM 启动比 HC 差，而概念 IM 和 EM 启动与 HC 相似。整个大脑区域的知觉和概念 IM 之间的双重分离意味着枕叶可能参与知觉 IM，而额叶可能参与处理概念记忆。
The latest neuroimaging studies about implicit memory (IM) have revealed that different IM types may be processed by different parts of the brain. However, studies have rarely examined what subtypes of IM processes are affected in patients with various brain injuries. Twenty patients with frontal lobe injury, 25 patients with occipital lobe injury, and 29 healthy controls (HC) were recruited for the study. Two subtypes of IM were investigated by using structurally parallel perceptual (picture identification task) and conceptual (category exemplar generation task) IM tests in the three groups, as well as explicit memory (EM) tests. The results indicated that the priming of conceptual IM and EM tasks in patients with frontal lobe injury was poorer than that observed in HC, while perceptual IM was identical between the two groups. By contrast, the priming of perceptual IM in patients with occipital lobe injury was poorer than that in HC, whereas the priming of conceptual IM and EM was similar to that in HC. This double dissociation between perceptual and conceptual IM across the brain areas implies that occipital lobes may participate in perceptual IM, while frontal lobes may be involved in processing conceptual memory.