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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Ventrolateral prefrontal cortex and tactile memory disambiguation in the human brain
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Ventrolateral prefrontal cortex and tactile memory disambiguation in the human brain

机译：人脑前外侧前额叶皮层和触觉记忆歧义消除

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摘要

Tactile sensory information is first channeled from the primary somatosensory cortex on the postcentral gyrus to the parietal opercular region (i.e., the secondary somatosensory cortex) and the rostral inferior parietal lobule and, from there, to the prefrontal cortex, with which bidirectional connections exist. Although we know that tactile memory signals can be found in the prefrontal cortex, the contribution of the different prefrontal areas to tactile memory remains unclear. The present functional MRI study shows that a specific part of the prefrontal cortex in the human brain, namely the midventrolateral prefrontal region (cytoarchitectonic areas 47/12 and 45), is involved in active controlled retrieval processing necessary for the disambiguation of vibrotactile information in short-term memory. Furthermore, we demonstrate that this particular part of the prefrontal cortex interacts functionally with the secondary somatosensory areas in the parietal operculum and the rostral inferior parietal lobule during controlled processing for the retrieval of specific tactile information.
机译：触觉信息首先从中央后回的初级躯体感觉皮层传递到顶叶操作区（即次要体感皮层）和顶额下小叶，再从那里传递到前额叶皮层，并存在双向连接。尽管我们知道在前额叶皮层中可以找到触觉记忆信号，但是尚不清楚不同的前额叶区域对触觉记忆的贡献。目前的功能性MRI研究表明，人脑中前额叶皮层的特定部分，即腹侧前额中部区域（细胞建筑区域47/12和45），参与了主动控制检索过程，以消除歧义性触觉信息。长期记忆。此外，我们证明前额叶皮层的这一特定部分在功能上与顶盖和顶侧下小叶小叶的次要体感区域相互作用，以获取特定的触觉信息。

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