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[人类跨通道注意力和记忆言语任务中晚期诱发电位成分来源的偶极子模型]

[Dipole models for the sources of late evoked potential components in verbal tasks for intermodal attention and memory in humans].

作者信息

Mnatsakanian E V, Il'iuchenok I R, Ivanitskiĭ G A, Ivanitskiĭ A M

出版信息

Zh Vyssh Nerv Deiat Im I P Pavlova. 2005 May-Jun;55(3):315-21.

PMID:16033231
Abstract

In this paper we aimed at studying brain structures involved in intermodal attention and memory processes. This was accomplished by dipole modeling of the difference waves of event-related potentials recorded during the performance of verbal tasks and in the control condition. The models were constructed independently from each other for six difference waves obtained by subtracting different experimental conditions. The majority of equivalent sources were located in temporal and frontal areas. The differences in the evoked activity observed between task conditions in the interval from 450 to 850 ms are mainly related to variations in the activity of the hippocampus and adjacent structures.

摘要

在本文中,我们旨在研究参与跨模态注意力和记忆过程的脑结构。这是通过对在执行言语任务期间和对照条件下记录的事件相关电位的差异波进行偶极子建模来实现的。针对通过减去不同实验条件获得的六个差异波,彼此独立地构建模型。大多数等效源位于颞叶和额叶区域。在450至850毫秒间隔内观察到的任务条件之间诱发活动的差异主要与海马体及相邻结构活动的变化有关。

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