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首页> 外文会议>BMEI 2012;International Conference on Biomedical Engineering and Informatics >Higher wavelet entropy in the EEG with mild cognitive impairment patients
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Higher wavelet entropy in the EEG with mild cognitive impairment patients

机译：轻度认知障碍患者脑电图的小波熵较高

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摘要

In this study, 8 elderly mild cognitive impairment (MCI) patients and 17 normal controls participated in a cognition task during which they were asked to judge whether the color of two graphics is matched or not. We calculated the wavelet entropy (WE) of the event-related EEG signal to explore the difference of complexity between MCI patients and normal controls. The results revealed that 1) MCI patients had a higher disordered bioelectric activity at medial-center, medial-posterior and right-posterior than the normal controls; 2) greater entropy was found in anterior brain compared with other two regions in normal controls in medial hemisphere. While the MCI patients had the smallest entropy in anterior brain in right hemisphere under the match task; 3) The normal controls had higher entropy in medial-anterior and the MCI patients had lower entropy in right-anterior during the color-match task.
机译：在这项研究中，有8位老年轻度认知障碍（MCI）患者和17位正常对照参加了一项认知任务，在此过程中，他们被要求判断两个图形的颜色是否匹配。我们计算了事件相关脑电信号的小波熵（WE），以探索MCI患者和正常对照之间的复杂性差异。结果显示：1）MCI患者的中枢，中后，右后方的生物电活动异常高于正常对照组； 2）与内侧半球正常对照组的其他两个区域相比，前脑的熵更大。在比赛任务下，MCI患者的右半球前脑熵最小； 3）在颜色匹配任务中，正常对照者的前内侧熵较高，而MCI患者的右前熵较低。

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