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Multi-channel ECoG signals are directly recorded from the surface of brain during finger flexion. Here they are used to construct brain functional networks based on phase synchronization theory. The channels of ECoG signals are considered as the nodes of brain functional networks, and the interactions among the channels suggest the connectivity of brain functional networks. The edge between two different...
A method is proposed to detect and eliminate the synchronous ECG artifacts in the EEG Signals based on the matching pursuit algorithm, which doesn't require the additional synchronous ECG channel or multichannel signals. By using the mixed over-complete dictionary, the EEG signals based on the matching pursuit algorithm are decomposed into atoms. The atoms that have the similar morphological characteristics...
Recent resting-state fMRI studies have suggested that inter-regional functional connectivity shows a small-world topology combined with a high level of global connectivity, which indicates an organization of brain in highly clustered sub-networks. However, little is known about the visual-activating functional connectivity in the human brain. In this study, we derive the brain functional networks...
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