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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...
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...
The brain functional networks derived from multi-channel ERP signals are analyzed based on the phase synchronization theory. The nodes of brain functional networks are represented by the channels of ERP signals, and the connectivity of brain functional networks is described by the interaction among the channels. The edge between two different channels exists only if the phase coupling index is beyond...
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