Functional network analysis system and method for complex network
A network analysis, complex network technology, applied in the field of data processing and analysis, can solve the problem of high price of MRI examination
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[0070] Here, the database analysis of brain wave data of 21 leads of Alzheimer's disease (AD) is taken as an application example. In the database, the subjects were divided into five groups according to age and degree of degeneration: young healthy control group, elderly healthy control group, mild cognitive impairment (MCI), moderate Alzheimer's disease patients (AD2) and patients with severe Alzheimer's disease (AD3). The tested samples were measured with a 21-conductor electroencephalogram in a resting state with eyes closed, and the sampling frequency was 200 Hz. in, image 3It is the brain wave measurement data of an elderly healthy control group under the resting state with eyes closed.
[0071] The brain wave data measured by each conduction electrode is disassembled into multiple intrinsic mode functions using an adaptive data decomposition method (empirical mode decomposition algorithm), such as Figure four It shows the ten intrinsic mode functions obtained by sel...
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