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Chunk #17 — 2. Materials and Methods — 2.4. Network Construction

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Age-Related Alterations in EEG Network Connectivity in Healthy Aging.
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Global efficiency (GlobE) measures communication efficiency in a network, and it is inversely proportion to its average shortest path length. Global efficiency can be calculated as in [7,32]. (5)GlobE=1N(N−1)∑i,j1Li,j while analyzing the weighted networks, the degree of the network was extended to the sum of the weights in the network [52]. Node strength (S) can be computed as show below [7]. (6)S(i)=∑jnMij