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Table 1. 

Total number of edges in the unweighted connectivity networks of a representative subject. The corresponding connectivity networks are illustrated in Figure 2. The percentage of new edges that are constructed when the total streamline count increases from 105 to 106 is significant at every scale. The percentage increase is the highest, 65.5%, when the network is constructed at Scale 250. This suggests that a streamline sampling rate of 105 significantly undersamples the network.

Streamline CountScale 33Scale 60Scale 125Scale 250
105 1,380 2,243 3,892 6,851 
106 1,823 3,163 5,887 11,341 
 
% increase in number of edges 32.1% 41.0% 51.3% 65.5% 
Streamline CountScale 33Scale 60Scale 125Scale 250
105 1,380 2,243 3,892 6,851 
106 1,823 3,163 5,887 11,341 
 
% increase in number of edges 32.1% 41.0% 51.3% 65.5% 
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