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Table 2. 
Network construction and edge definition
a. Network constructionn (frequency)
Comprehensive region sampling 80 (75.5%) 
Targeted region sampling 26 (24.5%) 
  
b. Edge definitionn (frequency)
Weighted network 48 (45.3%) 
Binary network 42 (39.6%) 
Both 13 (12.3%) 
Unknown/unclear 3 (2.8%) 
  
c. Edge FC statisticn (frequency)
Correlation (typically, Pearson’s r82 (77.3%) 
Partial correlation 11 (10.4%) 
Wavelet correlation 6 (5.7%) 
Causal modeling (e.g., SEM3 (2.8%) 
Other/unclear 4 (3.7%) 
  
d. Treatment of negative edgesn (frequency)
Not reported/unclear 61 (57.5%) 
Discard negative values 23 (21.7%) 
Absolute value 10 (9.4%) 
Maintained/analyzed 9 (8.5%) 
Other transformation 3 (2.8%) 
a. Network constructionn (frequency)
Comprehensive region sampling 80 (75.5%) 
Targeted region sampling 26 (24.5%) 
  
b. Edge definitionn (frequency)
Weighted network 48 (45.3%) 
Binary network 42 (39.6%) 
Both 13 (12.3%) 
Unknown/unclear 3 (2.8%) 
  
c. Edge FC statisticn (frequency)
Correlation (typically, Pearson’s r82 (77.3%) 
Partial correlation 11 (10.4%) 
Wavelet correlation 6 (5.7%) 
Causal modeling (e.g., SEM3 (2.8%) 
Other/unclear 4 (3.7%) 
  
d. Treatment of negative edgesn (frequency)
Not reported/unclear 61 (57.5%) 
Discard negative values 23 (21.7%) 
Absolute value 10 (9.4%) 
Maintained/analyzed 9 (8.5%) 
Other transformation 3 (2.8%) 

Note. FC = functional connectivity; SEM = structural equation modeling.

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