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Table 2. 

Hub Regions Evaluated by Weighted Degree Centrality Scores

Rank
AP Musicians
RP Musicians
Nonmusicians
Degree
Node
Degree
Node
Degree
Node
39.8 Right subcentral gyrus and sulcus 50.3 Right supramarginal gyrus 47.5 Left posterior dorsal cingulate cortex 
38.0 Left pars triangularis 48.9 Left orbital gyrus 46.0 Right mid-posterior cingulate cortex 
35.6 Right posterior segment of SF 48.9 Left precuneus 45.4 Left inferior part of precentral sulcus 
34.5 Left pars opercularis 47.2 Right orbital gyrus 44.4 Right superior circular insular sulcus 
33.8 Left superior circular insular sulcus 45.4 Left STS 43.1 Left mid-posterior cingulate cortex 
33.5 Left lateral aspect of STG 44.9 Right precuneus 42.4 Right subcentral gyrus and sulcus 
32.8 Right lateral aspect of STG 44.3 Right middle temporal gyrus 41.5 Left parieto-occipital sulcus 
32.4 Right anterior vertical segment of SF 43.1 Left supramarginal gyrus 41.2 Left superior part of precentral sulcus 
32.4 Right insular long gyrus and central sulcus 42.7 Right STS 40.0 Right superior frontal sulcus 
10 32.0 Left planum polare 41.3 Right planum temporale 39.8 Right pars triangularis 
11 32.0 Left subcentral gyrus and sulcus 41.2 Left middle temporal gyrus 39.8 Right middle frontal sulcus 
12 32.0 Left temporal pole 41.0 Left subcentral gyrus and sulcus 39.6 Left marginal cingulate sulcus 
13 30.4 Right fusiform gyrus 40.7 Right parieto-occipital sulcus 39.0 Left superior frontal gyrus 
14 30.4 Left STS 40.1 Right parahippocampal gyrus 38.0 Right marginal cingulate sulcus 
15 30.3 Left subparietal sulcus 40.1 Left parahippocampal gyrus 37.9 Left precuneus 
16 30.1 Right supramarginal gyrus 38.4 Left Heschl's gyrus 36.8 Left subcentral gyrus and sulcus 
17 30.0 Left inferior occipital gyrus and sulcus 38.2 Left superior frontal gyrus 36.6 Right superior part of precentral sulcus 
18 29.9 Right pars triangularis 37.6 Left parieto-occipital sulcus 36.4 Right intraparietal sulcus 
19 29.7 Right planum temporale 37.5 Right middle frontal gyrus 36.0 Right middle frontal gyrus 
20 29.6 Right Heschl's gyrus 37.3 Right posterior segment of SF 36.0 Right posterior collateral sulcus 
Rank
AP Musicians
RP Musicians
Nonmusicians
Degree
Node
Degree
Node
Degree
Node
39.8 Right subcentral gyrus and sulcus 50.3 Right supramarginal gyrus 47.5 Left posterior dorsal cingulate cortex 
38.0 Left pars triangularis 48.9 Left orbital gyrus 46.0 Right mid-posterior cingulate cortex 
35.6 Right posterior segment of SF 48.9 Left precuneus 45.4 Left inferior part of precentral sulcus 
34.5 Left pars opercularis 47.2 Right orbital gyrus 44.4 Right superior circular insular sulcus 
33.8 Left superior circular insular sulcus 45.4 Left STS 43.1 Left mid-posterior cingulate cortex 
33.5 Left lateral aspect of STG 44.9 Right precuneus 42.4 Right subcentral gyrus and sulcus 
32.8 Right lateral aspect of STG 44.3 Right middle temporal gyrus 41.5 Left parieto-occipital sulcus 
32.4 Right anterior vertical segment of SF 43.1 Left supramarginal gyrus 41.2 Left superior part of precentral sulcus 
32.4 Right insular long gyrus and central sulcus 42.7 Right STS 40.0 Right superior frontal sulcus 
10 32.0 Left planum polare 41.3 Right planum temporale 39.8 Right pars triangularis 
11 32.0 Left subcentral gyrus and sulcus 41.2 Left middle temporal gyrus 39.8 Right middle frontal sulcus 
12 32.0 Left temporal pole 41.0 Left subcentral gyrus and sulcus 39.6 Left marginal cingulate sulcus 
13 30.4 Right fusiform gyrus 40.7 Right parieto-occipital sulcus 39.0 Left superior frontal gyrus 
14 30.4 Left STS 40.1 Right parahippocampal gyrus 38.0 Right marginal cingulate sulcus 
15 30.3 Left subparietal sulcus 40.1 Left parahippocampal gyrus 37.9 Left precuneus 
16 30.1 Right supramarginal gyrus 38.4 Left Heschl's gyrus 36.8 Left subcentral gyrus and sulcus 
17 30.0 Left inferior occipital gyrus and sulcus 38.2 Left superior frontal gyrus 36.6 Right superior part of precentral sulcus 
18 29.9 Right pars triangularis 37.6 Left parieto-occipital sulcus 36.4 Right intraparietal sulcus 
19 29.7 Right planum temporale 37.5 Right middle frontal gyrus 36.0 Right middle frontal gyrus 
20 29.6 Right Heschl's gyrus 37.3 Right posterior segment of SF 36.0 Right posterior collateral sulcus 

Shown are the 20 nodes (hubs) with the highest degree centrality scores within each network. Statistical testing revealed that peri-sylvian areas are significantly more often hub regions within the network of AP musicians (p = 4.26E−06). In RP musicians, there is a trend for peri-sylvian brain areas being more often hubs (p = .43) and nonmusicians (p = .099). The hubs within the peri-sylvian brain are printed in bold. SF = Sylvian fissure; STG = superior temporal gyrus.

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