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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Pain. 2011 Sep 22;152(12):2746–2756. doi: 10.1016/j.pain.2011.08.022

Table 2.

Hubs of the functional brain network

Control Rats
Rank Betweenness Degree Closeness k-core
1 CbHemis_L Cg2_L Cg2_L adCPu R, NAcc R
Cg2_L, Cg2_R
RS_L, RS_R

2 RS_R Cg2_R
RS_L
Cg2_R

3 Cg2_L PrL_L

4 PrL_L adCPu_R
RS_R
PrL_R

5 PrL_R Cg1_R

6 dHPC_R Cg1_R
PrL_L
PrL_R
RS_R

7 LS RS_L adCPu_L, Cg1_R
PrL_L, PrL_R

8 Cg2_R NAcc_R
Conditioned Rats
Rank Betweenness Degree Closeness k-core
1 NAcc_L AMYG_R
Cg1_R
PrL_R
PrL_R adCPu_L, adCPu_R
AMYG_L, AMYG_R
Cg1_R, Cg2_R
PrL_L, PrL_R

2 PrL_R NAcc_L

3 aINS_L aINS_L

4 S1_L AMYG_L AMYG_R

5 adCPu_L adCPu_L
adCPu_R
Cg2_R
Cg1_R

6 aINS_R adCPu_L

7 AMYG_L AMYG_L

8 M1_L PrL_L PrL_L

Hubs of functional brain network were identified as region of interests (ROIs) ranked in the top 25 % in four measurements of centrality. Refer to Methods for detailed descriptions of the measurements. Abbreviations are as indicated in table 1. ROIs in the right or left hemisphere are denoted with suffixes “R” “L”, respectively.