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Table 3 Results of the correlation between the scores obtained for the two clinical scales, FMA and MMT, and each of the graph theory derived indices which significantly characterized the CMC patterns in stroke patients during AH condition

From: Exploring high-density corticomuscular networks after stroke to enable a hybrid Brain-Computer Interface for hand motor rehabilitation

 

FMA Hand

MMT

 

Extension

Grasping

Extension

Grasping

 

Alpha

Beta

Gamma

Alpha

Beta

Gamma

Alpha

Beta

Gamma

Alpha

Beta

Gamma

CMC weight

0.75*

0.72*

0.59*

0.36

0.46

0.44

0.57

0.53

0.49

0.62*

0.62*

0.58*

ND

− 0.55

− 0.55

− 0.52

− 0.54

− 0.53

− 0.58*

− 0.25

− 0.25

− 0.23

− 0.28

− 0.27

− 0.33

DIS

− 0.59*

− 0.59*

− 0.41

− 0.52

− 0.5

− 0.59*

− 0.24

− 0.28

− 0.12

− 0.27

− 0.26

− 0.31

DUS

− 0.53

− 0.3

− 0.44

− 0.35

− 0.2

− 0.17

− 0.3

− 0.12

− 0.3

− 0.06

− 0.002

0.08

DPDR

0.48

0.14

0.16

0.55

0.39

0.55

0.2

− 0.15

− 0.18

0.46

0.59*

0.48

  1. The analysis was repeated for each frequency band (alpha, beta and gamma) and each movement (Ext, Grasp). ND: network density; DIS: density involved side; DUS: density uninvolved side; DPDR: distal/proximal degree ratio
  2. * indicates statistical significance