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Table 4 Pearson's product-moment correlation coefficients for different pairings between left/right upper limb MI ERD/ERS ratio in μ/β band and a rehabilitation outcome measure recorded over whole of the intervention period.

From: Applying a brain-computer interface to support motor imagery practice in people with stroke for upper limb recovery: a feasibility study

 

P1

P2

P3

P4

P5

ERD/ERS μ (C3L) vs McI

0.31

   

-0.52

ERD/ERS μ (C3L) vs ARAT

 

0.45

-0.61

-0.22

 

ERD/ERS μ (C3L) vs GS

0.12

-0.06

-0.61

0.05

-0.50

ERD/ERS μ (C4L) vs ARAT

 

0.50

0.12

-0.05

 

ERD/ERS μ (C4L) vs NHPT

 

0.50

0.46

0.02

0.00

ERD/ERS μ (C4L) vs GS

-0.17

0.32

-0.74

-0.03

-0.05

ERD/ERS μ (C3R) vs GS

0.15

0.14

-0.64

-0.10

-0.58

ERD/ERS μ (C4R) vs GS

-0.27

-0.37

-0.72

0.20

0.02

ERD/ERS β (C3L) vs GS

-0.15

0.04

-0.63

0.01

-0.38

ERD/ERS μ (C4L) vs ARAT

 

0.23

0.30

-0.69

 

ERD/ERS μ (C4L) vs NHPT

 

0.23

0.53

-0.48

0.00

ERD/ERS μ (C4L) vs GS

0.77

0.10

-0.21

-0.05

-0.38

ERD/ERS β (C3R) vs McI

0.61

   

-0.09

ERD/ERS β (C3R) vs ARAT

 

0.46

-0.33

-0.50

 

ERD/ERS β (C3R) vs GS

-0.42

0.40

-0.35

-0.08

-0.63

ERD/ERS β (C4R) vs McI

0.17

   

-0.76

ERD/ERS β (C4R) vs NHPT

 

0.36

0.60

-0.23

0.00

ERD/ERS β (C4R) vs GS

-0.10

0.05

-0.38

0.26

-0.51

  1. Some entries are blank because no coefficient could be computed, as the corresponding outcome scores remained unchanged.