Table 1

The group mean and standard deviation of the variables evaluated across pianists
Right hand Left hand
RaLc RcLa sham RaLc RcLa sham
Pre Post Pre Post Pre Post Pre Post Pre Post Pre Post
Trained keystrokes IKI SD mean 11.0 9.8 11.7 10.3 11.5 10.1 9.9 10.2 11.2 10.3 10.8 9.7
SD 3.7 2.4 3.8 2.7 3.2 2.5 1.8 2.2 1.8 2.5 2.8 3.0
CD SD mean 17.1 16.2 19.0 16.4 16.4 16.7 14.2 14.7 15.9 14.0 15.0 17.5
SD 3.9 4.2 4.6 3.2 3.9 4.8 3.7 3.9 3.6 3.6 3.6 9.9
Finger tapping IK-mean I mean 144.2 142.9 146.2 143.0 140.9 144.2 154.5 154.0 153.1 153.5 153.3 155.6
SD 10.6 13.9 13.2 10.9 11.8 13.4 13.5 14.6 14.0 11.4 12.6 14.2
M mean 156.1 153.4 152.7 153.2 153.3 154.6 164.3 167.0 167.0 166.3 165.0 168.2
SD 14.3 17.5 17.2 14.7 11.5 26.0 12.8 14.9 12.9 14.7 10.6 13.9
R mean 184.5 179.7 175.6 174.4 178.1 172.4 189.1 187.0 199.3 188.1 187.2 181.4
SD 37.4 25.2 26.6 23.7 14.3 8.9 27.7 26.5 61.5 27.9 25.5 26.0
L mean 158.6 161.8 160.1 165.6 155.5 158.6 175.4 168.8 172.6 168.6 170.2 169.2
SD 11.7 13.8 13.4 18.1 10.7 13.4 16.7 14.3 13.2 12.1 10.5 10.9
IKI-SD I mean 12.7 11.3 13.1 11.9 13.0 12.4 15.8 13.0 18.1 14.6 17.7 15.1
SD 6.2 4.2 5.8 4.3 6.2 5.5 5.2 6.1 9.3 5.4 8.5 8.2
M mean 24.2 21.2 25.9 22.8 21.5 22.3 18.6 19.0 24.0 21.5 19.4 18.2
SD 14.4 11.5 13.6 12.7 15.9 17.5 6.9 6.6 10.0 9.8 8.1 5.9
R mean 34.7 33.3 30.9 32.9 31.9 31.7 34.0 28.2 33.5 28.5 26.0 25.5
SD 21.2 24.3 24.2 22.2 16.6 20.3 19.8 17.4 29.5 19.9 20.7 17.0
L mean 19.9 25.8 21.3 24.4 21.2 25.0 17.9 17.0 18.5 23.7 18.8 20.7
SD 8.3 14.8 9.1 18.1 10.0 17.9 7.0 7.6 6.5 8.4 7.8 8.2
CD-mean I mean 42.8 43.7 45.9 41.9 41.8 44.4 56.9 51.9 58.9 57.9 50.7 57.5
SD 12.0 15.1 14.2 9.2 12.8 11.1 17.4 15.0 15.4 18.6 12.5 16.3
M mean 55.0 52.7 61.0 58.3 63.7 52.5 65.3 62.5 65.8 66.7 62.2 62.8
SD 8.5 13.2 22.4 18.4 31.3 14.2 17.8 16.6 20.6 22.4 19.3 19.0
R mean 84.5 76.2 75.6 65.2 68.2 62.9 90.2 78.0 80.8 78.9 78.2 79.2
SD 43.5 32.4 22.9 16.5 18.9 19.1 23.0 21.4 19.6 25.8 22.5 21.0
L mean 59.4 64.0 61.5 62.0 58.8 60.7 78.2 68.9 69.8 61.4 71.6 66.1
SD 19.3 27.0 19.7 18.5 18.2 20.2 24.3 18.0 22.5 17.3 21.3 19.0
CD-SD I mean 8.3 7.2 7.3 6.7 7.8 8.2 13.2 10.0 13.4 11.2 10.6 11.0
SD 4.8 3.2 3.1 3.6 4.9 5.7 6.1 4.3 3.9 3.9 4.3 3.7
M mean 13.7 11.2 13.1 11.3 13.4 12.0 14. 15.0 16.0 14.8 14.9 12.7
SD 6.2 6.3 5.6 5.9 9.1 10.2 5.8 6.3 5.6 8.7 6.5 4.7
R mean 20.0 19.2 17.9 14.2 17.7 14.5 18.5 17.9 20.7 19.3 17.6 18.7
SD 12.6 11.7 6.4 4.6 8.7 5.3 5.6 7.2 7.8 11.6 7.2 6.5
L mean 12.5 15.8 14.7 12.6 10.6 11.4 15.5 14.9 14.8 14.7 15.9 15.1
SD 5.5 12.1 5.2 5.3 4.5 4.4 5.8 5.1 5.9 6.3 5.4 6.5

IKI: inter-keystroke interval, CD: finger-key contact duration.

I, M, R, L indicates the index, middle, ring and little fingers, respectively.

Pre, post indicates pretest and posttest, respectively.

Furuya et al.

Furuya et al. BMC Neuroscience 2013 14:35   doi:10.1186/1471-2202-14-35

Open Data