Table 3

Correlation coefficients between the age of commencing piano training and individual movement variables during the repetitive keystrokes
Index Middle Ring Little
IKI-mean IKI-SD CD-mean CD-SD IKI-mean IKI-SD CD-mean CD-SD IKI-mean IKI-SD CD-mean CD-SD IKI-mean IKI-SD CD-mean CD-SD
Right RaLc 0.24 −0.77 0.21 −0.45 0.38 −0.05 −0.17 −0.27 0.40 −0.44 −0.25 0.22 −0.51 −0.08 −0.47 −0.19
RcLa −0.41 −0.50 −0.31 −0.20 0.05 0.04 0.15 −0.24 0.04 0.09 0.07 −0.29 −0.47 −0.32 −0.06 −0.06
sham 0.39 0.42 −0.27 0.05 −0.21 0.16 0.27 0.00 0.02 −0.37 0.43 0.07 −0.32 −0.20 −0.10 0.16
Left RaLc −0.05 −0.04 −0.55 −0.50 0.25 0.33 0.33 0.46 −0.17 0.02 −0.37 0.35 −0.35 −0.15 −0.69 0.03
RcLa −0.31 0.01 −0.14 0.02 −0.14 −0.60 0.15 −0.22 −0.07 −0.35 −0.20 0.11 −0.25 −0.06 −0.08 0.41
sham −0.33 −0.36 0.36 −0.14 −0.20 0.40 0.30 0.43 −0.03 0.41 −0.06 0.28 0.21 0.27 −0.28 −0.03

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

A number in bold indicates a significant correlation (p < 0.05).

Furuya et al.

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

Open Data