Table 1

Mean ± SEM participant characteristics and baseline excitability measures before tDCS
Sham Unilateral Bilateral P-value
AMT (%) 30.36± 30.36± 29.36± 0.89
1.71 1.67 1.60
SI (130% AMT) 39.09± 39.45± 38.38± 0.94
2.37 2.27 2.16
SI 1mV (%) 40.09± 38.45± 37.36± 0.76
2.78 2.56 2.32
CS (%) 23.00± 23.09± 22.18± 0.86
1.35 1.28 1.26
MMAX (mV) 10.09± 10.24± 10.13± 0.99
1.62 1.61 1.50
MEP (%MMAX) 14.80± 14.13± 13.99± 0.98
3.28 3.28 3.36
SICI ratio 29.66± 28.62± 30.07± 0.93
2.95 2.71 2.73
rmsEMG 0.056± 0.060± 0.058± 0.90
(130% AMT) 0.005 0.006 0.006
VAS 1.29± 1.10± 1.64± 0.25
0.19 0.22 0.27
Purdue 56.84± 56.23± 51.04± 0.25
Pegboard 40.80 2.89 3.13 0.069

Values are mean ± SEM. AMT, Active motor threshold; CS, conditioning stimulus; SI stimulation intensity to produce 1mV, MMAX, maximum, M-wave; VAS, visual analogue scale.

Kidgell et al.

Kidgell et al. BMC Neuroscience 2013 14:64   doi:10.1186/1471-2202-14-64

Open Data