Table 3.

Results of the control tasks “Alertness” and “Motor memory”.

			Stim	Sham
			Mean ± SD	Mean ± SD
Alertness	RT (ms)	Learning Recall	314.21 ± 56.0 309.64 ± 51.8	303.93 ± 36.0 302.40 ± 44.3
Motor memory	RT (ms)	Learning Recall	427.70 ± 125.8 356.35 ± 97.3	412.89 ± 108.9 349.13 ± 100.7
	Accuracy (%)	Learning Recall	94.2 ± 1.9 94.8 ± 1.8	94.1 ± 1.3* 96.4 ± 0.9*

Stim, Stimulation; Sham, sham stimulation; SD, standard deviation; ms, milliseconds.

^*significant increase in accuracy by means of an exploratory t-test (p = 0.004).