Table 1.

Behavioral setup.

Set	Tapping type	Subjects	Beeps	Signals	Repetitions
A	Random	13	10	Acc, Prox	12
A	Rhythm	13	10	Acc, Prox	12
B	Random	16	30	Acc, Prox, EMG	6
B	Rhythmic	16	30	Acc, Prox, EMG	4
B	Syncopation	16a	30	Acc, Prox, EMG	4
B and C	Self-paced	30	-	Acc, Prox, EMG	1
C	Joining the rhythm	15	20b	Acc, Prox, EMG	2

^aTwo subjects whose reaction time (RT) STDs were exceptionally high were eliminated from the analysis.

^bOnly the last 10 sounds included tapping.