Table 2.

The average subject performance in the training sessions 2-3 (TS), vibrotactile feedback sessions (HF), and visual feedback sessions (VF). S1–S3 were given vibrotactile feedback in sessions 4–6; conversely S4–S6 were shown visual feedback in sessions 4–6.

	S1	S2	S3	S4	S5	S6	Mean±SD
TS	62	56	65	68	67	50	61±7
HF	79	70	70	68	59	54	67±9
VF	79	65	65	79	64	53	68±10