TABLE 4.

Number of drum hits made by infants in each trial type.

Target IOI (ms)	N	Mean	SD	Median	Minimum	Maximum
400	38	23.171	12.215	22.000	4	45
500	38	25.525	13.263	24.500	6	53
600	41	22.816	13.096	24.000	4	51
700	35	18.395	10.709	16.000	4	49
SMT1	30	16.800	7.284	17.000	4	35
SMT2	26	23.500	13.064	20.000	6	51