Table 4.

Means and SD of ABR relative (peak to trough) amplitudes for waves I, III, and V (in μV) and the number of subjects showing each identifiable peak. Part A: monaural and binaural stimulation waveforms for ITD = 0 μs across both sessions. Part B: binaural waveforms for each of the non-zero ITDs.

A.
	Right Monaural			Left Monaural			Binaural
Wave	I	III	V	I	III	V	I	III	V
ITD = 0 μs (+/− 500 μs session)
Mean	.097	.158	.374	.087	.131	.384	.200	.291	.647
(SD)	(.05)	(.05)	(.13)	(.04)	(.07)	(.12)	(.11)	(.15)	(.22)
# Subjects	37	39	40	38	40	40	36	40	40
ITD = 0 μs (+/− 750 μs session)
Mean	.102	.158	.357	.099	.127	.372	.201	.286	.679
(SD)	(.05)	(.07)	(.13)	(.06)	(.07)	(.13)	(.12)	(.12)	(.23)
# Subjects	39	40	40	37	40	40	39	40	40
B.
	Binaural ITD = −750 μs			Binaural ITD = −500 μs			Binaural ITD = +500 μs			Binaural ITD = +750 μs
Wave	I	III	V	I	III	V	I	III	V	I	III	V
Mean	.131	.130	.474	.153	.133	.620	.176	.122	.671	.124	.109	.497
(SD)	(.06)	(.08)	(.16)	(.07)	(.09)	(.20)	(.16)	(.09)	(.22)	(.06)	(.10)	(.19)
# Subjects	17	40	40	31	40	40	29	39	40	23	40	40