Traditionally, the perception of an auditory event in the summing localization range is shown as a linear progression from a location between a coherent lead and lag to the lead location as the delay between them increases from 0-ms to approximately 1-ms. This experiment tested the effects of interference between temporally overlapping lead and lag stimuli on summing localization. We found that the perceived lateralization of the auditory event oscillates with the period of the center frequency of the stimulus, unlike what the traditional linear model would predict. Analysis shows that this is caused by interaural level differences due to interference between a coherent lead and lag.
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