Abstract
Response times (RTs) were determined for the detection of linear accelerations and decelerations in the tempo of subfusional acoustic pulse trains. 4 basal repetition rates (2, 5, 8, and 11 pulses/sec.) were used with 5 rates of change (0.1, 0.3, 0.5, 0.7, 0.9 pulses/sec.). RTs were a negatively accelerated decreasing function of the rate of acceleration or deceleration of the pulse trains. RTs to accelerations in tempo were faster than to decelerations but only with a base rate of 11 pulses/sec. and a rate of change of 0.1 pulses/sec. Over-all speed of response was inversely related to basal repetition rate, principally with decelerations in tempo at 0.1 pulses/sec. A model based upon the temporal analysis of the metric properties of the stimuli was insufficient to account for these results.
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