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Evaluation of an imputed pitch velocity model of the auditory kappa effect

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Henry, M., & McAuley, J. D. (2009). Evaluation of an imputed pitch velocity model of the auditory kappa effect. Journal of Experimental Psychology: Human Perception and Performance, 35(2), 551-564. doi:10.1037/0096-1523.35.2.551.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0012-0B33-C
Abstract
Three experiments evaluated an imputed pitch velocity model of the auditory kappa effect. Listeners heard 3-tone sequences and judged the timing of the middle (target) tone relative to the timing of the 1st and 3rd (bounding) tones. Experiment 1 held pitch constant but varied the time (T) interval between bounding tones (T = 728, 1,000, or 1,600 ms) in order to establish baseline performance levels for the 3 values of T. Experiments 2 and 3 combined the values of T tested in Experiment 1 with a pitch manipulation in order to create fast (8 semitones/728 ms), medium (8 semitones/1,000 ms), and slow (8 semitones/1,600 ms) velocity conditions. Consistent with an auditory motion hypothesis, distortions in perceived timing were larger for fast than for slow velocity conditions for both ascending sequences (Experiment 2) and descending sequences (Experiment 3). Overall, results supported the proposed imputed pitch velocity model of the auditory kappa effect.