The octave illusion occurs when each ear receives a sequence of tones alternating by 1 octave but with the high and low tones in different ears. Most listeners perceive these stimuli as a high pitch in one ear alternating with a low pitch in the other ear. D. Deutsch and P. L. Roll (1976) interpreted this phenomenon as evidence for a what-where division of auditory processing caused by sequential interactions between the tones. They argued that the pitch follows the frequency presented to the dominant ear but is lateralized toward the higher frequency component. This model was examined in 4 experiments. Results indicate that the perceived pitch approximates the fundamental frequency and that the illusion does not depend on sequential interactions. The octave illusion may arise from an interaction between dichotic fusion and binaural diplacusis rather than from suppression as proposed by Deutsch.
CITATION STYLE
Chambers, C. D., Mattingley, J. B., & Moss, S. A. (2002). The octave illusion revisited: Suppression or fusion between ears? Journal of Experimental Psychology: Human Perception and Performance, 28(6), 1288–1302. https://doi.org/10.1037/0096-1523.28.6.1288
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