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A note about insensitivity to pitch-change direction

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Mathias, S., Bailey, P. J., Semal, C., & Demany, L. (2011). A note about insensitivity to pitch-change direction. Journal of the Acoustical Society of America, 130(4), EL129-EL134. doi:10.1121/1.3629139.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0012-14AE-D
Abstract
Some listeners are insensitive to the direction of pure-tone frequency changes when the standard frequency is roved widely over trials, but less so when the standard frequency is fixed and trial-by-trial feedback is provided. The present experiment tested the hypothesis that fixing the standard frequency and providing feedback is advantageous for direction-impaired listeners because under these conditions the listeners can learn to respond correctly without genuinely perceiving frequency-change direction. This hypothesis was ruled out by the experiment. It appears instead that direction-impaired listeners find it difficult to ignore the irrelevant frequency changes introduced by roving.