Application of a pitch perception model to investigate the effect of stimulation field spread on the pitch ranking abilities of cochlear implant recipients
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2014-10-01
Source Title
Hearing Research
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ELSEVIER SCIENCE BV
Melbourne Authors
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Medical Bionics
Electrical and Electronic Engineering
Electrical and Electronic Engineering
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Journal Article
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Erfanian Saeedi, N., Blamey, P. J., Burkitt, A. N. & Grayden, D. B. (2014). Application of a pitch perception model to investigate the effect of stimulation field spread on the pitch ranking abilities of cochlear implant recipients. Hearing Research, 316, pp.129-137. https://doi.org/10.1016/j.heares.2014.08.006.
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Open Access
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Abstract
Although many cochlear implant (CI) recipients perceive speech very well in favorable conditions, they still have difficulty with music, speech in noisy environments, and tonal languages. Studies show that CI users' performance in these tasks are correlated with their ability to perceive pitch. The spread of stimulation field from the electrodes to the auditory nerve is one of the factors affecting performance. This study proposes a model of auditory perception to predict the performance of CI users in pitch ranking tasks using an existing sound processing scheme. The model is then used as a platform to investigate the effect of stimulation field spread on performance.