Gender identification of human voices was studied in a juvenile population of cochlear implant (CI) users exposed to naturalistic speech stimuli from 20 male and 20 female speakers using two different voice gender perception tasks. Stimulus output patterns were recorded from each individual CI for each stimulus, and features related to voice fundamental frequency and spectral envelope were extracted from these electrical output signals to evaluate the relationship between implant output and behavioral performance. In spite of the fact that temporal and place cues of similar quality were produced by all CI devices, only about half of the subjects were able to label male and female voices correctly. Participants showed evidence of using available temporal cues, but showed no evidence of using place cues. The implants produced a consistent and novel cue to voice gender that participants did not appear to utilize. A subgroup of participants could discriminate male and female voices when two contrasting voices were presented in succession, but were unable to identify gender when voices were singly presented. It is suggested that the nature of long-term auditory categorical memories needs to be studied in more detail in these individuals.
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August 2009
August 01 2009
Voice gender perception by cochlear implanteesa)
Damir Kovačić;
Damir Kovačić
c)
Cognitive Neuroscience Sector,
Scuola Internazionale Superiore di Studi Avanzati (SISSA)
, Via Lionello Stock 2/2, 34135 Trieste, Italy and SUVAG Polyclinic, Kneza LJ. Posavskog 10, 10000 Zagreb, Croatia
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Evan Balaban
Evan Balaban
Behavioral Neurosciences Program, Stewart Biological Sciences Building,
McGill University
, 1205 Avenue Dr. Penfield, Montreal, Quebec H3A 1B1, Canada and Laboratorio de Imagen Médica, Hospital General Universitario Gregorio Marańón, Calle Dr. Esquerdo 46, 28007 Madrid, Spain
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c)
Author to whom correspondence should be addressed. Present address: Laboratory of Auditory Neurophysiology, K.U. Leuven, Campus Gasthuisberg O&N 2, Herestraat 49 bus 1021, B-3000 Leuven, Belgium. Electronic mail: Damir.Kovacic@med.kuleuven.be
a)
Portions of these data were presented at the Conference for Implantable Auditory Prosthesis 2007, Lake Tahoe, CA.
J. Acoust. Soc. Am. 126, 762–775 (2009)
Article history
Received:
June 05 2008
Accepted:
May 26 2009
Citation
Damir Kovačić, Evan Balaban; Voice gender perception by cochlear implantees. J. Acoust. Soc. Am. 1 August 2009; 126 (2): 762–775. https://doi.org/10.1121/1.3158855
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