{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T04:13:23Z","timestamp":1791346403250,"version":"4.3.1"},"reference-count":35,"publisher":"Acoustical Society of America (ASA)","issue":"6","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,12,1]]},"abstract":"<jats:p>Perception of electrical stimuli varies widely across users of cochlear implants and across stimulation sites in individual users. It is commonly assumed that the ability of subjects to detect and discriminate electrical signals is dependent, in part, on conditions in the implanted cochlea, but evidence supporting that hypothesis is sparse. The objective of this study was to define specific relationships between the survival of tissues near the implanted electrodes and the functional responses to electrical stimulation of those electrodes. Psychophysical and neurophysiological procedures were used to assess stimulus detection as a function of pulse rate under the various degrees of cochlear pathology. Cochlear morphology, assessed post-mortem, ranged from near-normal numbers of hair cells, peripheral processes and spiral ganglion cells, to complete absence of hair cells and peripheral processes and small numbers of surviving spiral ganglion cells. The psychophysical and neurophysiological studies indicated that slopes and levels of the threshold versus pulse rate functions reflected multipulse integration throughout the 200 ms pulse train with an additional contribution of interactions between adjacent pulses at high pulse rates. The amount of multipulse integration was correlated with the health of the implanted cochlea with implications for perception of more complex prosthetic stimuli.<\/jats:p>","DOI":"10.1121\/1.3651820","type":"journal-article","created":{"date-parts":[[2011,12,16]],"date-time":"2011-12-16T00:34:53Z","timestamp":1323995693000},"page":"3954-3968","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":56,"title":["Detection of pulse trains in the electrically stimulated cochlea: Effects of cochlear health"],"prefix":"10.1121","volume":"130","author":[{"given":"Bryan E.","family":"Pfingst","sequence":"first","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deborah J.","family":"Colesa","sequence":"additional","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sheena","family":"Hembrador","sequence":"additional","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen Y.","family":"Kang","sequence":"additional","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John C.","family":"Middlebrooks","sequence":"additional","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yehoash","family":"Raphael","sequence":"additional","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gina L.","family":"Su","sequence":"additional","affiliation":[{"name":"University of Michigan Kresge Hearing Research Institute, Department of Otolaryngology, , 1150 West Medical Center Drive, Ann Arbor, Michigan 48109-5616"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2011,12,15]]},"reference":[{"key":"2023073107562928000_c1","doi-asserted-by":"publisher","first-page":"1642","DOI":"10.1121\/1.2436712","article-title":"\u201cThreshold and channel interaction in cochlear implant users: Evaluation of the tripolar electrode configuration,\u201d","volume":"121","year":"2007","journal-title":"J. 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