Search Results - "Harrison, R V"

Blood Capillary Distribution Correlates with Hemodynamic-based Functional Imaging in Cerebral Cortex by Harrison, Robert V., Harel, Noam, Panesar, Jaswinder, Mount, Richard J.

“…Our study concerns the mechanisms that underlie functional imaging of sensory areas of cortex using hemodynamic-based methods such as optical imaging of…”
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Binary partitioning for continuous longitudinal data: categorizing a prognostic variable by Abdolell, M., LeBlanc, M., Stephens, D., Harrison, R. V.

“…We investigate a binary partitioning algorithm in the case of a continuous repeated measures outcome. The procedure is based on the use of the likelihood ratio…”
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Auditory brainstem activity and development evoked by apical versus basal cochlear implant electrode stimulation in children by Gordon, K.A, Papsin, B.C, Harrison, R.V

“…Abstract Objective The role of apical versus basal cochlear implant electrode stimulation on central auditory development was examined. We hypothesized that,…”
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Amplitude modulation of DPOAEs by acoustic stimulation of the contralateral ear by Harrison, >R.V., Sharma, A., Brown, T., Jiwani, S., James, A.L.

“…Conclusion. Otoacoustic emissions generated by outer hair cells (OHCs) are influenced by stimulation of the contralateral ear via a neural pathway involving…”
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An Animal Model of Auditory Neuropathy by Harrison, Robert V

“…OBJECTIVE:We describe an animal model of auditory neuropathy in which subjects have extensive, scatered inner haircell loss but with a relatively intact outer…”
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Plasticity of tonotopic maps in auditory midbrain following partial cochlear damage in the developing chinchilla by HARRISON, R. V, IBRAHIM, D, MOUNT, R. J

“…There is substantial reorganization of the midbrain (inferior colliculus) tonotopic map following neonatally induced partial cochlear lesions in the…”
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Reorganization of auditory cortex after neonatal high frequency cochlear hearing loss by Harrison, R V, Nagasawa, A, Smith, D W, Stanton, S, Mount, R J

“…Cochleotopic representation in cortex (AI) is extensively reorganized in cats having neonatal, bilateral high frequency cochlear hearing loss. Anterior areas…”
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Cochlear function after selective inner hair cell degeneration induced by carboplatin by Takeno, S, Harrison, R V, Ibrahim, D, Wake, M, Mount, R J

“…The ototoxicity of carboplatin, a second generation anti-cancer agent, was examined using the chinchilla as an animal model. In animals treated with a clinical…”
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Arterial Blood Supply to the Auditory Cortex of the Chinchilla by Panesar, Hormoz Hamrahi, Noam Harel, Naoki Mori, Richard J. Mount, Robert V. Harrison, Jaswinder

“…Utilizing optical imaging we identified and named the arteries that supply the primary auditory cortex in the chinchilla ( Chinchilla laniger ). The primary…”
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Neonatal cochlear hearing loss results in developmental abnormalities of the central auditory pathways by Harrison, R V, Stanton, S G, Ibrahim, D, Nagasawa, A, Mount, R J

“…We have used animal models of long term neonatal cochlear hearing loss to study developmental plasticity of the central auditory pathways. Newborn chinchilla…”
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Visual and auditory neurotoxicity in patients receiving subcutaneous deferoxamine infusions by Olivieri, N F, Buncic, J R, Chew, E, Gallant, T, Harrison, R V, Keenan, N, Logan, W, Mitchell, D, Ricci, G, Skarf, B

“…Of 89 patients receiving nightly subcutaneous deferoxamine for transfusion-dependent thalassemia major or Diamond-Blackfan anemia, 13 presented with visual…”
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Speech Perception Outcome Measures in Prelingually Deaf Children up to Four Years after Cochlear Implantation by Papsin, Blake C., Gysin, Claudine, Picton, Nina, Nedzelski, Julian, Harrison, Robert V.

“…Effects of age at cochlear implantation on speech perception in congenitally deaf children are investigated in annual postoperative evaluations over a…”
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Tonotopic mapping in auditory cortex of the chinchilla by Harrison, R.V., Kakigi, A., Hirakawa, H., Harel, N., Mount, R.J.

“…Using single-unit electrophysiological methods we have mapped sound frequency (or cochleotopic) representation in the auditory cortex of the chinchilla. We…”
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Basal cochlear lesions result in increased amplitude of otoacoustic emissions by Kakigi, A, Hirakawa, H, Harel, N, Mount, R J, Harrison, R V

“…We have measured the changes in transient otoacoustic emissions (TEOAEs) and distortion product otoacoustic emissions (DPOAEs) during and after ototoxic…”
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Otoacoustic emission amplification after inner hair cell damage by Wake, M, Anderson, J, Takeno, S, Mount, R J, Harrison, R V

“…Otoacoustic emissions (OAEs) are considered to originate from active cochlear processes involving the outer hair cells (OHC). These emissions are suppressed by…”
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Local Haemodynamic Changes Associated with Neural Activity in Auditory Cortex by Harrison, R V, Harel, N, Hamrahi, H, Panesar, J, Mori, N, Mount, R J

“…We used an optical technique to study haemodynamic changes associated with acoustically driven activity in auditory cortex of the chinchilla. Such changes are…”
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Influence of acoustic deprivation on recovery of hair cells after acoustic trauma by Fukushima, N, White, P, Harrison, R V

“…The purpose of this study was to investigate how the recovery of the cochlea, after acoustic trauma, might be influenced by acoustic stimulation or…”
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Cerebral vascular abnormalities in a murine model of hereditary hemorrhagic telangiectasia by SATOMI, Junichiro, MOUNT, Richard J, TOPORSIAN, Mourad, PATERSON, Andrew D, WALLACE, Christopher, HARRISON, Robert V, LETARTE, Michelle

“…Hereditary hemorrhagic telangiectasia type 1 (HHT1) is an autosomal dominant vascular dysplasia caused by mutations in the endoglin gene and characterized by…”
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Carboplatin ototoxicity in the chinchilla: lesions of the vestibular sensory epithelium by Mount, R J, Takeno, S, Wake, M, Harrison, R V

“…Carboplatin (cis-Diammine-1,1-cyclobutane dicarboxylate platinum II; CBDCA) is a second generation platinum analog with less nephrotoxicity and cochlear…”
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Recording from the inferior colliculus following cochlear inner hair cell damage by Wake, M, Takeno, S, Mount, R J, Harrison, R V

“…The anti-cancer drug carboplatin has been used to generate inner hair cell (IHC) lesions in the cochleae of chinchilla. This model has provided a valuable…”
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