Search Results - "Fitzpatrick, Douglas"
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Impedance Measures During in vitro Cochlear Implantation Predict Array Positioning
Published in IEEE transactions on biomedical engineering (01-02-2018)“…Objective: Improper electrode placement during cochlear implant (CI) insertion can adversely affect speech perception outcomes. However, the intraoperative…”
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2
Light sheet microscopy of the gerbil cochlea
Published in Journal of comparative neurology (1911) (01-03-2021)“…Light sheet fluorescence microscopy (LSFM) provides a rapid and complete three‐dimensional image of the cochlea. The method retains anatomical relationships—on…”
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3
Hair cell and neural contributions to the cochlear summating potential
Published in Journal of neurophysiology (01-06-2019)“…The cochlear summating potential (SP) to a tone is a baseline shift that persists for the duration of the burst. It is often considered the most enigmatic of…”
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4
Intracochlear Electrocochleography: Response Patterns During Cochlear Implantation and Hearing Preservation
Published in Ear and hearing (01-07-2019)“…OBJECTIVES:Electrocochleography (ECochG) obtained through a cochlear implant (CI) is increasingly being tested as an intraoperative monitor during implantation…”
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A Model-Based Approach for Separating the Cochlear Microphonic from the Auditory Nerve Neurophonic in the Ongoing Response Using Electrocochleography
Published in Frontiers in neuroscience (23-10-2017)“…Electrocochleography (ECochG) is a potential clinically valuable technique for predicting speech perception outcomes in cochlear implant (CI) recipients, among…”
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6
Distinguishing hair cell from neural potentials recorded at the round window
Published in Journal of neurophysiology (01-02-2014)“…Almost all patients who receive cochlear implants have some acoustic hearing prior to surgery. Electrocochleography (ECoG), or electrophysiological measures of…”
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Round Window Electrocochleography to Low Frequency Tones in Pediatric Cochlear Implant Recipients with and Without Auditory Neuropathy Spectrum Disorder: Separating Hair Cell and Neural Contributions Using a Computational Model
Published in Otology & neurotology (01-08-2022)“…Characterize the contribution of the auditory nerve neurophonic (ANN) to electrocochleography (ECochG) of pediatric cochlear implant (CI) recipients with and…”
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8
Round window electrocochleography before and after cochlear implant electrode insertion
Published in The Laryngoscope (01-05-2016)“…Objective/Hypothesis Previous reports have documented the feasibility of utilizing electrocochleographic (ECoG) responses to acoustic signals to assess trauma…”
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Relationship Between Electrocochleography, Angular Insertion Depth, and Cochlear Implant Speech Perception Outcomes
Published in Ear and hearing (01-07-2021)“…Electrocochleography (ECochG), obtained before the insertion of a cochlear implant (CI) array, provides a measure of residual cochlear function that accounts…”
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10
Residual Cochlear Function in Adults and Children Receiving Cochlear Implants: Correlations With Speech Perception Outcomes
Published in Ear and hearing (01-05-2019)“…OBJECTIVES:Variability in speech perception outcomes with cochlear implants remains largely unexplained. Recently, electrocochleography, or measurements of…”
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11
Promontory Electrocochleography Recordings to Predict Speech-Perception Performance in Cochlear Implant Recipients
Published in Otology & neurotology (01-09-2022)“…OBJECTIVE1) To determine the relationship of electrocochleography (ECochG) responses measured on the promontory with responses measured at the round window…”
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12
Intracochlear Electrocochleography During Cochlear Implantation
Published in Otology & neurotology (01-09-2014)“…OBJECTIVEElectrophysiologic responses to acoustic stimuli are present in nearly all cochlear implant recipients when measured at the round window (RW)…”
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13
Neural Contributions to the Cochlear Summating Potential: Spiking and Dendritic Components
Published in Journal of the Association for Research in Otolaryngology (01-06-2022)“…Using electrocochleography, the summating potential (SP) is a deflection from baseline to tones and an early rise in the response to clicks. Here, we use…”
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14
Patterns Seen During Electrode Insertion Using Intracochlear Electrocochleography Obtained Directly Through a Cochlear Implant
Published in Otology & neurotology (01-12-2017)“…HYPOTHESIS:Intraoperative, intracochlear electrocochleography (ECochG) will provide a means to monitor cochlear hair cell and neural response during cochlear…”
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15
Round Window Electrocochleography Just Before Cochlear Implantation: Relationship to Word Recognition Outcomes in Adults
Published in Otology & neurotology (01-01-2014)“…HYPOTHESESElectrocochleography (ECoG) to acoustic stimuli can differentiate relative degrees of cochlear responsiveness across the population of cochlear…”
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16
Intraoperative round window recordings to acoustic stimuli from cochlear implant patients
Published in Otology & neurotology (01-12-2012)“…Acoustically evoked neural and hair cell potentials can be measured from the round window (RW) intraoperatively in the general population of cochlear implant…”
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17
Surgical procedure of intratympanic injection and inner ear pharmacokinetics simulation in domestic pigs
Published in Frontiers in pharmacology (2024)“…One major obstacle in validating drugs for the treatment or prevention of hearing loss is the limited data available on the distribution and concentration of…”
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18
Lack of neural contributions to the summating potential in humans with Meniere's disease
Published in Frontiers in neuroscience (07-12-2022)“…To investigate the electrophysiology of the cochlear summating potential (SP) in patients with Meniere's disease (MD). Although long considered a purely hair…”
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Assessing Cochlear Implant Insertion Angle From an Intraoperative X-ray Using a Rotating 3D Helical Scala Tympani Model
Published in Otology & neurotology (01-07-2020)“…Angular insertion depth (AID) of the electrode array provides valuable information regarding intracochlear positioning, which can be used to predict outcomes…”
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20
Response Changes During Insertion of a Cochlear Implant Using Extracochlear Electrocochleography
Published in Ear and hearing (01-11-2018)“…OBJECTIVES:Electrocochleography is increasingly being utilized as an intraoperative monitor of cochlear function during cochlear implantation (CI)…”
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