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Narrative abilities in adolescents with CIs (Breland et al., 2021) ...
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Narrative abilities in adolescents with CIs (Breland et al., 2021) ...
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3
The Devil in the Details Can Be Hard to Spot: Malapropisms and Children With Hearing Loss
In: Lang Speech Hear Serv Sch (2021)
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4
Malapropisms and children with hearing loss (Lowenstein & Nittrouer, 2020) ...
Lowenstein, Joanna H.; Nittrouer, Susan. - : ASHA journals, 2020
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Malapropisms and children with hearing loss (Lowenstein & Nittrouer, 2020) ...
Lowenstein, Joanna H.; Nittrouer, Susan. - : ASHA journals, 2020
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6
When Language Outgrows Them: Comprehension of Ambiguous Sentences by Children with Normal Hearing or Hearing Loss
In: Int J Pediatr Otorhinolaryngol (2020)
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7
The Duality of Patterning in Language and its Relationship to Reading in Children with Hearing Loss
In: Perspect ASHA Spec Interest Groups (2020)
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8
Parental Language Input to Children With Hearing Loss: Does It Matter in the End?
In: J Speech Lang Hear Res (2019)
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9
Development of Phonological, Lexical, and Syntactic Abilities in Children With Cochlear Implants Across the Elementary Grades
Nittrouer, Susan; Muir, Meganne; Tietgens, Kierstyn. - : American Speech-Language-Hearing Association, 2018
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10
Speech Recognition in Adults With Cochlear Implants: The Effects of Working Memory, Phonological Sensitivity, and Aging
Moberly, Aaron C.; Harris, Michael S.; Boyce, Lauren. - : American Speech-Language-Hearing Association, 2017
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11
Verbal Working Memory in Older Adults: The Roles of Phonological Capacities and Processing Speed
Nittrouer, Susan; Lowenstein, Joanna H.; Wucinich, Taylor. - : American Speech-Language-Hearing Association, 2016
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12
Early predictors of phonological and morphosyntactic skills in second graders with cochlear implants
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13
Early Bimodal Stimulation Benefits Language Acquisition for Children with Cochlear Implants
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14
Measuring the effects of spectral smearing and enhancement on speech recognition in noise for adults and children
Nittrouer, Susan; Tarr, Eric; Wucinich, Taylor. - : Acoustical Society of America, 2015
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15
Optimizing Frequency Channels in Cochlear Implants
Abstract: Business/Education/Speech and Hearing Science (The Ohio State University Denman Undergraduate Research Forum) ; Cochlear implants (CIs) are devices used by individuals with hearing loss to improve communication through the use of an electrode array that directly stimulates the auditory nerve. Existing signal processing strategies utilize a logarithmic frequency-to-electrode allocation, mimicking the representation of frequencies along the basilar membrane (high frequencies at the base and low frequencies at the apex). These strategies support some degree of open-set speech recognition for CI users; however, average speech recognition remains well below what normal-hearing adults are capable of. To enhance speech recognition in adult CI users, this study examined one promising alternative to the standard logarithmic frequency-to-electrode allocation maps. The frequency-to-electrode allocation maps were modified to provide more refined representations of the first two (and most important) vowel formant frequencies (energy peaks in vowels that are critical to speech perception). Twelve participants were tested using two different CI maps: one based on existing clinical frequency-to-electrode allocation strategies (Standard) and one designed to improve the resolution of the first two formants, which should especially enhance vowel recognition (Speech). Alternating between these maps, participants listened to and repeated three kinds of stimulus materials: (1) highly meaningful five-word sentences, (2) syntactically correct but not meaningful four-word sentences, and (3) phonetically balanced consonant-vowel-consonant words in isolation. Analyses revealed that some participants benefitted from the Speech strategy. Moreover, an improvement in vowel recognition in words strongly predicted an improvement in recognition of words in sentences. These findings suggest that optimizing the representation of the first two formants enhances speech recognition for CI users. Future efforts should focus on better representing this speech-specific information in modern-day signal processing strategies. ; Academic Major: Speech and Hearing Science
Keyword: Cochlear Implants; Ear; Otolaryngology; Speech and Hearing
URL: http://hdl.handle.net/1811/68610
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16
Speech perception of sine-wave signals by children with cochlear implants
Nittrouer, Susan; Kuess, Jamie; Lowenstein, Joanna H.. - : Acoustical Society of America, 2015
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17
Perceptual weighting strategies of children with cochlear implants and normal hearing
In: Journal of communication disorders. - New York, NY : Elsevier 52 (2014), 111-133
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18
Dynamic Spectral Structure Specifies Vowels for Adults and Children
In: Language and speech. - London [u.a.] : Sage Publ. 57 (2014) 4, 487-512
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19
Benefits of preserving stationary and time-varying formant structure in alternative representations of speech: Implications for cochlear implants
Nittrouer, Susan; Lowenstein, Joanna H.; Wucinich, Taylor. - : Acoustical Society of America, 2014
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20
The Relationship Between Nonword Repetition, Vocabulary, and Reading in Children with Cochlear Implants
Sansom, Emily. - : Ohio State University. Department of Speech and Hearing Science, 2014
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