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Cognitive Auditory Evoked Potentials (CAEP) in poor cochlear implant users


Munivrana, Boška; Mildner, Vesna
Cognitive Auditory Evoked Potentials (CAEP) in poor cochlear implant users // ICPLA 2012 / Lee, Alice ; Gibbon, Fiona (ur.).
Cork, Irska, 2012. str. 110-110 (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Cognitive Auditory Evoked Potentials (CAEP) in poor cochlear implant users

Autori
Munivrana, Boška ; Mildner, Vesna

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
ICPLA 2012 / Lee, Alice ; Gibbon, Fiona - , 2012, 110-110

Skup
14th Meeting of the International Clinical Phonetics and Linguistics Association (ICPLA)

Mjesto i datum
Cork, Irska, 27-30.06.2012

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Cognitive auditory evoked potentials ; children ; cochlear implants

Sažetak
There are three factors that influence successful use of cochlear implants (CI): age at implantation, duration of speech and hearing rehabilitation and auditory level after implantation. Age at implantation is the basic criterion for the estimation of success of CI usage. The optimal implantation age is beween first and second year (Sharma et al., 2002 ; Archbold et al., 2008). Relatively good success may be excpected with implantation at later age, provided that the child is included in speech and hearing rehabilitation (Theoh et al., 200). However, even when these criteria are satisfied, some children do not reach the expected outcome. Hearing disorders at higher level of the auditory pahtway may be the culprit. It is known that some children with normal hearing but with special language imapirment (SLI) have difficulties in perception and discrimination of short sounds that follow each other in short time intervals (Bishop and McArthur, 2004). Some children with SLI have difficulties in the discrimination of frequency characteristics of sound. Those children have impaired time processeing of acoustic simuli (Bishop et al., 2007). Perception and discrimination of auditory and speech stimuli in children aged 8-10 years who are poor CI users (n=10) and 10 healthy age-matched controls were investigated using cognitive auditory evoked potential technique (CAEP). The measurements were performed with a 32-channel Neuroscan electroencephalographic system. Two types of stimuli were applied: Pure tones (1 kHz and 2 kHz) and double CV syllabi (ka-ka, te-te). The stimuli were presented in and odd-ball paradigm, requiring a conscious reaction of the subjects to target stimuli. Latencies and amplitudes of P1, N1, P2, N2, P3 and SW waves were analyzed, as well as the reaction time and number of responses. Statistically significant differences were found between CI users and the control group in average response time and number of responses to tone burst and double syllable. Analysis of variance of all used variables showed a statistically significant differences in all wave latencies after pure tone stimulation after target and non target stimulation ; P2 wave amplitude after non target stimulation and P3 wave amplitude after target stimulation. In addition, analysis of variance showed a statistically significant difference in all wave latencies after double syllabe non target stimulation except N1 wave latencies ; P3 wave latencies for non target stimulation and N2 wave for non target stimulation. Our study showed that unsuccessful CI users take longer time to percieve and discriminate between both tonal and speech stimuli than children with normal hearing and typical speech and language development.

Izvorni jezik
Engleski

Znanstvena područja
Filologija



POVEZANOST RADA


Projekt / tema
130-0000000-3096 - Neurolingvistički aspekti bilingvizma (Vesna Mildner, )
207-0000000-2293 - Funkcionalni verbotonalni dijagnostički program za djecu oštećena sluha i govora (Nađa Runjić, )

Ustanove
Filozofski fakultet, Zagreb,
Poliklinika SUVAG

Citiraj ovu publikaciju

Munivrana, Boška; Mildner, Vesna
Cognitive Auditory Evoked Potentials (CAEP) in poor cochlear implant users // ICPLA 2012 / Lee, Alice ; Gibbon, Fiona (ur.).
Cork, Irska, 2012. str. 110-110 (poster, međunarodna recenzija, sažetak, znanstveni)
Munivrana, B. & Mildner, V. (2012) Cognitive Auditory Evoked Potentials (CAEP) in poor cochlear implant users. U: Lee, A. & Gibbon, F. (ur.)ICPLA 2012.
@article{article, year = {2012}, pages = {110-110}, keywords = {cognitive auditory evoked potentials, children, cochlear implants}, title = {Cognitive Auditory Evoked Potentials (CAEP) in poor cochlear implant users}, keyword = {cognitive auditory evoked potentials, children, cochlear implants}, publisherplace = {Cork, Irska} }