Research Topics
| Wolf Dieter BaumgartnerSummaryAffiliation: University of Vienna Country: Austria Publications
| Collaborators
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Detail Information
Publications
Variables affecting speech perception in postlingually deaf adults following cochlear implantationJafar Hamzavi
Department of Otorhinolaryngology, University of Vienna, Medical School, Vienna, Austria
Acta Otolaryngol 123:493-8. 2003..To evaluate the time span over which there is greatest improvement in postlingually deaf adults undergoing cochlear implantation. Additionally, to quantify potential patient and device factors that may predict the postoperative results...- Outcomes in adults implanted with the FLEXsoft electrodeWolf Dieter Baumgartner
AKH Wien, Vienna, Austria
Acta Otolaryngol 127:579-86. 2007..This opens the door for future research in electrode design, hearing preservation research and drug delivery systems... - Cochlear implant channel separation and its influence on speech perception--implications for a new electrode designChristoph Arnoldner
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Audiol Neurootol 12:313-24. 2007..2% and from 40.8 to 50% for the monosyllable test. Based on these findings, we present a new electrode design which can help achieve further increases in speech perception with cochlear implants... 
Residual hearing preservation using the suprameatal approach for cochlear implantationChristoph Arnoldner
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Wien Klin Wochenschr 123:599-602. 2011..The objective of this study was to evaluate the rate of hearing preservation in cochlear implantation for electric-acoustic stimulation using the suprameatal approach...- Electric acoustic stimulation in patients with postlingual severe high-frequency hearing loss: clinical experienceChristoph Arnoldner
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Adv Otorhinolaryngol 67:116-24. 2010..The aim of this study was to describe audiological outcomes and surgical considerations in electric acoustic stimulation for patients with severe to profound high-frequency hearing loss... - Connexin 26 mutations in cases of sensorineural deafness in eastern AustriaKlemens Frei
Department of Otorhinolaryngology, AKH 8J, Wahringer Gurtel 18 20, Vienna, Austria, A 1090
Eur J Hum Genet 10:427-32. 2002..7% (2 out of 120). The high prevalence of the 35delG mutation in eastern Austria would therefore allow screening of individuals and family members with Cx26 dependent deafness by a highly specific and semi-automated method... - The intensity-pitch relation revisited: monopolar versus bipolar cochlear stimulationChristoph Arnoldner
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Laryngoscope 118:1630-6. 2008.... - Speech and music perception with the new fine structure speech coding strategy: preliminary resultsChristoph Arnoldner
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Acta Otolaryngol 127:1298-303. 2007.... - A FGF3 mutation associated with differential inner ear malformation, microtia, and microdontiaReinhard Ramsebner
Department of Otorhinolaryngology, Division of Molecular Pharmacokinetics and Imaging, Biochemical Genetics and National Neonatal Screening Laboratories, Vienna, Austria
Laryngoscope 120:359-64. 2010..Analysis of association between genotype and phenotype... - 1-year results using the Opus speech processor with the fine structure speech coding strategyDominik Riss
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Acta Otolaryngol 129:988-91. 2009..A significant improvement in speech perception for sentences at 10 dB SNR (signal to noise ratio) was observable... - Speech perception with a cochlear implant used in conjunction with a hearing aid in the opposite earJafar Hamzavi
University of Vienna, Medical School, Department of Otorhinolaryngology, Vienna, Austria
Int J Audiol 43:61-5. 2004..7%; CI + HA, p < 0.05). All patients in this study were implanted in the poorer ear. The results of the present study suggest the advantage of CI usage in conjunction with an HA in the opposite ear... - Characteristics of fricatives and sentence duration after cochlear implantationJafar S Hamzavi
ENT Department, University of Vienna, Vienna, Austria
ORL J Otorhinolaryngol Relat Spec 65:22-5. 2003..These results showed the restored auditory feedback produced by cochlear implantation to have a favourable effect on speech production... - A novel connexin 26 mutation associated with autosomal recessive sensorineural deafnessKlemens Frei
Department of Otorhinolaryngology, Krankenhaus der Barmherzigen Bruder, Vienna, Austria
Audiol Neurootol 9:47-50. 2004..Hearing impairment associated with this mutation was congenital, moderate to profound and showed no signs of progressive deterioration... - Effects of cochlear implantation on gustatory functionChristian A Mueller
Department of Otorhinolaryngology, Medical University Vienna, General Hospital Vienna, Vienna, Austria
Ann Otol Rhinol Laryngol 116:498-501. 2007..The aim of this study was to assess changes in taste sensitivity and in self-ratings of gustatory function after surgery... - A new fine structure speech coding strategy: speech perception at a reduced number of channelsDominik Riss
Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
Otol Neurotol 29:784-8. 2008..The aim of this study was to investigate the number of active channels necessary for good speech perception with FSP and whether there is an advantage for FSP compared with CIS at a reduced number of channels... - Surgical considerations in cochlear implantation in children and adults: a review of 342 cases in ViennaChristoph Arnoldner
Department of Otorhinolaryngology, Medical School, University of Vienna, Vienna, Austria
Acta Otolaryngol 125:228-34. 2005..54%), but in none of the children. Formation of cholesteatoma was found in one adult (0.54%) and one child (0.63%). The rate of device failure was 7.07% for adults and 13.92% for children... - Hearing preservation in cochlear implantation for electric acoustic stimulationWolfgang Gstoettner
ENT Department, Head and Neck Surgery, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
Acta Otolaryngol 124:348-52. 2004..To evaluate the possibility of preservation of low-frequency hearing in atraumatic cochlear implant electrode insertion procedures for combined, ipsilateral electric and acoustic stimulation... - Lack of association between Connexin 31 (GJB3) alterations and sensorineural deafness in AustriaKlemens Frei
Department of Otorhinolaryngology, University Hospital of Vienna, University of Vienna, AKH 8J Waehringer, Gürtel 18 20, Vienna A 1090, Austria
Hear Res 194:81-6. 2004..Our data suggest that Cx31 alterations are common but have no or a low genetic relevance in the Austrian hearing impaired population with or without Cx26 alterations... - Coding of vowellike signals in cochlear implant listenersBernhard Laback
Acoustics Research Institute, Austrian Academy of Sciences, Reichsratsstr 17, A 1010 Wien, Austria
J Acoust Soc Am 116:1208-23. 2004..Amplitude mapping was found to cause more blurring than neural-population interactions. Subjects exhibiting strong blurring effects yielded lower overall vowel identification scores... 
Effects of upper-frequency boundary and spectral warping on speech intelligibility in electrical stimulationMatthew J Goupell
Acoustics Research Institute, Austrian Academy of Sciences, Wohllebengasse 12 14, A 1040 Vienna, Austria
J Acoust Soc Am 123:2295-309. 2008..Improvements were found for the unwarped and frequency-expanded conditions, but not for the compressed condition. These results have implications for new CI processing strategies, such as the inclusion of spectral localization cues...- Screening for monogenetic del(GJB6-D13S1830) and digenic del(GJB6-D13S1830)/GJB2 patterns of inheritance in deaf individuals from Eastern AustriaKlemens Frei
Department of Otorhinolaryngology, Medical University of Vienna, AKH 8J, Waehringer Gurtel 18 20, Vienna A 1090, Austria
Hear Res 196:115-8. 2004..Data therefore exclude a digenetic association of del(GJB6-D13S1830) with heterozygous GJB2 mutations as a cause of deafness in a representative sample of the population from Eastern Austria... - Sensitivity to interaural level and envelope time differences of two bilateral cochlear implant listeners using clinical sound processorsBernhard Laback
Acoustic Research Institute, Austrian Academy of Sciences, Reichsratsstrasse 17, A-1010 Vienna, Austria
Ear Hear 25:488-500. 2004..Envelope ITDs appear to be more ambiguous cues than ILDs, as reflected by the higher and more variable JNDs compared with normal-hearing listeners. The envelope ITD-JNDs of cochlear implant listeners depended on the stimulus... - Changes in vowel quality after cochlear implantationBarbara S Schenk
ENT Department, University of Vienna, Waehringer Guertel 18-20, AT-1090 Vienna, Austria
ORL J Otorhinolaryngol Relat Spec 65:184-8. 2003..05) after 12 months. Regained auditory feedback after cochlear implantation had an effect on the improvement of the production of vowels... - Lateralization discrimination of interaural time delays in four-pulse sequences in electric and acoustic hearingBernhard Laback
Acoustics Research Institute, Austrian Academy of Sciences, Reichsratsstrasse 17, A 1010 Vienna, Austria
J Acoust Soc Am 121:2182-91. 2007..The result that CI listeners detect ITD from the middle pulses of short trains indicates the relevance of fine timing of stimulation pulses in lateralization and therefore in CI stimulation strategies...