Hero P Wit

Summary

Affiliation: University of Groningen
Country: The Netherlands

Publications

  1. ncbi request reprint Cochlear hydrops analysis masking procedure results in patients with unilateral Ménière's disease
    Charlotte M Kingma
    Department of Otolaryngology, University Medical Center Groningen, Groningen, The Netherlands
    Otol Neurotol 31:1004-8. 2010
  2. ncbi request reprint Frequency response for electromotility of isolated outer hair cells of the guinea pig
    H P Wit
    Department of Experimental Otolaryngology, University Hospital, Groningen, The Netherlands
    Hear Res 98:165-8. 1996
  3. ncbi request reprint Dynamics of inner ear pressure release, measured with a double-barreled micropipette in the guinea pig
    H P Wit
    Department of Otorhinolaryngology, University Hospital Groningen, The Netherlands
    Hear Res 132:131-9. 1999
  4. ncbi request reprint Measurement of the mechanical compliance of the endolymphatic compartments in the guinea pig
    H P Wit
    Department of Otorhinolaryngology, University Hospital Groningen, P O Box 30 001, 9700 RB, Groningen, The Netherlands
    Hear Res 145:82-90. 2000
  5. ncbi request reprint Cochlear aqueduct flow resistance is not constant during evoked inner ear pressure change in the guinea pig
    Hero P Wit
    Department of Otorhinolaryngology, University Hospital Groningen, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 175:190-9. 2003
  6. ncbi request reprint Evaluation of cochlear function in an acute endolymphatic hydrops model in the guinea pig by measuring low-level DPOAEs
    Willem L Valk
    Department of Otorhinolaryngology, University Hospital Groningen, P O Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 192:47-56. 2004
  7. ncbi request reprint Evaluation of low-frequency biasing as a diagnostic tool in Menière patients
    Nanda J Hof-Duin
    Department of Otorhinolaryngology Head and Neck Surgery, University Medical Center Groningen, Faculty of Medicine of University of Groningen, 9700 RB Groningen, The Netherlands
    Hear Res 231:84-9. 2007
  8. ncbi request reprint Direct measurement flow resistance of cochlear aqueduct in guinea pigs
    Elisabeth O Laurens-Thalen
    Department of Otorhinolaryngology, University Hospital Groningen, Groningen, The Netherlands
    Acta Otolaryngol 124:670-4. 2004
  9. ncbi request reprint Quantification of audiogram fine-structure as a function of hearing threshold
    J Wiebe Horst
    Department of Otorhinolaryngology, University Hospital Groningen, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 176:105-12. 2003
  10. doi request reprint Wavelet analysis demonstrates no abnormality in contralateral suppression of otoacoustic emissions in tinnitus patients
    Leontien I Geven
    Department of Otorhinolaryngology Head and Neck Surgery, University Medical Center Groningen, P O Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 286:30-40. 2012

Detail Information

Publications21

  1. ncbi request reprint Cochlear hydrops analysis masking procedure results in patients with unilateral Ménière's disease
    Charlotte M Kingma
    Department of Otolaryngology, University Medical Center Groningen, Groningen, The Netherlands
    Otol Neurotol 31:1004-8. 2010
    ..To investigate the usefulness of the cochlear hydrops analysis masking procedure (CHAMP) as an additional diagnostic test in patients with definite unilateral Ménière's disease...
  2. ncbi request reprint Frequency response for electromotility of isolated outer hair cells of the guinea pig
    H P Wit
    Department of Experimental Otolaryngology, University Hospital, Groningen, The Netherlands
    Hear Res 98:165-8. 1996
    ..Correspondingly, impulse responses show a single narrow peak roughly 50 microseconds wide and have the shape of the impulse response for a critically damped harmonic oscillator...
  3. ncbi request reprint Dynamics of inner ear pressure release, measured with a double-barreled micropipette in the guinea pig
    H P Wit
    Department of Otorhinolaryngology, University Hospital Groningen, The Netherlands
    Hear Res 132:131-9. 1999
    ..The obtained results could be fitted with a simple physical model, when it was assumed that inner ear pressure recovery is a non-linear process, governed by a pressure-dependent flow resistance and/or membrane compliance...
  4. ncbi request reprint Measurement of the mechanical compliance of the endolymphatic compartments in the guinea pig
    H P Wit
    Department of Otorhinolaryngology, University Hospital Groningen, P O Box 30 001, 9700 RB, Groningen, The Netherlands
    Hear Res 145:82-90. 2000
    ..With this model, a larger compliance was found for the second compartment (vestibular part of endolymphatic system) than for the first compartment, into which fluid was injected (scala media)...
  5. ncbi request reprint Cochlear aqueduct flow resistance is not constant during evoked inner ear pressure change in the guinea pig
    Hero P Wit
    Department of Otorhinolaryngology, University Hospital Groningen, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 175:190-9. 2003
    ..The change of flow resistance during inner ear pressure variation can be explained by a permeability change of the cochlear aqueduct, caused by a change of structures filling the aqueduct and its entrance in scala tympani...
  6. ncbi request reprint Evaluation of cochlear function in an acute endolymphatic hydrops model in the guinea pig by measuring low-level DPOAEs
    Willem L Valk
    Department of Otorhinolaryngology, University Hospital Groningen, P O Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 192:47-56. 2004
    ..However, the precise mechanism of cochlear function change caused by endolymph volume increase (hydrops) remains to be elucidated...
  7. ncbi request reprint Evaluation of low-frequency biasing as a diagnostic tool in Menière patients
    Nanda J Hof-Duin
    Department of Otorhinolaryngology Head and Neck Surgery, University Medical Center Groningen, Faculty of Medicine of University of Groningen, 9700 RB Groningen, The Netherlands
    Hear Res 231:84-9. 2007
    ..An explanation could be that with increasing hearing loss the gain of the cochlear amplifier decreases, leading to smaller modulation depths...
  8. ncbi request reprint Direct measurement flow resistance of cochlear aqueduct in guinea pigs
    Elisabeth O Laurens-Thalen
    Department of Otorhinolaryngology, University Hospital Groningen, Groningen, The Netherlands
    Acta Otolaryngol 124:670-4. 2004
    ..In this study the flow resistance of the cochlear aqueduct was determined and its relation with inner ear pressure was studied...
  9. ncbi request reprint Quantification of audiogram fine-structure as a function of hearing threshold
    J Wiebe Horst
    Department of Otorhinolaryngology, University Hospital Groningen, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 176:105-12. 2003
    ..e. the more peaks the higher the average peak height. The summated peak height S(p)=N(p)H(p) showed a strong dependence on the hearing loss. In cases of strong fine-structure, S(p) reached values around 200 dB...
  10. doi request reprint Wavelet analysis demonstrates no abnormality in contralateral suppression of otoacoustic emissions in tinnitus patients
    Leontien I Geven
    Department of Otorhinolaryngology Head and Neck Surgery, University Medical Center Groningen, P O Box 30 001, 9700 RB Groningen, The Netherlands
    Hear Res 286:30-40. 2012
    ..No significant difference in suppression was found between the tinnitus patients and the control group...
  11. ncbi request reprint Hippocampal volume measurement in patients with Ménière's disease: a pilot study
    Nynke Van Cruijsen
    Department of Otorhinolaryngology, University Medical Center Groningen, Groningen, The Netherlands
    Acta Otolaryngol 127:1018-23. 2007
    ..No signs of chronic stress as in hippocampal atrophy were present in patients with Ménière's disease...
  12. ncbi request reprint Evaluation of the relation between audiometric and psychometric measures of hearing after tympanoplasty
    Astrid G W Korsten-Meijer
    Department of Otorhinolaryngology, University Hospital Groningen, Groningen, The Netherlands
    Eur Arch Otorhinolaryngol 263:256-62. 2006
    ..In addition, even small residual hearing losses (less than 25 dB HL) still lead, on average, to (m)AIAD scores that are substantially lower than the scores for normally hearing subjects...
  13. doi request reprint A model for the relation between stimulus frequency and spontaneous otoacoustic emissions in lizard papillae
    Hero P Wit
    Department of Otorhinolaryngology Head and Neck Surgery, University of Groningen, University Medical Center Groningen, P O Box 30 001, 9700RB Groningen, The Netherlands
    J Acoust Soc Am 132:3273-9. 2012
    ..J. 95, 4622-4630 (2008)], well describes both the amplitude and phase characteristics of SFOAEs and the relation between SFOAEs and SOAEs...
  14. ncbi request reprint Analysis of cortisol and other stress-related hormones in patients with Ménière's disease
    Nynke Van Cruijsen
    Department of Otorhinolaryngology, University Medical Centre Groningen, Groningen, The Netherlands
    Otol Neurotol 26:1214-9. 2005
    ..To evaluate cortisol and catecholamine levels in patients with Ménière's disease...
  15. pmc Functional sex differences in human primary auditory cortex
    Liesbet Ruytjens
    Department of Otorhinolaryngology, University Medical Center Groningen, Groningen, The Netherlands
    Eur J Nucl Med Mol Imaging 34:2073-81. 2007
    ..Regional cerebral blood flow (rCBF) was measured in 10 male and 10 female volunteers while listening to sounds (music or white noise) and during a baseline (no auditory stimulation)...
  16. ncbi request reprint Evoked otoacoustic emissions in patients with Ménière's disease
    Emile de Kleine
    Department of Otorhinolaryngology, University Hospital Groningen, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Otol Neurotol 23:510-6. 2002
    ..This study investigated whether otoacoustic emissions (OAEs) in patients with Ménière's disease show abnormal properties...
  17. doi request reprint Intratympanic gentamicin therapy for control of vertigo in unilateral Menire's disease: a prospective, double-blind, randomized, placebo-controlled trial
    Rolf J Postema
    Department of Otorhinolaryngology, University Medical Center Groningen, Groningen, The Netherlands
    Acta Otolaryngol 128:876-80. 2008
    ..The treatment also reduces the severity of the perceived aural fullness...
  18. ncbi request reprint Cochlear ultrastructure in two-phase endolymphatic hydrops in the guinea-pig
    Erwin A Dunnebier
    Department of Otorhinolaryngology, University Hospital Groningen, The Netherlands
    Eur Arch Otorhinolaryngol 259:17-23. 2002
    ..Our findings demonstrate changes that may be reversible due to the compromising effect of a single treatment, and irreversible changes due to interaction of both compromising factors. These findings support our two-phase concept...
  19. ncbi request reprint Reliability and validity of the (modified) Amsterdam Inventory for Auditory Disability and Handicap
    Astrid G W Meijer
    Department of Otorhinolaryngology, University Hospital Groningen, The Netherlands
    Int J Audiol 42:220-6. 2003
    ..Construct validity showed a high correlation between scores on the (m)AIAD and scores on the HDQ. Criterion validity showed a moderate but significant correlation between scores on the (m)AIAD and hearing thresholds in dB HL...
  20. ncbi request reprint Does the endolymphatic sinus function as a one-way valve?
    Hero P Wit
    Hear Res 224:115-6. 2007
  21. ncbi request reprint Detection of intracochlear and intracranial pressure changes with otoacoustic emissions: a gerbil model
    Béla Büki
    Laboratory of Sensory Biophysics, School of Medicine, P O Box 38, 63001 Clermont Ferrand, France
    Hear Res 167:180-91. 2002
    ..A relatively minor contribution from the tensor tympani was observed, possibly in relation to the detection of ICoP-induced displacement of the ossicular chain by neuromuscular spindles...