Laboratory for Experimental Audiology

Department of Otorhinolaryngology,
Head and Neck Surgery
University Hospital
CH-8091 Zürich
Switzerland
 

Phone: +41-44-255 5801

Fax:     +41-44-255 4424

Email: waikong.lai@usz.ch

Project(s):

  • To hear what no man has heard before
  • To make sound, but not as we know it

Interest(s):

  • Calvin & Hobbes
  • Reading
  • Figure Skating & Ice Dance
  • Cooking (& eating too of course

Links:

Publications and presentations:

2009

  • Büchler M, Lai WK, Dillier N (2009) Musikwahrnehmung bei bimodaler Stimulation. Zeitschrift für Audiologie 48
  • Lai W, Dillier N (2009) Neural adaptation and the ECAP response threshold: a pilot study. Cochlear Implants International 10: 63-67
  • Lai WK, Dillier N (2009) Optimierung von ‚sound quality‘ und Musikhören mit Cochlea-Implantaten. In: 12. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-9-3. Deutsche Gesellschaft für Audiologie e.V., Innsbruck, pp 1-4
  • Lai WK, Dillier N, Weber BP, Lenarz T, Battmer R, Gantz B, Brown C, Cohen N, Waltzman S, Skinner M, Holden L, Cowan R, Busby P, Killian M (2009) TNRT profiles with the Nucleus Research Platform 8 system. International Journal of Audiology: Epub ahead of print
  • Omran SA, Lai WK, Büchler M, Dillier N (2009) Melody contour identification and instrument recognition using semitone mapping in Nucleus Cochlea Implant recipients. In: 12. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-9-3. Deutsche Gesellschaft für Audiologie e.V., Innsbruck, pp 1-4

2008

  • Büchler M, Sandmann P, Lai W, Dillier N (2008) Musik-Verarbeitung von Normalhörenden und CI-Trägern verglichen anhand von kortikalen Potentialen. In: 11. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-7-7. Deutsche Gesellschaft für Audiologie e.V., Kiel, pp 1-4
  • Lai WK, Dillier N (2008) Investigating the MP3000 coding strategy for music perception. In: 11. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-7-7. Deutsche Gesellschaft für Audiologie e.V., Kiel, Germany, pp 1-4
  • Morsnowski A, Conway M, Craddock L, Cullington H, Dillier N, Lai WK, Stecker M, Steffens T, Müller-Deile J (2008) Die Steigung der Amplitudenwachstumsfunktion von Summenaktionspotentialen als Elektrodenselektionskriterium. In: 11. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-7-7. Deutsche Gesellschaft für Audiologie e.V., Kiel, pp 1-4
  • Omran S, Büchler M, Lai WK, Dillier N (2008) Pitch perception using a Semitone mapping to improve music representation in Nucleus Cochlear Implants. In: 11. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-7-7. Deutsche Gesellschaft für Audiologie e.V., Kiel, Germany, pp 1-4

2007

  • Büchler M, Lai WK, Dillier N (2007) Music Perception with the Double Electrode Mode in the Nucleus Freedom CI System. In: 8th EFAS Congress / 10. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-6-9. Deutsche Gesellschaft für Audiologie e.V., Heidelberg, pp 1-4
  • Lai WK, Dillier N (2007) Comparing neural response telemetry amplitude growth functions with loudness growth functions: preliminary results. Ear and Hearing 28: 42S-45S
  • Lai WK, Dillier N (2007) Neural adaptation and the recovery function: Some insights from a simple mathematical model. In: 8th EFAS Congress / 10. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-6-9. Deutsche Gesellschaft für Audiologie e.V., Heidelberg, pp 1-4
  • Omran SA, Büchler M, Lai WK, Dillier N (2007) Pitch Ranking of Complex Tones using a Model of the Virtual Channels in the Nucleus Freedom System. In: 8th EFAS Congress / 10. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-6-9. Deutsche Gesellschaft für Audiologie e.V., Heidelberg, pp 1-4
  • van Dijk B, Botros AM, Battmer RD, Begall K, Dillier N, Hey M, Lai WK, Lenarz T, Laszig R, Morsnowski A, Müller-Deile J, Psarros C, Shallop J, Weber B, Wesarg T, Zarowski A, Offeciers E (2007) Clinical results of AutoNRT, a completely automatic ECAP recording system for cochlear implants. Ear and Hearing 28: 558-570
  • Weber BP, Lai WK, Dillier N, von Wallenberg EL, Killian MJP, Pesch J, Battmer RD, Lenarz T (2007) Performance and preference for ACE stimulation rates obtained with nucleus RP 8 and freedom system. Ear and Hearing 28: 46S-48S

2006

  • Büchler M, Lai WK, Mauch H, Dillier N (2006) Musikwahrnehmung bei unterschiedlicher Eingangsdynamik des CI-Sprachprozessors. In: 9. Jahrestagung der Deutschen Gesellschaft für Audiologie, vol ISBN 3-9809869-5-0. Deutsche Gesellschaft für Audiologie e.V., Köln, pp 1-2

2005

  • Buechler M, Lai WK, Dillier N (2005) Music Perception under Bimodal Stimulation. Poster presented at Conference on Implantable Auditory Prostheses, Asilomar. Download PDF
  • Cafarelli Dees D, Dillier N, Lai WK, von Wallenberg E, van Dijk B, Akdas F, Aksit M, Batman C, Beynon A, Burdo S, Chanal JM, Collet L, Conway M, Coudert C, Craddock L, Cullington H, Deggouj N, Fraysse B, Grabel S, Kiefer J, Kiss JG, Lenarz T, Mair A, Maune S, Müller-Deile J, Piron JP, Razza S, Tasche C, Thai-Van H, Toth F, Truy E, Uziel A, Smoorenburg G (2005) Normative findings of Electrically Evoked Compound Action Potential (ECAP) measurements using the Neural Response Telemetry (NRT) of the Nucleus CI24M Cochlear Implant System, Audiology & Neuro-Otology 10:105-116. Download PDF
  • Dillier N, Lai WK, Battmer RD, Pesch J, Killian M (2005) Measurements of neural adaptation effects dependent on rate of stimulation, Poster presented at Conference on Implantable Auditory Prostheses, Asilomar. Download PDF
  • Lai WK, Dillier N, Weber BP, Lenarz T, Battmer RD, Gantz B, Brown C, Cohen N, Waltzman S, Skinner M, Holden L, Cowan R, Gibson W, Busby P, Ashburn Reed S, Killian M, van Dijk B (2005) TNRT Profiles with the Nucleus Research Platform 8 System, Poster presented at Conference on Implantable Auditory Prostheses, Asilomar. Download PDF

2004

  • Battmer RD, Dillier N, Lai WK, Weber BP, Brown C, Gantz BJ, Roland JT, Cohen NJ, Shapiro W, Pesch J, Killian MJ, Lenarz T (2004) Evaluation of the neural response telemetry (NRT) capabilities of the nucleus research platform 8: initial results from the NRT trial. International Journal of Audiology 43: S10-S15
  • Dillier N, Lai WK, Büchler M (2004) Simulationen der Hörqualität mit Cochlea-Implantat-Versorgung.  Siebte Jahrestagung der Deutschen Gesellschaft für Audiologie, Leipzig,
  • Dillier N, Lai WK, Strauchmann B, Weber BP (2004) The use of electrophysiological measurements for speech processor programming in very young children.  4th Congress of Asia Pacific Symposium on Cochlear Implant and Related Sciences, Taipeh,
  • Dillier N, Lai WK, Strauchmann B, Weber BP (2004) The use of electrophysiological measurements for cochlear implant fitting in very young children.  7th European Symposium on Paediatric Cochlear Implantation, Geneva, Invited lecture,
  • Dillier N, Lai WK, Strauchmann B, Weber BP (2004) Neural Response Telemetry.  IInd Meeting Consensus on Auditory Implants, Valencia, Invited lecture,
  • Dillier N, Weber BP, Lai WK, Battmer R, Lenarz T, Gantz BJ, et al (2004) Results of the Research Platform 8: Enhanced NRT features.  7th European Symposium on Paediatric Cochlear Implantation, Geneva,
  • Lai WK, Aksit M, Akdas F, Dillier N (2004) Longitudinal behaviour of Neural Response Telemetry (NRT) data and clinical implications.  Audiology (Basel), 43, 262-263.
  • Lai WK, Dillier N, Weber BP, Brown CJ, Abbas PJ, Gantz BJ, et al (2004) NRT Recordings with Nucleus Research Platform 8 Ssystem.  7th European Symposium on Paediatric Cochlear Implantation, Geneva,
  • Weber BP, Lai WK, Wenger P, Strauchmann B, Dillier N (2004) Correlations between clinical radiological, audiological and intraoperative NRT-data in Nucleus 24 Contour patients.  7th European Symposium on Paediatric Cochlear Implantation, Geneva,

2003

  • Büchler M, Lai WK, Dillier N (2003) Comparison of different coding strategies for music perception with cochlear implants.  Conference on Implantable Auditory Prostheses, Asilomar,
  • Büchler M, Lai WK, Dillier N (2003) Vergleich verschiedener Codierungsstrategien zur Musikwahrnehmung mit dem Cochlea Implantat.  Sechste Jahrestagung der Deutschen Gesellschaft für Audiologie, Würzburg,
  • Cafarelli Dees D, Dillier N, Lai WK, von Wallenberg E, van Dijk B, Smoorenburg GF (2003) Normative findings of electrically evoked compound action potential (ECAP) measurements using the Neural Response Telemetry (NRT) of the Nucleus CI24M Cochlear Implant system.  Conference on Implantable Auditory Prostheses, Asilomar,
  • Dillier N, Lai WK (2003) Recording the electrically evoked compound action potential in a clinical setting.  Conference on Implantable Auditory Prostheses, Asilomar,
  • Lai WK, Bogli H, Dillier N (2003) A software tool for analyzing multichannel cochlear implant signals.  Ear and Hearing Baltimore (MD), 24, 380-391.
  • Lai WK, Dillier N (2003) Long-term observations of the NRT threshold across the electrode array and the implications for speech processor fitting.  4th Int Symp on Electr Impl in Otology and Conv Hearing Aids, Toulouse,
  • Nicolai J, Dillier N, Lai WK, Cafarelli Dees D, Bettarini A, Irwin C (2003) Enhancements to the Nucleus Neural Response Telemetry (NRT) Software and Guidelines for Clinical Use.  International Conference on Cochlear Implants in Children, Washington,
  • Nicolai J, Dillier N, Lai WK, Cafarelli Dees D, Bettarini A, Irwin C (2003) Enhancements to the Nucleus Neural Response Telemetry (NRT) and guidelines for clinical use.  4th Int Symp on Electr Impl in Otology and Conv Hearing Aids, Toulouse,

2002

  • Dillier N, Lai WK (2002) Contribution of intra-operative and post-operative electrophysiological measurements.  Candidacy for implantable hearing devices, Utrecht, Invited lecture,
  • Dillier N, Lai WK, Almqvist B, Frohne C, Muller-Deile J, Stecker M, et al (2002) Measurement of the electrically evoked compound action potential via a neural response telemetry system.  Ann Otol Rhinol Laryngol, 111, 407-414.
  • Dillier N, Lai WK, Cafarelli Dees D, von Wallenberg E, Smoorenburg GF, van Dijk B, et al (2002) Normative findings of Electrically Evoked Compound Action Potential (ECAP) measured using the Neural Response Telemetry (NRT) of the Nucleus CI24M Cochlear Implant System.  7th International Cochlear Implant Conference, Manchester,
  • Dillier N, Lai WK (2002) Stellenwert von neuralen Reizantwort-Messungen für die Sprachprozessor-Anpassung.  Fünfte Jahrestagung der Deutschen Gesellschaft für Audiologie, Zürich, Invited lecture,
  • Lai WK, Bögli H, Dillier N (2002) sCILab: A research tool for analysing Cochlear Implant signals.  7th International Cochlear Implant Conference, Manchester,
  • Lai WK, Bögli H, Dillier N (2002) sCILab: a research tool for analyzing cochlear implantsignals.  ZNZ Symposium, Zürich,
  • Lai WK, Dillier N (2002) Longitudinal observations of NRT data over three years.  7th International Cochlear Implant Conference, Manchester,
  • Lai WK, Dillier N (2002) Longitudinal observations of Neural Response Telemetry data over four years.  ZNZ Symposium, Zürich ,
  • Lai WK, Dillier N (2002) MACarena : A flexible computer-based speech testing environment.  7th International Cochlear Implant Conference, Manchester,
  • von Wallenberg E, Cafarelli Dees D, Dillier N, Lai WK, Irwin C (2002) Field Experience with the Enhanced Neural Response Telemetry Version 3.  7th International Cochlear Implant Conference, Manchester,
  • von Wallenberg E, Dillier N, Lai WK, Cafarelli Dees D, Knox A, Irwin C (2002) Neurale Antwort Telemetrie Version 3: Neue Möglichkeiten für die klinische Praxis und die Forschung.  Fünfte Jahrestagung der Deutschen Gesellschaft für Audiologie, Zürich,

2001

  • Cafarelli Dees D, Dillier N, Lai WK, von Wallenberg E, Akdas F, Aksit M, et al (2001) Normative findings of Electrically Evoked Compound Action Potential (ECAP) measured using the Neural Response Telemetry (NRT9 of the Nucleus CI24M Cochlear Implant System.  2nd International Symposium and Workshop on Objective Measures in Cochlear Implantation, Lyon,
  • Dillier N, Lai WK, Linder T (2001) Clinical and research applications of Neural Response Telemetry.  The Third Congress of Asia Pacific Symposium on Cochlear Implant and Related Sciences, Osaka,
  • Dillier N, Lai WK (2001) Objective outcome measures.  First European Conference on Cochlear and Brainstem Implants & State-of-Art Symposium on Implantable Hearing Aids, Invited lecture,
  • Dillier N, Lai WK, Linder T (2001) Intraoperative objective measures.  First European Conference on Cochlear and Brainstem Implants & State-of-Art Symposium on Implantable Hearing Aids, Invited lecture,
  • Dillier N, Lai WK, Linder T (2001) Neural Response Telemetry Measurements with Nucleus Contour Electrodes.  Conference on Implantable Auditory Prostheses, Asilomar,
  • Dillier N, Lai WK, Linder T (2001) Neural response telemetry measurements with Nucleus Contour electrodes.  First European Conference on Cochlear and Brainstem Implants & State-of-Art Symposium on Implantable Hearing Aids,
  • Dillier N, Lai WK (2001) NRT Longitudinal Data.  European Nucleus Outcomes Seminar II, Heraklion,
  • Lai WK, Dillier N (2001) Long term characteristics of NRT data and the implications for speech processor fitting.  2nd International Symposium and Workshop on Objective Measures in Cochlear Implantation, Lyon,
  • von Wallenberg E, Dillier N, Lai WK, Wyttenbach M, Irwin C, Cafarelli Dees D (2001) An improved clinical tool for the Nucleus 24 Cochlear Implant System: NRT Version 3.  2nd International Symposium and Workshop on Objective Measures in Cochlear Implantation, Lyon,

2000

  • Cafarelli Dees D, Dillier N, Lai WK, von Wallenberg E (2000) Neural response telemetry and T & C Levels at different stimulation rates.  5th European Symposium on Paediatric Cochlear Implantation, Antwerp,
  • Cafarelli Dees D, Dillier N, Lai WK, von Wallenberg E (2000) Normative ECAP findings with the Nucleus neural response telemetry system.  5th European Symposium on Paediatric Cochlear Implantation, Antwerp,
  • Dillier N, Lai WK, Linder T (2000) Intraoperative recordings of electrically evoked compound action potentials.  6th International Cochlear Implant Conference, Miami,
  • Dillier N, Lai WK, Linder T (2000) Clinical and research applications of Neural Response Telemetry.  3rd International Symposium on Electronic Implants in Otology & Conventional Hearing Aids,
  • Lai WK, Dillier N (2000) Long term monitoring of NRT data.  5th European Symposium on Paediatric Cochlear Implantation, Antwerp ,
  • Lai WK, Dillier N (2000) A Simple Two-Component Model of the Electrically Evoked Compound Action Potential in the Human Cochlea.  Audiology and Neuro-Otology, 5, 333-345.
  • Morsnowski A, Müller-Deile J, Cullington HE, Conway MJ, Dillier N, Lai WK, et al (2000) Effect of electrically evoked compound action potentials amplitude growth on site selection.  5th European Symposium on Paediatric Cochlear Implantation, Antwerp,

1999

  • Dillier N, Lai WK, Linder T (1999) Intraoperative recordings of electrically evoked compound action potentials.  European Custom Sound Outcomes Seminar, Sintra,
  • Dillier N, Lai WK (1999) Optimization of speech processing based on neural response measurements.  Conference on Implantable Auditory Prostheses, Asilomar, Invited lecture,
  • Lai WK, Dillier N (1999) Modelling the electrically evoked whole nerve action potential waveform as obtained using neural response telemetry.  ZNZ Symposium, Zürich,
  • Lai WK, Dillier N (1999) Long-term observations of the neural response from the electrically stimulated human auditory periphery.  European Custom Sound Outcomes Seminar, Sintra,
  • Lai WK, Dillier N (1999) Modelling the electrically evoked whole-nerve action potential waveform as obtained using neural response telemetry.  European Custom Sound Outcomes Seminar, Sintra,
  • Lai WK, Dillier N (1999) Modelling the electrically evoked whole-nerve action potential waveform as obtained using neural response telemetry.  Conference on Implantable Auditory Prostheses, Asilomar,

1998

  • Dillier N, Lai WK (1998) Recent technical developments of cochlear implant systems.  4th European Symposium on Paediatric Cochlear Implantation, 's-Hertogenbosch, Invited keynote lecture,
  • Lai WK, Dillier N (1998) Neural response telemetry (NRT) with the Nucleus CI24M implant: implications for fitting procedures with children.  4th European Symposium on Paediatric Cochlear Implantation, 's-Hertogenbosch,
  • Lai WK, Dillier N (1998) A Procedure for performing Neural Response Telemetry Measurements in the Operating Room.  1st International Symposium & Workshop on Objective Measures in Cochlear Implantation,
  • Lai WK, Dillier N, Wyttenbach M, Linder T (1998) Intracochlear recordings of electrically evoked compound action potentials.  ZNZ Symposium, Zürich,
  • Lai WK, Dillier N, Wyttenbach M, Linder T (1998) Intracochlear recordings of electrically evoked compound action potentials.  Opening Symposium Neuroscience Center Zürich,
  • Lai WK, Dillier N, Wyttenbach M (1998) NRT: Ein objektives Messverfahren zur Ergänzung der CI-Anpassung.  Forum: Hören und Sprache, 5, 170-181.
  • Nicolai J, Allum JH, Aubert LR, Kiefer J, Dillier N, Lai WK, et al (1998) Ergebnisse einer Pilotstudie mit den neuen ACE-Codierungsstrategien im Nucleus 24 Cochlear-Implant-System.  Forum: Hören und Sprache, 5, 192-205.

1997

  • Dillier N, Lai WK, Wyttenbach M (1997) Comparison of neural response telemetry measurements and speech perception for users of the Nucleus 24 Cochlear Implant System.  Conference on Implantable Auditory Prostheses, Asilomar,
  • Lai WK, Dillier N, Laszig R, Fisch U (1997) Results from a pilot study using the nucleus CI24M/SP5 cochlear implant system.  Am J Otol, 18, S35-6.
  • von Wallenberg E, Lehnhardt M, Dillier N, Lai WK (1997) Neural response telemetry - a novel diagnostic research tool.  3rd European Conference on Audiology, Prague,

1996

  • Dillier N, Laszig R, Lai WK, Aschendorff A (1996) Pilotstudie zur Evaluation eines neuen Cochlear Implant-Systems.  HNO Informationen, 21, 40
  • Dillier N, Lai WK (1996) Initial experience with a new Nucleus CI24M/SP5 cochlear implant system.  2nd International Symposium on Electronic Implants in Otology and Conventional Hearing Aids, Göteborg,
  • Lai WK, Dillier N, Laszig R, Fisch U (1996) Results of a pilot study with the new Nucleus CI24M/SP5 cochlear implant system.  3rd European Symposium on Paediatric Cochlear Implantation, Hannover,

1995

  • Dillier N, Bögli H, Lai WK (1995) Electrodographic analysis and field evaluation of the Speak coding strategy.  Ann Otol Rhinol Laryngol [Suppl], 166, 354-356.
  • Lai WK, Dillier N (1995) Glide psychophysics and related Mpeak and Speak speech performance.  Ann Otol Rhinol Laryngol [Suppl], 166, 368-370.

1994

  • Dillier N, Lai WK, Bögli H (1994) A high spectral transmission coding strategy for a multi-electrode cochlear implant.  Advances in Cochlear Implants, Proceedings of the 3rd Cochlear Implant, 152-157.
  • Lai WK, Dillier N (1994) Amplitude modulation detection with intracochlear implants.  Advances in Cochlear Implants, Proceedings of the 3rd Cochlear Implant, 317-320.

1993

  • Dillier N, Fröhlich T, Kompis M, Bögli H, Lai WK (1993) Digital signal processing (DSP) applications for multiband loudness correction digital hearing aids and cochlear implants.  Journal of Rehabilitation Research and Development (Washington DC), 30, 95-109.
  • Lai WK, Dillier N, Bögli H (1993) A hybrid coding strategy for a multichannel cochlear implant.  Advances in Oto-Rhino-Laryngology (Basel), 48, 91-96.

1992

  • Dillier N, Bögli H, Fröhlich T, Kompis M, Lai WK (1992) Mikroelektronische Hörprothesen. 1-60. Informationsschrift NFP18 "Biomedizinische Technik".

1990

  • Lai WK (1990) Psychophysical studies investigating a place/rate coding strategy for a multiple-channel cochlear implant.  Diss Univ Melbourne,

1989

  • Lai WK, Tong YC, Millar JB, Clark GM, van Hoesel R (1989) Perceptual independence of pulse rates used in speech coding schemes for a multichannel cochlear implant.  J Acoust Soc Am Suppl, 86/1, 82