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Electrical, Electronic and Computer Engineering
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Prof J J Hanekom

Associate Professor
prof_jj_hanekom.jpg

Qualifications

B.Eng(cum laude)(Pret), M.Eng(cum laude)(Pret), PhD(Pret)

Professional Status

Registered as Professional Engineer

Memberships

Pr.Eng., SMIEEE, SMSAIEE

Visiting Address

Engineering 2, 4-50.8 (soon: Engineering 3)
Main Campus, University of Pretoria
Cnr Lynnwood and University Roads

Mail Address

Department of Electrical, Electronic & Computer Engineering
University of Pretoria
0002 Pretoria
South Africa

Telephone

+27 12 420-2461 (intl)
012 420-2461 (loc)

Fax

+27 12 362-5000 (intl)
012 362-5000 (loc)

E-mail

Research Fields

Bioengineering, cochlear implants, speech processing, neural modelling

Research Topics

Cochlear implants
Cochlear implant psychoacoustics
Models of the normal auditory system
Models of the electrically stimulated auditory system

Teaching: Undergraduate

Modules previously taught
Signal processing at 3rd and final year level
Bio-engineering (elective, final year)

Current undergraduate teaching
Project EPR400; Project EPR402

http://www.ee.up.ac.za/ee/undergrad/EPR400/studiehandlAfr.html
http://www.ee.up.ac.za/ee/undergrad/EPR400/studiehandlEng.html

Teaching: Postgraduate

Courses previously taught
Rehabilitation Engineering
Neuro Engineering
Biomedical signal processing

Current postgraduate teaching
Biolectricity and Electronics
Biosignals and systems

Awards

Research grant under the bilateral South African/Flemish Scientific and Technological Cooperation Agreement, 2000-2005
University of Pretoria RDP grant (2003-2005)
NRF focus areas grant (2006-2007)
NRF CSUR grant (2009-2011)

Doctoral thesis

Hanekom J.J., “Models and psychophysics of acoustic and electric hearing”, PhD Thesis, University of Pretoria, 2001

Patents

  • Hanekom J.J. and Solomon A. (1996), “Apparatus for measuring a force exertable by groups of muscles in the human body”, RSA patent no 96/8900

Publications in peer review journals from 1996

  • Hanekom J J & Shannon R V, “Place pitch discrimination and speech recognition in cochlear implant users”, SA Journal of Communication Disorders, Vol 43, 1996, pp 27-40
  • Muntingh L., Hanekom J.J. & Steinmann C.M.L., “A model for the mechanical events during contraction of an isolated myocyte”, South African Journal of Science, Vol. 93, June 1997, pp. 292-295
  • Hanekom, J.J. and Shannon, R.V., “Gap detection as a measure of electrode interaction in cochlear implants”, Journal of the Acoustical Society of America, vol 104 no 4, October 1998, pp 2372-2384
  • Hanekom, T., Hanekom, J.J., “On the design of implantable electrodes for electrical nerve stimulation”, South African Journal of Science, vol. 94, pp. 307-310 (1998)
  • Hanekom, T., Hanekom, J.J., Marais, P., “Actively deposited ceramic layers as insulation on thin implantable electrode conductors”, South African Journal of Science, vol. 94, pp. 310-311 (1998)
  • Hanekom, J.J., “A Model of frequency coding in the central auditory nervous system”, South African Journal of Communication Disorders, Vol 46, 1999, pp81-89
  • Hanekom T and Hanekom JJ, “Die bydrae van basiese navorsing in kliniese toepassings met verwysing na kogleêre inplantings”, South African Journal of Communication Disorders, vol 47, pp 41-47, 2000
  • Hanekom JJ, “What do cochlear implants teach us about the encoding of frequency in the auditory system?”, South African Journal of Communication Disorders, vol 47, pp 49-56, 2000
  • Hanekom, J.J. & Krüger, J.J., “A model of frequency discrimination with optimal processing of auditory nerve spike intervals”, Hearing Research, Vol 151 no 1-2, Jan 2001, pp 188-204.
  • Hanekom T. and Hanekom J.J. “The influence of electrode geometry and configuration on intracochlear electrical stimulation”, Transactions of the SAIEE, vol. 95 no. 4, Dec 2004, pp. 270-278.
  • Pretorius L.L. and Hanekom J.J., “An accurate method for determining the conspicuity area associated with visual targets ”, Human Factors, vol. 48 no. 4, Dec 2006, pp. 774-784.
  • Pretorius L.L. , Hanekom J.J., Van Wieringen A, and Wouters J, ” 'n Analitiese tegniek om die foneem-herkenningsvermoë van Suid-Afrikaanse kogleêre inplantinggebruikers te bepaal”, Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie, vol. 25 no. 4, Dec 2006, pp. 195-208.
  • Jönsson, A.E.R., Hanekom, T., Hanekom, J.J., “Initial results from a model of ephaptic excitation in the electrically excited peripheral auditory nervous system”, Hearing Research, vol 237, no 1-2, pp 49-56, 2008.
  • Smit, J.E., Hanekom, T., Hanekom, J.J., “Predicting human auditory action potential characteristics through adaptation of the Hodgkin-Huxley equations”, South African Journal of Science, vol. 104, pp. 284-292, July/August 2008.
  • Pretorius, L.L., Hanekom, J.J., ” Free field frequency discrimination abilities of cochlear implant users”, Hearing Research, vol 244, pp 77-84, July 2008.
  • Smit, J.E., Hanekom, T. and Hanekom, J.J., ” Modelled temperature-dependent excitability behaviour of a single ranvier node for a human peripheral sensory nerve fibre”, Biological Cybernetics, Volume 100, Issue 1, pp 49-58, 2009. DOI: 10.1007/s00422-008-0280-7.
  • Smit, J.E., Hanekom, T. and Hanekom, J.J., “Estimation of stimulus attenuation in cochlear implants”, Journal of Neuroscience Methods, vol 180, pp. 363-373, 2009. DOI: 10.1016/j.jneumeth.2009.03.024.
  • Theunissen M, Swanepoel D, Hanekom JJ, “Sentence recognition in noise: variables in compilation and interpretation of tests”, International Journal of Audiology, vol 48, pp 743-757, 2009. [Note: This article was chosen as one of the outstanding articles for The Hearing Journal’s Best of Audiology Literature of 2009]
  • Smit JE, Hanekom T & Hanekom JJ, “Modelled temperature-dependent excitability behaviour of a generalised human peripheral sensory nerve fibre”, Biological Cybernetics, vol 101, pp 115-130, 2009. DOI 10.1007/s00422-009-0324-7.
  • Venter, P.J. and Hanekom, J.J., “Automatic Detection of African Elephant (Loxodonta Africana) Infrasonic Vocalizations from Recordings”, Biosystems Engineering, Vol 106, April 2010, pp. 286-294. DOI:10.1016/j.biosystemseng.2010.04.001.
  • Smit, J.E., Hanekom, T., Van Wieringen, A., Wouters, J. and Hanekom, J.J., “Threshold predictions of different pulse shapes using a human auditory nerve fibre model containing persistent sodium and slow potassium currents”, Hearing Research, vol 269, pp 12-22, 2010. DOI:10.1016/j.heares.2010.08.004.
  • Strydom, T. and Hanekom, J.J., The performance of different synthesis signals in acoustic models of cochlear implants”, Journal of the Acoustical Society of America, vol. 129 (2), Feb 2011, pp. 920-933. DOI: 10.1121/1.3518760.
  • Theunissen, M., Swanepoel, D., Hanekom, J.J., “The development of an Afrikaans test of sentence recognition thresholds in noise”, International Journal of Audiology, published online Nov 2010, doi:10.3109/14992027.2010.532511; Vol. 50 no. 2 Pages 77-85.
  • Strydom, T. and Hanekom, J.J., ” An analysis of the effects of electrical field interaction in cochlear implant listeners using an acoustic model”, Journal of the Acoustical Society of America, vol. 129 (4), April 2011, pp. 2213 – 2226. DOI: 10.1121/1.3518761