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DR DAVID GRAYDEN



Contact Details

Organization: Electrical and Electronic Engineering
Position: SENIOR LECTURER
Email:
Homepage: http://www.bionicear.org/people/graydend
Work: 45234
Level: 20
Building: Electrical and Electronic Engineering
Campus: Parkville

Research Expertise and International Linkages

Research Expertise

Research Interest Key Words Country of Expertise
Cochlear Implants Speech Processing Australia
Neural Modelling Speech Processing, Learning Australia
Epilepsy Prediction of seizures by EEG Australia

Qualifications, Honours, Fellowships and Other Awards

Qualifications

Title Institution Date Awarded Abbreviation
PhD in Electrical & Electronic Engineering University of Melbourne 31-Dec-1999
Bachelor of Engineering University of Melbourne 31-Dec-1990
Bachelor of Science University of Melbourne 31-Dec-1991

Memberships

Membership Type Membership Body Description Start Date End Date
Member Institute of Electrical and Electronic Engineers Member 01-Jan-1992
Member Australasian Speech Science and Technology Association, Inc Member and Secretary 01-Jan-1992

Other Awards

Award Type Awarding Body Comments Date Awarded
Other (Award) American Speech-Language-Hearing Association (ASHA) Publications Board 2006 Editors Award, Journal of Speech, Language, and Hearing Research 16-Nov-2007

Government Research Classifications

Research Fields, Courses and Discipline Classifications

Socio-Economic Objective Classifications

Grants and Contracts

Research Grants, Contracts and Consultancies awarded to the University of Melbourne as the administering institution (since 2003) as recorded in Themis Agreements.

Grants

Title Role Funding Source Scheme Award Date
Temporal Pattern Learning and Recognition in Neural Systems Chief Investigator AUST RESEARCH COUNCIL Discovery Projects 01/01/2007
Individualized cochlear implant sound coding: Optimized algorithms for better hearing Chief Investigator AUST RESEARCH COUNCIL,
COCHLEAR LIMITED		 Linkage Projects (AUST RESEARCH COUNCIL) 01/01/2008
Extending Communication for Patients with Post-Coma Unresponsiveness Chief Investigator HELEN MACPHERSON SMITH TRUST Research Grants 02/08/2008

Publications

Publications produced at the University of Melbourne and reported in the Annual Publications Collection and 'Research Report' since 2001. The Themis Publications module, released in November 2006, allows additional publications from previous institutions and publications from past years to be entered.

Publications in 2009

Journal Articles

  • Emergence of network structure due to spike-timing-dependent plasticity in recurrent neuronal networks. I. Input selectivity-strengthening correlated input pathways
    Year: 2009
    Journal: Biological Cybernetics
    Volume: 101
    Issue: 2
    Page numbers: 81-102
    Author(s):
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  • Emergence of network structure due to spike-timing-dependent plasticity in recurrent neuronal networks. II. Input selectivity—symmetry breaking
    Year: 2009
    Journal: Biological Cybernetics
    Volume: 101
    Issue: 2
    Page numbers: 103-114
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  • Seizure detection using seizure probability estimation: Comparison of features used to detect seizures
    Year: 2009
    Journal: Annals of Biomedical Engineering
    Volume: 37
    Issue: 10
    Page numbers: 2129-2145
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  • Speech coding with traveling wave delays: Desynchronizing cochlear implant frequency bands with cochlea-like group delays
    Year: 2009
    Journal: Speech Communication
    Volume: 51
    Issue: 11
    Page numbers: 1114-1123
    Author(s):
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Conference Publications/Papers

  • A Fully Flexible Stimulator using 65 nm CMOS Process for 1024-electrode Epi-retinal Prosthesis
    Year: 2009
    Event name: 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    Conference Publication: Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    Page numbers: 1643-1646
    Publisher: IEEE - Institute of Electrical and Electronic Engineers(Piscataway)
    Author(s):
  • The Effect of Visual Cues on Melody Segregation
    Year: 2009
    Event name: 6th Sound and Music Computing Conference
    Conference Publication: Proceedings of the 6th Sound and Music Computing Conference
    Page numbers: 228-232
    Publisher: INESC Porto(Porto)
    Author(s):
  • The Thalamocortical Circuit and the Generation of Epileptic Spikes in Rat Models of Focal Epilepsy
    Year: 2009
    Event name: 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    Conference Publication: Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    Page numbers: 1533-1536
    Publisher: IEEE - Institute of Electrical and Electronic Engineers(Piscataway)
    Author(s):

Publications in 2008

Journal Articles

  • A continuous wavelet transform algorithm for peak detection
    Year: 2008
    Journal: Electrophoresis
    Volume: 29
    Issue: 20
    Page numbers: 4215-4225
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Conference Publications/Papers

  • Capillary Electrophoresis (CE) Peak Detection using a Wavelet Transform Technique
    Year: 2008
    Event name: Smart Materials, Nano-, and Micro-Smart Systems 2008
    Conference Publication: Proceedings of SPIE: Smart Materials, Nano-, and Micro-Smart Systems 2008
    Volume: 7267-7270
    Page numbers: 727012-1 - 727012-12
    Publisher: Society of Photo-Optical Instrumentation Engineers (SPIE)(Bellingham)
    Author(s):
  • Correlation analysis of seizure detection features
    Year: 2008
    Event name: ISSNIP 2008. The 2008 International Conference on Intelligent Sensors, Sensor Networks and Information Processing
    Conference Publication: ISSNIP 2008. Proceedings of the 2008 International Conference on Intelligent Sensors, Sensor Networks and Information Processing
    Page numbers: 309-314
    Publisher: IEEE - Institute of Electrical and Electronic Engineers(Piscataway)
    Author(s):
  • Traveling wave based group delays for cochlear implant speech processing
    Year: 2008
    Event name: Interspeech 2008 incorporating SST 2008
    Conference Publication: Proceedings of Interspeech 2008 incorporating SST 2008
    Page numbers: 2207
    Publisher: International Speech Communication Association
    Author(s):

Publications in 2007

Journal Articles

  • Effect of age and cognition on childhood speech in noise perception abilities
    Year: 2007
    Journal: Audiology and Neuro-Otology
    Volume: 12
    Page numbers: 13-19
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Conference Publications/Papers

  • Constraining Neural Microcircuits with Surrogate Physiological Data and Genetic Algorithms


    Year: 2007
    Event name: 16th Annual Computational Neuroscience Meeting
    Conference Publication: Proceedings of the 16th Annual Computational Neuroscience Meeting
    Volume: 1
    Issue: 1
    Page numbers: 16-25
    Publisher: CNS- Organization for Computational Neurosciences(San Diego)
    Author(s):
  • Spike-timing dependent plasticity in recurrently connected networks with fixed external inputs
    Year: 2007
    Event name: 14th International Conference on Neural Information Processing (ICONIP 2007)
    Conference Publication: 14th International Conference on Neural Information Processing (ICONIP 2007)
    Page numbers: 1-1
    Publisher: ICONIP 2007(Kitakyushu)
    Author(s):

Publications in 2006

Book Chapters

  • Implant design and development
    Year: 2006
    Book: Cochlear Implants: A Practical Guide
    Publisher: Wiley - John Wiley & Sons(Chichester)
    Authors(s):
    Editors(s):

Journal Articles

  • Learning the structure of correlated synaptic subgroups using stable and competitive spike-timing-dependent plasticity
    Year: 2006
    Journal: Physical Review E
    Volume: 73
    Issue: 4
    Page numbers: 1-14
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  • Speech perception for adults who use hearing aids in conjunction with cochlear implants in opposite ears
    Year: 2006
    Journal: Journal of Speech Language and Hearing Research
    Volume: 49
    Page numbers: 338-351
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Conference Publications/Papers

  • A scheme for temporal pattern recognition
    Year: 2006
    Event name: Fifteenth Annual Computational Neuroscience Meeting
    Conference Publication: Fifteenth Annual Computational Neuroscience Meeting
    Page numbers: 39
    Publisher: CNS- Organization for Computational Neurosciences(San Diego)
    Author(s):
  • Differential-rate sound processing for cochlear implants
    Year: 2006
    Event name: Eleventh Australasian International Conference on Speech Science & Technology (SST-2006)
    Conference Publication: Eleventh Australasian International Conference on Speech Science & Technology (SST-2006)
    Page numbers: 323-328
    Publisher: The University of Auckland(Auckland)
    Author(s):
  • The effect of stimulation rate on spectral acuity in cochlear implant users
    Year: 2006
    Event name: Eleventh Australasian International Conference on Speech Science & Technology (SST-2006)
    Conference Publication: Eleventh Australasian International Conference on Speech Science & Technology (SST-2006)
    Page numbers: 341-345
    Publisher: The University of Auckland(Auckland)
    Author(s):

Publications in 2005

Journal Articles

  • Dynamically adjustable contrast enhancement from cortical background activity
    Year: 2005
    Journal: Neurocomputing
    Volume: 65-66
    Page numbers: 633-639
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Publications in 2004

Journal Articles

  • An analytical model for the 'Large, Fluctuating Synaptic Conductance State' typical of neocortical neurons In Vivo
    Year: 2004
    Journal: Journal of Computational Neuroscience
    Volume: 16
    Page numbers: 159-175
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  • Perceptual characterization of children with auditory neuropathy
    Year: 2004
    Journal: Ear and Hearing
    Volume: 25
    Issue: 1
    Page numbers: 34-46
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  • Spike-timing-dependent plasticity: The relationship to rate-based learning for models with weight dynamics determined by a stable fixed point
    Year: 2004
    Journal: Neural Computation
    Volume: 16
    Page numbers: 885-940
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  • Ventral Cochlear Nucleus Coding of Voice Onset Time in Naturally Spoken Syllables with An Initial Stop Consonant
    Year: 2004
    Journal: Hearing Research
    Volume: 190
    Issue: 1
    Page numbers: 37-59
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  • Ventral cochlear nucleus coding of voice onset time in naturally spoken syllables.
    Year: 2004
    Journal: Hearing Research
    Volume: 190
    Issue: 1-2
    Page numbers: 37-59
    Publisher: Elsevier Science(Amsterdam)
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Conference Publications/Papers

  • A Cochlear Implant Speech Processing Strategy Based on an Auditory Model
    Year: 2004
    Event name: Workshop on Bioinspired Models, 2004 International Conference on Intelligent Sensors, Sensor Networks and Information Processing
    Conference Publication: Proceedings of the 2004 Intelligent Sensors, Sensor Networks & Information Processing Conference
    Page numbers: 491-496
    Publisher: IEEE - Institute of Electrical and Electronic Engineers(Piscataway)
    Author(s):
  • A Neural Circuit Model of the Ventral Cochlear Nucleus
    Year: 2004
    Event name: 10th Australian International Conference on Speech Science & Technology
    Conference Publication: Proceedings of the 10th Australian International Conference on Speech Science & Technology
    Page numbers: 539-544
    Publisher: Australian Speech Science and Technology Association(Canberra)
    Author(s):
  • Mechanisms for the Perception of Concurrent Vowels
    Year: 2004
    Event name: 10th Australian International Conference on Speech Science & Technology
    Conference Publication: Proceedings of the 10th Australian International Conference on Speech Science & Technology
    Page numbers: 557-562
    Publisher: Australian Speech Science and Technology Association(Canberra)
    Author(s):

Publications in 2003

Journal Articles

  • Gain modulation and balanced synaptic input in a conductance-based neural model
    Year: 2003
    Journal: Neurocomputing
    Volume: 52-54
    Page numbers: 221-226
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  • Study of neuronal gain in a conductance-based leaky integrate-and-fire neuron model with balanced excitatory and inhibitory synaptic input
    Year: 2003
    Journal: Biological Cybernetics
    Volume: 89
    Page numbers: 119-125
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Conference Publications/Papers

  • Adaptive Filter for Speech Enhancement using Poisson Rates from an Auditory Model
    Year: 2003
    Event name: The Eighth Western Pacific Acoustics Conference: WESPAC VIII
    Conference Publication: WESPAC VIII Conference Proceedings: Acoustics on the Move
    Page numbers: 1-4
    Publisher: Australian Acoustical Society(Sydney)
    Author(s):

Publications in 2002

Journal Articles

  • The influence of visual cues on the perception of synthetic voiced stop consonants by children using cochlear implants
    Year: 2002
    Journal: Australian Journal of Psychology
    Volume: 54
    Issue: 1
    Page numbers: 62
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Conference Publications/Papers

  • Modulation Poisson Rate Estimation for Doubly Stochastic Auditory Processes
    Year: 2002
    Event name: Ninth Australian International Conference on Speech Science & Technology
    Conference Publication: Proceedings of the Ninth Australian International Conference on Speech Science & Technology
    Page numbers: 16-21
    Publisher: Australian Speech Science and Technology Association(Canberra)
    Author(s):
  • The Role of Visual Speech Cues in the Auditory Perception of Synthetic Stimuli by Children using a Cochlear Implant and Children with Normal Hearing
    Year: 2002
    Event name: Ninth Australian International Conference on Speech Science & Technology
    Conference Publication: Proceedings of the Ninth Australian International Conference on Speech Science & Technology
    Page numbers: 433-437
    Publisher: Australian Speech Science and Technology Association(Canberra)
    Author(s):
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