Curriculum Vitae for:

Sandy Throckmorton

Phone: 855-979-9663

Email: sandy@signalanalysissolutions.com

22 Piney Grove Rd.
Bahama, NC 27503

Chandra S. Throckmorton holds a BS in electrical engineering from the University of Texas (Arlington) and MS and PhD degrees in electrical engineering from Duke University and has been a Senior Research Scientist at Duke University since 2008. She was the co-founder of Signal Analysis Solutions, LLC in 2013 and before that co-founder New Folder Consulting, companies that have applied advanced data analytic techniques to a wide variety of research topics. She has been lead researcher on multiple statistical signal processing algorithm development efforts with a focus on applying advanced machine learning and classical Bayesian data analytic techniques to real-world problems.

Education:

Ph.D.: Electrical Engineering (Signal Processing) 2001
Duke University Durham, NC

MS: Electrical Engineering (Signal Processing) 1998
Duke University Durham, NC

BS: Electrical Engineering 1995
University of Texas – Arlington Arlington, TX

Professional Experience:

Signal Analysis Solutions, LLC, Durham, NC 2013 to Present
Co-founder

  • Apply data analytics techniques to detection and classification problems. Current and past projects have included analysis of laser-induced breakdown spectroscopy (LIBS) data, x-ray imagery data, accelerometer data, and spectroscopic data.
  • Write custom software to allow non-experts to robustly apply data analytics techniques without expert oversight

Duke University, Durham, NC 1996 to 2018
Senior Research Scientist 2008 – 2018
Research Scientist 2004 – 2007
Research Associate 2002 – 2003
Research Assistant 1996 – 2001

  • Certified by the Duke Internal Review Board (IRB) for over 20 years to personally run experiments with human subjects and monitor experiments run by students involving human subjects.
  • Have served as the principal investigator (PI) or co-PI on multiple grants and contracts:
    Co-PI    “Using Machine Learning to Mitigate Reverberation Effects in Cochlear Implants”
    NIH/NIDCD   $1,800,000   07/2015 – 07/2020Co-PI    “Towards Clinical Acceptability: Enhancing the P300-Based Brain Computer Interface”
    NIH/NIDCD $2,000,000 09/2009 – 09/2016Co-PI   “Implementation and Tuning of Multi-Rate Speech Processors for Cochlear Implants”
    NIH/NIDCD $750,000 01/2006 – 12/2010

    PI “Classification of Ultrasonic Object Measurements through Physics-Based Model Inversion”
    Signalscape $135,000 04/2007 – 06/2008
    Signalscape $125,000 08/2008 – 03/2009
    Signalscape $125,000 08/2009 – 04/2010

  • Managed biomedical research lab, designing experimental protocols, guiding research directions, mentoring graduate students, and ensuring project goals were met
  • Lead researcher on multiple statistical signal processing algorithm development efforts with a focus on applying advanced machine learning, pattern recognition, and classical Bayesian data analytic techniques to real-world problems. Current and past projects have included analysis of speech recognition data, electroencephalography (EEG) responses, eye gaze data, linguistic and emotion content in speech, ultrasound data, LIBS data, ground-penetrating radar (GPR) measurements, and electromagnetic induction (EMI) data.

New Folder Consulting, LLC, Durham, NC – 2009 to 2013
Co-founder

  • Developed software that provided real-time chemometric assessment of ink samples using LIBS data
  • Applied data analytic techniques to multiple detection and classification problems, including discrimination of objects using spectroscopic data and detecting rebar in concrete using GPR data.
  • Served as PI on a Small Business Technology Transfer (STTR) grant with the goal of providing custom software to cochlear implant wearers that would allow adjustment of their devices without clinical intervention:
    PI  “Towards Home-Fitting Software for Cochlear Implants”
    NIH/NIDCD $100,000 09/2011 – 09/2013

Other Experience

  • Served on the NIH Sensory Technologies Small Business Grant Review panel 01/2012 – 11/2015

Publications, papers & Reports:

  1. Harmon, R.S., Throckmorton, C.S., Hark, R.R., Gottfried, J.L., Worner, G., Harpp, K., Collins, L.M., “Discriminating volcanic centers with handheld laser-induced breakdown spectroscopy (LIBS),” Journal of Archaelogical Science, October 2018.
  2. Ryan, D.B., Colwell, K.A., Throckmorton, C.S., Collins, L.M., Caves, K., and Sellers, E.W., “Evaluating brain-computer interface performance in an ALS population: Checkerboard and color paradigms,” Clinical EEG and Neuroscience, October 2017.
  3. Kalika, D., Collins, L., Caves, K., Throckmorton, C., “Fusion of P300 and eye-tracker data forspelling using BCI2000,”  Journal of Neural Engineering, August 2017.
  4. Mainsah, B.O., Reeves, G., Collins, L.M., and Throckmorton, C.S., “Optimizing the stimulus presentation paradigm design for the P300-based brain-computer interface using performance prediction,”  Journal of Neural Engineering, June 2017.
  5. Harmon, R.S., Hark, R.R., Throckmorton, C.S., Rankey, E.C., Wise, M.A., Somers, A.M., and Collins, L.M., “Geochemical fingerprinting by handheld Laser-Induced Breakdown Spectroscopy (LIBS),” Geostandards and Geoanalytical Research, June 2017.
  6. Clements, J.M., Sellers, E.W., Ryan, D.B., Caves, K., Collins, L.M., and Throckmorton, C.S., “Applying dynamic data collection to improve dry electrode system performance for a P300- based brain computer interface,”  Journal of Neural Engineering, November 2016.
  7. Mainsah, B.O., Collins, L.M., and Throckmorton, C.S., “Using detectability index to pre-assess P300 performance,” Journal of Neural Engineering, October 2016.
  8. Czarnek, N., Morton, K., Collins, L., Tantum, S., and Throckmorton, C., “The impact of time on seizure prediction performance in the FSPEEG database,” Epilepsy & Behavior, July 2015.
  9. Throckmorton, C.S., Mayew, W.J., Venkatachalam, M., and Collins, L.M., “Fraud detection using vocal, linguistic, and financial cues,” Decision Support Systems, June 2015.
  10. Mainsah, B.O., Collins, L.M., Colwell, K.A., Sellers, E.W., Ryan, D.B., Caves, K., and Throckmorton, C.S., “Increasing BCI communication rates with dynamic stopping towards more practical use: an ALS study,” Journal of Neural Engineering, Vol. 12, January 2015.
  11. Mainsah, B.O., Morton, K.D., Collins, L.M., Sellers, E.W., and Throckmorton, C.S., “Moving away from error-related potentials to achieve spelling correction in P300 spellers,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, November 2014.
  12. Colwell, K.A., Throckmorton, C.S., Collins, L.M., and Morton, K.D., “Projected accuracy metric for the P300 speller,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, September 2014.
  13. Mainsah, B.O., Colwell, K.A., Collins, L.M., and Throckmorton, C.S., “Utilizing a language model to improve online dynamic data collection in P300 spellers,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, July 2014.
  14. Colwell, K.A., Ryan, D.B., Throckmorton, C.S., Sellers, E.W., and Collins, L.M., “Channel selection methods for the P300 speller,” Journal of Neuroscience Methods, July 2014.
  15. Desmond, J.M., Collins, L.M., and Throckmorton, C.S., “The effects of reverberant self- and overlap-masking on speech recognition in cochlear implant listeners,” Journal of the Acoustical Society of America, June 2014.
  16. Desmond, J.M., Collins, L.M., and Throckmorton, C.S., “Using channel-specific statistical models to detect reverberation in cochlear implant stimuli,” Journal of the Acoustical Society of America, August 2013.
  17. Throckmorton, C.S., Colwell, K.A., Ryan, D.B., Sellers, E.W., and Collins, L.M., “Bayesian approach to dynamically controlling data collection in P300 spellers,” IEEE  Transactions on Neural Systems and Rehabilitation Engineering, May 2013.
  18. Duran, S.I., Collins, L.M., and Throckmorton, C.S., “Stream segregation on a single electrode as a function of pulse rate in cochlear implant listeners,” Journal of the Acoustical  Society of America, December 2012.
  19. Stohl, J. S., Throckmorton, C. S., and Collins, L. M., “Investigating the effects of stimulus duration and context on pitch perception by cochlear implant users,” Journal of the Acoustical Society of America, July 2009.
  20. Morton, K. D., Torrione, P. A., Throckmorton, C. S., and Collins, L. M., “Mandarin Chinese tone identification in cochlear implants: Predictions from acoustic models,” Hearing Research, October 2008.
  21. Stohl, J. S., Throckmorton, C. S., and Collins, L. M., “Assessing pitch structure due to multiple rates and places in cochlear implants,” Journal of the Acoustical Society of America, February 2008.
  22. Remus, J. J., Throckmorton, C. S., and Collins, L. M., “Expediting the identification of impaired channels in cochlear implants via analysis of speech-based confusion matrices,” IEEE Transactions on Biomedical Engineering, December 2007.
  23. Throckmorton, C. S., Kucukoglu, M. S., Remus, J. J., and Collins, L. M., “The effect of frequency estimation on speech recognition using an acoustic model of a cochlear implant,” Hearing Research, June 2007.
  24. Throckmorton, C. S., Tantum, S. L., Tan, Y. Y., and Collins, L. M., “Independent component analysis for UXO detection in highly cluttered environments,” Journal of Applied Geophysics, March 2007.
  25. Throckmorton, C. S., Kucukoglu, M. S., Remus, J. J., and Collins, L. M., “Acoustic model investigation of a multiple carrier frequency algorithm for encoding fine frequency structure:
    Implications for cochlear implants,” Hearing Research, June 2006.
  26. Torrione, P. A., Throckmorton, C. S., Collins, L. M., “Performance of an adaptive feature-based processor for a wideband ground penetrating radar system,” IEEE Transactions on Aerospace and Electronic Systems, April 2006.
  27. Throckmorton, C. S., and Collins, L. M., “The effect of channel interactions on speech recognition in cochlear implant subjects: predictions from an acoustic model,” J. Acoust. Soc. Am., July 2002.
  28. Throckmorton, C. S., and Collins, L. M., “A comparison of the performance of two loudness balancing tasks in cochlear implant subjects,” Ear and Hearing, October 2001.
  29. Collins, L. M., and Throckmorton, C. S., “Investigating perceptual features of electrode stimulation via a multidimensional scaling paradigm,” J. Acoust. Soc. Am., November 2000.
  30. Throckmorton, C.S. and Collins, L.M., “Investigation of the effects of temporal and spatial interactions on speech recognition skills in cochlear implant subjects,” J. Acoust. Soc. Am., February 1999.
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