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Chapters and Reports

• Purcell, D.W. & Easwar, V. (2023 publisher date; released late fall 2021). Episode 2: Brainstem Responses to Complex Stimuli – Frequency and Envelope Following Responses, pages 196-206 within Chapter 6, Evoking Responses of the Central Auditory System: Testing the Brainstem. In J. Durrant, C. Fowler, J. Ferraro, S. Purdy (Editors), , Plural Publishing Inc., San Diego. ISBN13: 978-1-63550-175-9
• John, M.S. & Purcell, D.W. (2008). Chapter Two: Introduction to Technical Principles of Auditory Steady-State Response Testing. In G. Rance (Ed.), , Plural Publishing Inc., San Diego, 11-53. ISBN13: 978-1-59756-161-7
• Purcell, D.W. & Dajani, H. (2008). Chapter Three: The Stimulus-Response Relationship in Auditory Steady-State Response Testing. In G. Rance (Ed.), Auditory Steady-State Response: Generation, Recording and Clinical Applications, Plural Publishing Inc., San Diego, 55-82.

Articles in Peer-Reviewed Journals

• Easwar, V., Aiken, S., Beh, K., McGrath, E., Galloy, M., Scollie, S., Purcell, D. (2022, Aug. 24). Variability in the estimated amplitude of vowel-evoked envelope following responses caused by assumed neurophysiologic processing delays. Journal of the Association for Research in Otolaryngology, JARO (2022).
• Coughler, C., Hamel, E.M., Oram Cardy, J., Archibald, L. M. D., Purcell, D.W. (2021, June 18). Compensation to altered auditory feedback in children with developmental language disorder and typical development [Special Issue 2020 Conference on Motor Speech]. Journal of Speech, Language, and Hearing Research, 64(6S), 2363-2376.
• Easwar, V., Banyard, A., Aiken, S., Purcell, D.W. (2018, Sept. 21). Phase-locked responses to the vowel envelope vary in scalp-recorded amplitude due to across-frequency response interactions. European Journal of Neuroscience, 48(10), 3126-3145.
• Easwar, V., Purcell, D.W., Aiken, S.J., Parsa, V. & Scollie, S.D. (2015). Evaluation of speech-evoked envelope following responses as an objective aided outcome measure: Effect of stimulus level, bandwidth, and amplification in adults with hearing loss. Ear & Hearing, 36(6), 635-652. [Article won the 2015 American Auditory Society’s Ear & Hearing Editor's award for outstanding contribution to the literature on Hearing and Balance.].
• Mitsuya, T., MacDonald, E.N., Munhall, K.G. & Purcell, D.W. (2015 July). Formant compensation for auditory feedback with English vowels. Journal of the Acoustical Society of America, 138(1), 413-424. doi:

Visit for a comprehensive list of publications.

• Purcell, D. (2019-2024). Discovery Grant Renewal: Investigating the Generation of Envelope Following Responses Elicited by Vowels. Natural Sciences and Engineering Research Council of Canada (NSERC). $235,000.

Visit for a list of completed student theses and dissertations available in the repository.

Professor Purcell is currently accepting students for MSc and PhD, as well as combined MClSc/PhD in Health and Rehabilitation Sciences. Topics are consistent with the Research in Profile brief above. Please contact purcelld@nca.uwo.ca for information.

• National Centre for Audiology

• Faculty Scholar Award: 2019-2021
• Ontario Early Researcher Award: 2009-14
• °ÄÃÅÁùºÏ²Ê¿ª½±Ô¤²â Green Award: 2012
• University Students’ Council Teaching Honour Roll Award of Excellence: 2008, 2011
• Faculty of Health Sciences Recognition of Excellence (in Teaching): 2007, 2008, 2009, 2011, 2012, 2013, 2018, 2019
  
  

• International Evoked Response Audiometry Study Group Council