School of Communication Sciences and Disorders Auditory Cognitive Neuroscience Laboratory
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The ACNL directed by Gavin M. Bidelman, Ph.D. uses a coordinated blend of techniques including evoked potentials, computational modeling, and psychoacoustics to decipher the neural basis of complex auditory perception. Current projects are focused on understanding the neurocomputations involved in generating basic psychoacoustic phenomena and during music and speech listening. Complementary work examines the neuroplasticity induced by listening experience and training (e.g. music lessons, bilingualism) and how these influences positively affect listening skills. O

 

Dr. Bidelman gratefully acknowledges the funding support of:   

                                 AHRF_logo

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              AAAlogo

 

PERSONNEL

Director:
      Gavin M. Bidelman, Ph.D.   (CV)   (PubMed)


Students:

Chia-Cheng Lee, PhD student (CSD)
Chhayakant Patro, PhD student (CSD) 
Jill Lowther, AuD student (CSD)      
Ameenuddin Khaja , PhD student (CSD)     
Pouya Bashivan, PhD student (ECE)
Weilun Chung, PhD student (CSD)

Collaborators:
 Shaum Bhagat Ph.D., University of Memphis School of Comm. Sci. and Disorders       
 Sunghee Tak, Ph.D., University of Memphis Nursing
 Mohammed Yeasin, Ph.D., University of Memphis Electrical & Computer Engineering
 Bashir Morshed Ph.D., University of Memphis Electrical & Computer Engineering
 Claude Alain, Ph.D., Rotman Research Institute & University of Toronto
 Sylvain Moreno, Ph.D., Rotman Research Institute, Toronto
 Laurel Trainor, Ph.D., McMaster University, Psychology       
 Ian Bruce, Ph.D., McMaster University, Electrical & Computer Engineering 

 

Lab Alumni:

      Lauren Dexter, AuD
      Megan Howell, AuD
     Jon Schug, AuD
     Jeremy Grall, PhD student, PhD (music)

 

EQUIPMENT

Hardware

  • Neuroscan Synamps RT 64-ch EEG/ERP System
  • Tucker-Davis Technologies (TDT) System 3 Psychoacoustics Workstation
  • ER-2/ER-3/ER-30 Headphones
  • Sennheiser 280 Headphones

Software

  • Curry 7 Neuroimaging and Signal Processing Suite
  • MATLAB 2013
  • E-prime
  • TDT SigGenRP/BioSigRP\SykoFizX 2.0
  • SAS/SPSS Statistical Software

 

PUBLICATIONS 

Peer-Reviewed Journal Articles

2015

Bidelman, G. M., & Bhagat, S. P. (in press). Right ear advantage drives the link between olivocochlear efferent “antimasking” and speech-in-noise listening benefits. NeuroReport.

Hutka, S., Bidelman, G. M., & Moreno, S. (2015). Pitch expertise is not created equal: Cross-domain effects of music and tone language experience on neural and behavioural discrimination of speech and music. Neuropsychologia, 71, 52-63. (PDF)

Bidelman, G. M., & Dexter, L. (2015). Bilinguals at the "cocktail party": Dissociable neural activity in auditory-linguistic brain regions reveals neurobiological basis for nonnative listeners' speech-in-noise recognition deficits. Brain and Language, 143, 32-41. (PDF)

Bidelman, G. M.  (2015). Multichannel recordings of the human brainstem frequency-following response: Scalp topography, source generators, and distinctions from the transient ABR. Hearing Research, 323,68-80. (PDF)

Weiss, M. W., & Bidelman, G. M. (2015). Listening to the brainstem: Musicianship enhances intelligibility of subcortical representations for speech. Journal of Neuroscience, 35(4), 1687-1691. (PDF)

Bidelman, G. M. & Alain, C. (2015). Musical training orchestrates coordinated neuroplasticity in auditory brainstem and cortex to counteract age-related declines in categorical speech perceptionJournal of Neuroscience, 35(3) 1240 –1249.(PDF)

  [Press: CBS News | The Washington Post | National Post]

Bidelman, G. M. (2015). Towards an optimal paradigm for simultaneously recording cortical and brainstem auditory evoked potentials. Journal of Neuroscience Methods, 241, 94-100. (PDF)

Bidelman, G. M., & Alain, C. (2015). Hierarchical neurocomputations underlying concurrent sound segregation: Connecting periphery to percept. Neuropsychologia, 68, 38-50. (PDF)

Bidelman, G. M. (2015). Induced neural beta oscillations predict categorical speech perception abilities. Brain and Language, 141, 62-69. (PDF)

2014

Bashivan, P., Bidelman, G. M., & Yeasin, M. (2014). Spectrotemporal dynamics of the EEG during working memory encoding and maintenance predicts individual behavioral capacity. European Journal of Neuroscience, 40(12), 3774–3784. (PDF)

Arsenault, J., He, Y., Bidelman, G., & Alain, C. (2014). The impact of context on the perceptual organization of speech. Journal of the Canadian Acoustical Association, 42, 72-73. (PDF)

Bidelman, G. M., Grall, J. (2014). Functional organization for musical consonance and tonal pitch hierarchy in human auditory cortex. NeuroImage, 101, 204-214. (PDF)

Bidelman, G. M., Schug, J. M., Jennings, S. G., & Bhagat, S. P. (2014). Psychophysical auditory filter estimates reveal sharper cochlear tuning in musicians. Journal of the Acoustical Society of America, 136(1), EL33-39. (PDF)

Bidelman, G. M. (2014). Objective information-theoretic algorithm for detecting brainstem evoked responses to complex stimuli. Journal of the American Academy of Audiology, 25(8), 1-12. (PDF)

Bidelman, G. M., Villafuerte, J. W., & Moreno, S., & Alain, C. (2014). Age-related changes in the subcortical-cortical encoding and categorical perception of speech. Neurobiology of Aging, 35(11), 2526-2540. (PDF)

Bidelman, G. M., Weiss, M. W., Moreno, S., & Alain, C. (2014). Coordinated plasticity in brainstem and auditory cortex contributes to enhanced categorical speech perception in musicians. European Journal of Neuroscience, 40, 2662 - 2673. (PDF)

Bidelman, G. M. & Khaja, A. (2014). Spectrotemporal resolution tradeoff in auditory processing as revealed by human auditory brainstem responses and psychophysical indices. Neuroscience Letters, 572, 53-57. (PDF)

Moreno, S. & Bidelman, G. M. (2014). Understanding neural plasticity and cognitive benefit through the unique lens of musical training. Hearing Research, 308, 84-97. [invited paper] (PDF)

Trainor, L. J., Marie, C., Bruce, I. C., & Bidelman, G. M. (2014). Explaining the high voice superiority effect in polyphonic music: Evidence from cortical evoked potentials and peripheral auditory models. Hearing Research, 308, 60-70. [invited paper] (PDF)

 Alain, C., Zendel, B. R., Hutka, S., & Bidelman, G. M. (2014). Turning down the noise: The benefit of musical training on the aging auditory brain. Hearing Research, 308, 162-173. [invited paper] (PDF)

2013

Hutka, S., Bidelman, G. M., & Moreno, S. (2013). Brain signal variability as a window into the bidirectionality between music and language processing: Moving from a linear to a nonlinear model. Frontiers in Psychology, 4(984), 1-11(PDF)

Hutka, S. A., Binns, M. A., Bidelman, G.M., & Alain, C. (2013). Age-related differences in the sequential organization of speech sounds. Journal of the Acoustical Society of America, 133(6), 4177-4187. (PDF)

Bidelman, G. M., Moreno, S., & Alain, C. (2013). Tracing the emergence of categorical speech perception in the human auditory system. NeuroImage, 79(1), 201-212. (PDF)

Bidelman, G. M. (2013). The role of the auditory brainstem in processing musically-relevant pitch. Frontiers in Psychology, 4(264), 1-13. (PDF)

Bidelman, G.M., Hutka, S., & Moreno, S. (2013). Tone language speakers and musicians share enhanced perceptual and cognitive abilities for musical pitch: Evidence for bidirectionality between the domains of language and music. PLoS One, 8(4), e60676. (PDF)   

           [Press: NY Times | Huffington Post Globe & Mail  |  Science Daily]

 2012

Krishnan, A., Bidelman, G. M., Smalt, C. J., Ananthakrishnan, S., & Gandour, J. T (2012). Relationship between brainstem, cortical, and behavioral measures relevant to pitch salience in humans. Neuropsychologia, 50(12), 2849-2859. (PDF)

Smalt, C. J., Krishnan, A., Bidelman, G. M., Ananthakrishnan, S., & Gandour, J. T. (2012). Distortion products and their influence on representation of pitch-relevant information in the human brainstem for unresolved harmonic complex tones. Hearing Research, 292(1-2), 26-34. (PDF)

Krishnan, A., Gandour, J. T., & Bidelman, G. M. (2012). Experience-dependent plasticity in pitch encoding: From brainstem to auditory cortex. NeuroReport, 23(8), 498-502. [invited review] (PDF)

2011

Krishnan, A., Gandour, J. T., Ananthakrishnan, S., Bidelman, G. M., & Smalt, C. J. (2011). Functional ear (a)symmetry in brainstem neural activity relevant to encoding of voice pitch: A precursor for hemispheric specialization? Brain and Language,119(3), 226-231. (PDF)

Krishnan, A., Gandour, J. T., Ananthakrishnan, S., Bidelman, G. M., & Smalt, C. J. (2011). Linguistic status of timbre influences pitch encoding in the brainstem. NeuroReport, 22(16), 801-803. (PDF)

Bidelman, G. M., Gandour, J.T., & Krishnan, A. (2011). Musicians demonstrate experience-dependent brainstem enhancement of musical scale features within continuously gliding pitch. Neuroscience Letters,503(3),203-207. (PDF)

Bidelman, G. M. & Heinz, M. G. (2011). Auditory-nerve responses predict pitch attributes related to musical consonance-dissonance for normal and impaired hearing. Journal of the Acoustical Society of America,130(3), 1488-1502. (PDF)

Bidelman, G. M., Gandour, J. T., & Krishnan, A. (2011). Musicians and tone-language speakers share enhanced brainstem encoding but not perceptual benefits for musical pitch. Brain & Cognition, 77(1), 1-10. (PDF)

Henry, K. S., Gall, M. D., Bidelman, G. M., & Lucas, J. R. (2011). Songbirds trade off auditory frequency resolution and temporal resolution. Journal of Comparative Physiology-A, 197(4), 351-359. (PDF)

Bidelman, G. M. & Krishnan, A. (2011). Brainstem correlates of behavioral and compositional preferences of musical harmony. NeuroReport, 22(5), 212-216. (PDF)

Bidelman, G. M., Krishnan, A., & Gandour, J. T. (2011). Enhanced brainstem encoding predicts musicians’ perceptual advantages with pitch. European Journal of Neuroscience, 33(3), 530-538. (PDF)

Bidelman, G. M., Gandour, J. T., & Krishnan, A. (2011). Cross-domain effects of music and language experience on the representation of pitch in the human auditory brainstem. Journal of Cognitive Neuroscience, 23(2), 424-434. (PDF)

 2010

Bidelman, G. M., & Krishnan, A. (2010). Effects of reverberation on brainstem representation of speech in musicians and non-musicians. Brain Research, 1355, 112-125. (PDF)

Krishnan, A., Bidelman, G. M., & Gandour, J. T. (2010). Neural representation of pitch salience in the human brainstem revealed by psychophysical and electrophysiological indices. Hearing Research, 268(1-2), 60-66. (PDF)

Krishnan, A., Gandour, J. T., Smalt, C. J., & Bidelman, G. M. (2010). Language-dependent pitch encoding advantage in the brainstem is not limited to acceleration rates that occur in natural speech. Brain and Language, 114(3), 193-198. (PDF)

Krishnan, A., Gandour, J. T., & Bidelman, G. M. (2010). Brainstem pitch representation in native speakers of Mandarin is less susceptible to degradation of stimulus periodicity. Brain Research, 1313, 124-133. (PDF)

Krishnan, A., Gandour, J. T., & Bidelman, G. M. (2010). The effects of tone language experience on pitch processing in the brainstem. Journal of Neurolinguistics, 23(1), 81-95. (PDF) 

2009

Bidelman, G. M. & Krishnan, A. (2009). Neural correlates of consonance, dissonance, and the hierarchy of musical pitch in the human brainstem. Journal of Neuroscience, 29(42), 13165–13171. (PDF)

Krishnan, A., Gandour, J. T., Bidelman, G. M., & Swaminathan, J. (2009). Experience-dependent neural representation of dynamic pitch in the brainstem. NeuroReport, 20, 408-413. (PDF)

Book Chapters and Conference Proceedings

Feng, S. & Bidelman, G. M. (2015). Music listening and song familiarity modulate mind wandering and behavioral success during lexical processing. Annual Meeting of the Cognitive science Society (CogSci 2015), Pasadena, CA, July 22- 25, 2015.

Mahajan, R., Majmudar, C. A., Khatun, S., Morshed, B. I., & Bidelman, G. M. (2014). NeuroMonitor Ambulatory EEG Device: Comparative Analysis and Its Application for Cognitive Load Assessment. Proceedings of the Healthcare Innovations and Point-of-Care Technologies Conference (HICPT'14), Seattle, WA, October 7–10, 2014. (PDF)

Bashivan, P., Bidelman, G. M., & Yeasin, M. (2014). Modulation of brain connectivity by cognitive load in the working memory Network. Proceedings on the IEEE Symposium Series on Computational Intelligence (IEEE SSCI),Orlando, FL, December 9–12, 2014. (PDF)

Arsenault, J., He, Y., Bidelman, G. M., & Alain, C. (2014). The impact of context on the perceptual organization of speech. Proceedings of the Canadian Acoustical Association, Winnipeg, MB, Canada, October 7–10, 2014.

Bashivan, P., Bidelman, G. M., &Yeasin, M. (2013). Neural correlates of visual working memory load through unsupervised spatial filtering of EEG. Proceedings of Machine Learning and Interpretation in Neuroimaging (MLINI’13), Lake Tahoe, NV, December 9–10, 2013. (PDF)

Pavlik, P., Hua, H., Williams, J., & Bidelman, G. M. (2013). Modeling and Optimizing Forgetting and Spacing Effects during Musical Interval Training. Proceedings of 6th International Conference on Educational Data Mining, Memphis, TN, July 69, 2013. (PDF)

Gandour, J.,Krishnan, A., & Bidelman, G. M.(2010). Neural substrates of lexical tone as revealed at different stages of cortical and subcortical processing.Proceedings of the 7th International Conference on Cognitive Science(pp. 32-33). Beijing, China: University of Science and Technology of China Press. 

 

 

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