T W Picton

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. ncbi Intracerebral sources of human auditory-evoked potentials
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Audiol Neurootol 4:64-79. 1999
  2. ncbi Multiple auditory steady-state responses
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Ann Otol Rhinol Laryngol Suppl 189:16-21. 2002
  3. ncbi Human auditory steady-state responses
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Int J Audiol 42:177-219. 2003
  4. ncbi Human auditory steady-state responses to changes in interaural correlation
    Hilmi R Dajani
    Rotman Research Institute at Baycrest and University of Toronto, 3560 Bathurst Street, Toronto, Ont, Canada M6A 2E1
    Hear Res 219:85-100. 2006
  5. ncbi Scalp topography and intracerebral sources for ERPs recorded during auditory target detection
    Antoine J Shahin
    Center for Mind and Brain, University of California Davis, Davis, CA, USA
    Brain Topogr 19:89-105. 2006
  6. ncbi Mismatch negativity: different water in the same river
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Audiol Neurootol 5:111-39. 2000
  7. ncbi Guidelines for using human event-related potentials to study cognition: recording standards and publication criteria
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada
    Psychophysiology 37:127-52. 2000
  8. ncbi The correction of ocular artifacts: a topographic perspective
    T W Picton
    Rotman Research Institute, University of Toronto, Ontario, Canada
    Clin Neurophysiol 111:53-65. 2000
  9. ncbi Cortical oscillations modulated by congruent and incongruent audiovisual stimuli
    A T Herdman
    The Rotman Research Inst, Baycrest Centre for Geriatric Care, University of Toronto, Toronto, Canada
    Neurol Clin Neurophysiol 2004:15. 2004
  10. ncbi The use of phase in the detection of auditory steady-state responses
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, 3560 Bathurst Street, Toronto, Ontario, Canada M6A 2E1
    Clin Neurophysiol 112:1698-711. 2001

Detail Information

Publications46

  1. ncbi Intracerebral sources of human auditory-evoked potentials
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Audiol Neurootol 4:64-79. 1999
    ..The analyses also suggested the possibility of additional sources in the frontal lobes...
  2. ncbi Multiple auditory steady-state responses
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Ann Otol Rhinol Laryngol Suppl 189:16-21. 2002
    ..Responses to amplitude and frequency modulation may also become helpful in assessing suprathreshold auditory processes, such as those necessary for speech perception...
  3. ncbi Human auditory steady-state responses
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Int J Audiol 42:177-219. 2003
    ..These responses are useful for objectively evaluating auditory thresholds, assessing suprathreshold hearing, and monitoring the state of arousal during anesthesia...
  4. ncbi Human auditory steady-state responses to changes in interaural correlation
    Hilmi R Dajani
    Rotman Research Institute at Baycrest and University of Toronto, 3560 Bathurst Street, Toronto, Ont, Canada M6A 2E1
    Hear Res 219:85-100. 2006
    ..31). This steady-state response may prove useful in the objective investigation of binaural hearing...
  5. ncbi Scalp topography and intracerebral sources for ERPs recorded during auditory target detection
    Antoine J Shahin
    Center for Mind and Brain, University of California Davis, Davis, CA, USA
    Brain Topogr 19:89-105. 2006
    ..Perceptual discrimination is related to interactions between the frontal and temporal regions, stimulus-response association occurs in the temporo-parietal regions and post-perceptual processing in the right temporo-parietal region...
  6. ncbi Mismatch negativity: different water in the same river
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Audiol Neurootol 5:111-39. 2000
    ..Improvements in the techniques for measuring the MMN and in the paradigms for eliciting it will be needed before the MMN can become clinically useful as an objective measurement of such disorders in individual patients...
  7. ncbi Guidelines for using human event-related potentials to study cognition: recording standards and publication criteria
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada
    Psychophysiology 37:127-52. 2000
    ..The data must then be analyzed and presented in a way that allows different studies to be compared readily. This paper presents guidelines for recording ERPs and criteria for publishing the results...
  8. ncbi The correction of ocular artifacts: a topographic perspective
    T W Picton
    Rotman Research Institute, University of Toronto, Ontario, Canada
    Clin Neurophysiol 111:53-65. 2000
    ..To evaluate the scalp topography of the potentials related to saccades and blinks...
  9. ncbi Cortical oscillations modulated by congruent and incongruent audiovisual stimuli
    A T Herdman
    The Rotman Research Inst, Baycrest Centre for Geriatric Care, University of Toronto, Toronto, Canada
    Neurol Clin Neurophysiol 2004:15. 2004
    ..Results from this study further support the concept of interactions between the auditory and visual sensory cortices in multi-sensory processing of audiovisual objects...
  10. ncbi The use of phase in the detection of auditory steady-state responses
    T W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, 3560 Bathurst Street, Toronto, Ontario, Canada M6A 2E1
    Clin Neurophysiol 112:1698-711. 2001
    ..To investigate how phase measurements might facilitate the detection of auditory steady-state responses...
  11. ncbi Weighted averaging of steady-state responses
    M S John
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, 3560 Bathurst Street, Ontario, M6A 2E1, Toronto, Canada
    Clin Neurophysiol 112:555-62. 2001
    ..Weighted averaging underestimated the amplitude of the responses by about 2%. CONCLUSION: Weighted averaging should be used instead of normal averaging for detecting steady-state responses...
  12. ncbi Detection of power changes between conditions using split-half resampling of synthetic aperture magnetometry data
    W Chau
    The Rotman Research Institute of Baycrest Centre, University of Toronto, Toronto, Canada
    Neurol Clin Neurophysiol 2004:24. 2004
    ..The method of split-half resampling should therefore be useful for localizing significant differences in brain activity between conditions within individual subjects...
  13. ncbi Correlates of eye blinking as determined by synthetic aperture magnetometry
    T Bardouille
    The Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Ont, Canada M6A 2E1
    Clin Neurophysiol 117:952-8. 2006
    ..To evaluate the spatiotemporal characteristics of ocular and cerebral current sources during voluntary eyeblinking...
  14. doi Attention modulates beta oscillations during prolonged tactile stimulation
    T Bardouille
    Rotman Research Institute, Baycrest Centre, University of Toronto, 3560 Bathurst Street, Toronto, ON M6A2E1, Canada
    Eur J Neurosci 31:761-9. 2010
    ..Modulation of neural activity in such a large sensorimotor network indicates a role for beta activity in higher-order processing...
  15. ncbi Bottom-up and top-down influences on auditory scene analysis: evidence from event-related brain potentials
    C Alain
    Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada
    J Exp Psychol Hum Percept Perform 27:1072-89. 2001
    ..Brain electrical source analyses showed that distinguishing simultaneous auditory objects involved a widely distributed neural network that included auditory cortices, the medial temporal lobe, and posterior association cortices...
  16. ncbi Multiple auditory steady-state responses to AM and FM stimuli
    M S John
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Audiol Neurootol 6:12-27. 2001
    ..Since AM responses generally occur with a slightly later phase delay than FM responses, the largest MM response is recorded when the maximum frequency of the MM stimulus occurs just after the maximum amplitude...
  17. ncbi Human auditory steady-state responses to tones independently modulated in both frequency and amplitude
    A Dimitrijevic
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Ear Hear 22:100-11. 2001
    ..IAFM stimuli therefore show promise as an objective test for assessing suprathreshold hearing...
  18. ncbi MASTER: a Windows program for recording multiple auditory steady-state responses
    M S John
    Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Canada
    Comput Methods Programs Biomed 61:125-50. 2000
    ..The instrument uses a popular programming language (LabVIEW) and a commercial data acquisition board (AT-MIO-16E-10), both of which are available from National Instruments...
  19. ncbi The effect of attention on the auditory steady-state response
    B Ross
    The Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, ON, Canada
    Neurol Clin Neurophysiol 2004:22. 2004
    ..In contrast, transient gamma-band and N1 responses were not affected by the different states of attention...
  20. ncbi Efficient stimuli for evoking auditory steady-state responses
    M S John
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Ear Hear 24:406-23. 2003
    ..To compare the magnitudes of the steady-state responses evoked by several types of stimuli, and the times required to recognize these responses as significant...
  21. ncbi Human auditory steady-state responses: the effects of recording technique and state of arousal
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Toronto, Canada
    Anesth Analg 97:1396-402. 2003
    ..These findings combine with previous literature on the effects of general anesthetics on the ASSR to confirm that the ASSR is a valid option for monitoring the hypnotic effects of general anesthetics...
  22. ncbi Physiological detection of interaural phase differences
    Bernhard Ross
    Rotman Research Institute, Baycrest Center and University of Toronto, Toronto, M6A 2E1, Canada
    J Acoust Soc Am 121:1017-27. 2007
    ..The procedure has potential applications in investigating impaired binaural processing because phase statistic applied to single epoch MEG data allowed individual thresholds to be obtained...
  23. ncbi Human temporal auditory acuity as assessed by envelope following responses
    David W Purcell
    The Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario M6A 2E1, Canada
    J Acoust Soc Am 116:3581-93. 2004
    ..72). The EFR techniques investigated here might be developed into a clinically useful objective estimate of temporal auditory acuity for subjects who cannot provide reliable behavioral responses...
  24. ncbi Advantages and caveats when recording steady-state responses to multiple simultaneous stimuli
    M Sasha John
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Ontario
    J Am Acad Audiol 13:246-59. 2002
    ..Although these interactions are interesting physiologically, their small size means that they do not lessen the advantages of the multiple-stimulus approach...
  25. ncbi Concurrent measurement of distortion product otoacoustic emissions and auditory steady state evoked potentials
    David W Purcell
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, 3560 Bathurst Street, Toronto, ON, Canada M6A 2E1
    Hear Res 176:128-41. 2003
    ..3 and 9.6 ms at 180 Hz. From a model of the mechanical transmission in the cochlea, delays between the basilar membrane and the generator of the ASSR were estimated as 15.4, 12.2 and 15.3 ms at 85 Hz and 8.6, 7.6 and 8.0 ms at 180 Hz...
  26. ncbi Envelope following responses to natural vowels
    Steven J Aiken
    Rotman Research Institute, Baycrest Centre for Geriatric Care and University of Toronto, Toronto, Canada
    Audiol Neurootol 11:213-32. 2006
    ..These results support the use of a Fourier analyzer to measure envelope following responses to natural speech...
  27. ncbi Age-related changes in transient and oscillatory brain responses to auditory stimulation in healthy adults 19-45 years old
    Catherine Poulsen
    Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, 3801 University Street, Montreal, Canada
    Cereb Cortex 17:1454-67. 2007
    ..These results indicate persistent adaptation of cortical auditory processes into middle adulthood. We speculate that experience-driven myelination and/or refinement of inhibitory circuits may underlie these changes...
  28. ncbi Enhanced anterior-temporal processing for complex tones in musicians
    Antoine J Shahin
    Rotman Research Institute of Baycrest, Toronto, Ont, Canada
    Clin Neurophysiol 118:209-20. 2007
    ..To examine how auditory brain responses change with increased spectral complexity of sounds in musicians and non-musicians...
  29. ncbi Human auditory steady-state responses during sweeps of intensity
    Terence W Picton
    Rotman Research Institute at Baycrest Centre for Geriatric Care, University of Toronto, Canada
    Ear Hear 28:542-57. 2007
    ..To record steady-state responses to amplitude-modulated tones that change their intensity over time and to see how well behavioral thresholds can be estimated from such responses...
  30. ncbi Cortical responses to the 2f1-f2 combination tone measured indirectly using magnetoencephalography
    David W Purcell
    Rotman Research Institute at Baycrest, Toronto, Ontario, Canada
    J Acoust Soc Am 122:992-1003. 2007
    ..The perceived magnitude of the combination tone is not determined by the measured physiological response at either the cochlea or the cortex...
  31. ncbi Aging in binaural hearing begins in mid-life: evidence from cortical auditory-evoked responses to changes in interaural phase
    Bernhard Ross
    Rotman Research Institute, Baycrest Centre, and University of Toronto, Toronto, Ontario, Canada M6A 2E1
    J Neurosci 27:11172-8. 2007
    ..This study provides evidence from human physiological data for the early onset of biological aging in binaural hearing...
  32. doi Attenuation of the 40-hertz auditory steady state response by propofol involves the cortical and subcortical generators
    Gilles Plourde
    Department of Anesthesia, McGill University, Montreal, Quebec, Canada
    Anesthesiology 108:233-42. 2008
    ..They also examined the effect of propofol on two auditory evoked potentials of cortical origin: the N1 and the sustained potential...
  33. ncbi Estimating the audiogram using multiple auditory steady-state responses
    Andrew Dimitrijevic
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Ontario
    J Am Acad Audiol 13:205-24. 2002
    ..These responses were attenuated by white noise presented concurrently through the bone conductor...
  34. ncbi Cortical oscillations related to processing congruent and incongruent grapheme-phoneme pairs
    Anthony T Herdman
    The Rotman Research Institute at Baycrest Centre, 3560 Bathurst Street, Toronto, Ont, Canada M6A 2E1
    Neurosci Lett 399:61-6. 2006
    ..These results indicate that congruent visual input can modify cortical activity in the left auditory cortex...
  35. ncbi Intracerebral sources of human auditory steady-state responses
    Anthony T Herdman
    School of Audiology and Speech Sciences, University of British Columbia, Vancouver, BC, Canada
    Brain Topogr 15:69-86. 2002
    ..These results suggest that the whole auditory nervous system is activated by modulated tones, with the cortex being more sensitive to slower modulation frequencies...
  36. ncbi Frequency specificity of 40-Hz auditory steady-state responses
    Bernhard Ross
    Institute of Biomagnetism and Biosignalanalysis, University Hospital, Kardinal von Galen Ring 10, 48129 Munster, Germany
    Hear Res 186:57-68. 2003
    ....
  37. ncbi Effects of brief discrimination-training on the auditory N1 wave
    Elvira Brattico
    Cognitive Brain Research Unit, Department of Psychology, PL 9, 00014 University of Helsinki, Finland
    Neuroreport 14:2489-92. 2003
    ..After training N1 s were attenuated to all tones except the trained and repeated ones, indicating a refractory frequency effect, long-term habituation, and sensitization to the repeated and trained tones...
  38. ncbi Avoiding electromagnetic artifacts when recording auditory steady-state responses
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    J Am Acad Audiol 15:541-54. 2004
    ..Alternating SAM tones evoke responses similar to conventional SAM tones, whereas beats produce significantly smaller responses...
  39. ncbi Place specificity of multiple auditory steady-state responses
    Anthony T Herdman
    School of Audiology and Speech Sciences, The University of British Columbia, Vancouver, Canada
    J Acoust Soc Am 112:1569-82. 2002
    ..Results indicate that ASSRs to moderately intense stimuli (60 dB SPL) reflect activation of reasonably narrow cochlear regions, regardless of presenting AM tones simultaneously or separately...
  40. ncbi Estimating audiometric thresholds using auditory steady-state responses
    Terence W Picton
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Canada
    J Am Acad Audiol 16:140-56. 2005
    ..After 9.8 minutes of recording, the average ASSR thresholds (and standard deviations) were 12.6 +/- 8.7 in the normal subjects, 12.4 +/- 11.9 dB in the normal elderly, and 3.6 +/- 13.5 dB SL in the hearing-impaired subjects...
  41. ncbi EEG spectral dynamics during discrimination of auditory and visual targets
    Ali Mazaheri
    Rotman Research Institute, Baycrest Centre for Geriatric Care, 3560 Bathurst Street, Toronto, Canada M6A 2E1
    Brain Res Cogn Brain Res 24:81-96. 2005
    ..The idea that the ERPs and the EEG rhythms "share generators" can explain these findings...
  42. ncbi Recording auditory steady-state responses in young infants
    M Sasha John
    Rotman Research Institute, Baycrest Centre for Geriatric Care, University of Toronto, Toronto, Canada
    Ear Hear 25:539-53. 2004
    ..Our hypothesis was that MM and AM2 tonal stimuli would evoke larger responses than either the AM or FM tones, and that this increased size would make the responses more readily detectable...
  43. ncbi Temporal integration in the human auditory cortex as represented by the development of the steady-state magnetic field
    Bernhard Ross
    Institute of Experimental Audiology, Munster University Hospital, Germany
    Hear Res 165:68-84. 2002
    ..At stimulus offset the SSR ceased within 50 ms. These results indicate that the primary auditory cortex responds immediately to stimulus changes and integrates stimulus features over a period of about 200 ms...
  44. ncbi Recording human evoked potentials that follow the pitch contour of a natural vowel
    Hilmi R Dajani
    Institute of Biomaterials and Biomedical Engineering and the Edward S Rogers Sr Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada
    IEEE Trans Biomed Eng 52:1614-8. 2005
    ..These findings suggest that the measurement of pitch-evoked responses may be a viable tool for objective speech audiometry...
  45. ncbi Keeping time: effects of focal frontal lesions
    Terence W Picton
    The Rotman Research Institute, Baycrest Centre for Geriatric Care, 3560 Bathurst Street, Toronto, Ont, Canada M6A 2E1
    Neuropsychologia 44:1195-209. 2006
    ..In contrast, the superior medial regions of the frontal lobe are necessary to maintain consistent timing performance over prolonged periods of time...
  46. ncbi Simultaneous latency estimations for distortion product otoacoustic emissions and envelope following responses
    David W Purcell
    The Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada
    J Acoust Soc Am 119:2869-80. 2006
    ..The EFR apparent latency is the sum of inward cochlear delay and neural processing delay. Neural delay was estimated as approximately 5.3 ms for both frequencies of stimulation...