Catriona M Steele

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. ncbi request reprint The rheology of liquids: a comparison of clinicians' subjective impressions and objective measurement
    Catriona M Steele
    Oral Dynamics Laboratory, Graduate Department of Speech Language Pathology, University of Toronto, Toronto, Ontario, Canada
    Dysphagia 18:182-95. 2003
  2. ncbi request reprint Use of electromagnetic midsagittal articulography in the study of swallowing
    Catriona M Steele
    Graduate Department of Speech Pathology, University of Toronto, Toronto, Ontario, Canada
    J Speech Lang Hear Res 47:342-52. 2004
  3. ncbi request reprint Influence of bolus consistency on lingual behaviors in sequential swallowing
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, Ontario, Canada
    Dysphagia 19:192-206. 2004
  4. ncbi request reprint Tongue control for speech and swallowing in healthy younger and older subjects
    Janice W Bennett
    St Joseph s Health Centre, Toronto, Ontario, Canada
    Int J Orofacial Myology 33:5-18. 2007
  5. ncbi request reprint Pressure profile similarities between tongue resistance training tasks and liquid swallows
    Catriona M Steele
    Toronto Rehabilitation Institute, 550 University Avenue, 12030, Toronto, ON, M5G 2A2, Canada
    J Rehabil Res Dev 47:651-60. 2010
  6. doi request reprint The influence of stimulus taste and chemesthesis on tongue movement timing in swallowing
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, Ontario, Canada
    J Speech Lang Hear Res 55:262-75. 2012
  7. doi request reprint Swallow segmentation with artificial neural networks and multi-sensor fusion
    Joon Lee
    Bloorview Research Institute, Toronto, Canada
    Med Eng Phys 31:1049-55. 2009
  8. ncbi request reprint Baseline characteristics of dual-axis cervical accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, University of Toronto, Toronto, ON, Canada
    Ann Biomed Eng 38:1048-59. 2010
  9. pmc Extraction of average neck flexion angle during swallowing in neutral and chin-tuck positions
    Delbert Hung
    Bloorview Research Institute, Bloorview Kids Rehab, Toronto, Ontario, Canada
    Biomed Eng Online 8:25. 2009
  10. ncbi request reprint The dynamics of lingual-mandibular coordination during liquid swallowing
    Catriona M Steele
    Toronto Rehabilitation Institute, 550 University Avenue, 12030, Toronto, Ontario, M5G 2A2, Canada
    Dysphagia 23:33-46. 2008

Collaborators

Detail Information

Publications43

  1. ncbi request reprint The rheology of liquids: a comparison of clinicians' subjective impressions and objective measurement
    Catriona M Steele
    Oral Dynamics Laboratory, Graduate Department of Speech Language Pathology, University of Toronto, Toronto, Ontario, Canada
    Dysphagia 18:182-95. 2003
    ..Physical sampling of these two products enabled clinicians to reliably perceive relative viscosity and density differences between the nectar- and honey-thick items...
  2. ncbi request reprint Use of electromagnetic midsagittal articulography in the study of swallowing
    Catriona M Steele
    Graduate Department of Speech Pathology, University of Toronto, Toronto, Ontario, Canada
    J Speech Lang Hear Res 47:342-52. 2004
    ....
  3. ncbi request reprint Influence of bolus consistency on lingual behaviors in sequential swallowing
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, Ontario, Canada
    Dysphagia 19:192-206. 2004
    ..Otherwise, the present analysis failed to find empirical evidence of significant modulations in tongue behaviors across the thin to honey-thick consistency range...
  4. ncbi request reprint Tongue control for speech and swallowing in healthy younger and older subjects
    Janice W Bennett
    St Joseph s Health Centre, Toronto, Ontario, Canada
    Int J Orofacial Myology 33:5-18. 2007
    ..As well, the findings show that aging does influence the nature of tongue motions, in particular by inducing a more extreme distinction in the variability of movements for speech (less variable) and swallowing (more variable) tasks...
  5. ncbi request reprint Pressure profile similarities between tongue resistance training tasks and liquid swallows
    Catriona M Steele
    Toronto Rehabilitation Institute, 550 University Avenue, 12030, Toronto, ON, M5G 2A2, Canada
    J Rehabil Res Dev 47:651-60. 2010
    ..We propose that future research should explore the degree to which swallowing improvements are obtained from treatment protocols that emphasize these tasks...
  6. doi request reprint The influence of stimulus taste and chemesthesis on tongue movement timing in swallowing
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, Ontario, Canada
    J Speech Lang Hear Res 55:262-75. 2012
    ..To explore the influence of taste and trigeminal irritation (chemesthesis) on durational aspects of tongue movement in liquid swallowing, controlling for the influence of perceived taste intensity...
  7. doi request reprint Swallow segmentation with artificial neural networks and multi-sensor fusion
    Joon Lee
    Bloorview Research Institute, Toronto, Canada
    Med Eng Phys 31:1049-55. 2009
    ..These findings suggest that an ANN, multi-sensor fusion approach to segmentation is worthy of further investigation in swallowing studies...
  8. ncbi request reprint Baseline characteristics of dual-axis cervical accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, University of Toronto, Toronto, ON, Canada
    Ann Biomed Eng 38:1048-59. 2010
    ..However, participant age did affect the baseline spectral characteristics. These findings are important to the further development of diagnostic devices based on dual-axis swallowing vibration signals...
  9. pmc Extraction of average neck flexion angle during swallowing in neutral and chin-tuck positions
    Delbert Hung
    Bloorview Research Institute, Bloorview Kids Rehab, Toronto, Ontario, Canada
    Biomed Eng Online 8:25. 2009
    ..Natural variations in chin tuck angles across individuals may contribute to the differential effectiveness of the technique...
  10. ncbi request reprint The dynamics of lingual-mandibular coordination during liquid swallowing
    Catriona M Steele
    Toronto Rehabilitation Institute, 550 University Avenue, 12030, Toronto, Ontario, M5G 2A2, Canada
    Dysphagia 23:33-46. 2008
    ..This evidence supports the idea that different segments of the tongue couple with the jaw as a synergy for swallowing, but can modify their coupling relationship to accommodate task demands...
  11. doi request reprint Tongue control for swallowing in Parkinson's disease: effects of age, rate, and stimulus consistency
    Pascal H H M van Lieshout
    Department of Speech Language Pathology, University of Toronto, and Toronto Western Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
    Mov Disord 26:1725-9. 2011
    ..Efficient swallows require well-coordinated tongue movements during bolus flow, but little is known about such movements in Parkinson's disease...
  12. doi request reprint A procedure for denoising dual-axis swallowing accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, Bloorview Kids Rehab and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
    Physiol Meas 31:N1-9. 2010
    ..These results are important for the further development of medical devices based on dual-axis swallowing accelerometry signals...
  13. doi request reprint Voice-quality abnormalities as a sign of dysphagia: validation against acoustic and videofluoroscopic data
    Ashley Waito
    Toronto Rehabilitation Institute, Toronto, ON, M5G 2A2, Canada
    Dysphagia 26:125-34. 2011
    ..However, observations of abnormal postswallow voice quality can be misleading and are not a valid indication that penetration-aspiration or dysphagia exists...
  14. doi request reprint Tongue pressure and submental surface electromyography measures during noneffortful and effortful saliva swallows in healthy women
    Erin M Yeates
    Toronto Rehabilitation Institute, Ontario, Canada
    Am J Speech Lang Pathol 19:274-81. 2010
    ..In this study, differences were explored between younger and older healthy women in execution of the effortful swallowing maneuver through a comparative analysis of effortful and noneffortful swallows...
  15. doi request reprint Exercise-based approaches to dysphagia rehabilitation
    Catriona M Steele
    Toronto Rehabilitation Institute, University of Toronto, and Bloorview Research Institute, Toronto, ON, Canada
    Nestle Nutr Inst Workshop Ser 72:109-17. 2012
    ..The available evidence suggests that exercise-based approaches to swallowing rehabilitation do succeed in changing muscle strength and function, but generalization to true swallowing tasks may be somewhat limited...
  16. pmc Automatic discrimination between safe and unsafe swallowing using a reputation-based classifier
    Mohammad S Nikjoo
    Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada
    Biomed Eng Online 10:100. 2011
    ..Furthermore, the only published attempt at automatic classification in adult patients has been based on a small sample of swallowing vibrations...
  17. doi request reprint Tongue pressure modulation during swallowing: water versus nectar-thick liquids
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, ON M5G 2A2, Canada
    J Speech Lang Hear Res 53:273-83. 2010
    ..In the current investigation, the authors sought to confirm whether tongue-palate pressures are modulated between discrete swallows of water and nectar-thick juice...
  18. pmc Physiological variability in the deglutition literature: hyoid and laryngeal kinematics
    Sonja M Molfenter
    Toronto Rehabilitation Institute, 550 University Avenue, Rm 12019, Toronto, ON M5G 2A2, Canada
    Dysphagia 26:67-74. 2011
    ..Potential sources of variation were identified, including statistical, methodological, stimulus-related, and participant-related sources...
  19. doi request reprint Vocalization removal for improved automatic segmentation of dual-axis swallowing accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, Bloorview Kids Rehab and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
    Med Eng Phys 32:668-72. 2010
    ..These results encourage further development of medical devices for the detection of swallowing difficulties...
  20. doi request reprint Anthropometric and demographic correlates of dual-axis swallowing accelerometry signal characteristics: a canonical correlation analysis
    Fady Hanna
    Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
    Dysphagia 25:94-103. 2010
    ..Given the limited sample size, our results should be interpreted with caution and replication studies with larger sample sizes are warranted...
  21. doi request reprint Tongue movements during water swallowing in healthy young and older adults
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, Ontario, Canada
    J Speech Lang Hear Res 52:1255-67. 2009
    ..In addition, changes were quantified in healthy tongue movements in response to specific differences in the nature of the swallowing task (discrete vs. sequential swallows)...
  22. doi request reprint Segmentation of dual-axis swallowing accelerometry signals in healthy subjects with analysis of anthropometric effects on duration of swallowing activities
    Ervin Sejdic
    Bloorview Research Institute and Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M4G 1R8, Canada
    IEEE Trans Biomed Eng 56:1090-7. 2009
    ..05). Older participants and participants with higher BMIs exhibited swallows with significantly longer (p=0.05) duration than younger participants and those with lower BMIs, respectively...
  23. pmc Temporal variability in the deglutition literature
    Sonja M Molfenter
    Swallowing Rehabilitation Research Laboratory, Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto, ON, Canada
    Dysphagia 27:162-77. 2012
    ..Trends emerged for factors of bolus size and participant age for some variables. Other potential sources of variability are discussed...
  24. pmc Effects of liquid stimuli on dual-axis swallowing accelerometry signals in a healthy population
    Joon Lee
    Bloorview Research Institute, 150 Kilgour Road, Toronto, Ontario, Canada
    Biomed Eng Online 9:7. 2010
    ..A variety of features were extracted in the time and time-frequency domains after swallow segmentation and pre-processing. A separate Friedman test was conducted for each feature and for each swallowing task...
  25. ncbi request reprint Does barium influence tongue behaviors during swallowing?
    Catriona M Steele
    University of Toronto and Toronto Rehabilitation Institute, Toronto, Ontario, Canada
    Am J Speech Lang Pathol 14:27-39. 2005
    ..Transit times were significantly longer for older participants than younger participants. We recommend matching radiopaque bolus size in videofluoroscopy to the patient's habitually preferred sip mass for comparator nonopaque liquids...
  26. doi request reprint Classification of healthy and abnormal swallows based on accelerometry and nasal airflow signals
    Joon Lee
    Bloorview Research Institute, 150 Kilgour Road, Toronto, Ontario, Canada
    Artif Intell Med 52:17-25. 2011
    ..An ideal alternative would be an automated abnormal swallow detection methodology based on non-invasive signals...
  27. pmc Outcomes of tongue-pressure strength and accuracy training for dysphagia following acquired brain injury
    Catriona M Steele
    Toronto Rehabilitation Institute University Health Network, Toronto, Ontario, Canada
    Int J Speech Lang Pathol 15:492-502. 2013
    ..Improvements were seen in post-treatment measures of tongue pressure and penetration-aspiration. No improvements were seen in pharyngeal residues, indeed worsening residue was seen in some patients. ..
  28. doi request reprint Understanding the statistical persistence of dual-axis swallowing accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, Bloorview Kids Rehab and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
    Comput Biol Med 40:839-44. 2010
    ..Future developments in the field should attempt to remove signal components associated with strong statistical persistence, as they tend to be associated with non-swallowing phenomena...
  29. pmc Improvements in tongue strength and pressure-generation precision following a tongue-pressure training protocol in older individuals with dysphagia: three case reports
    Erin M Yeates
    Toronto Rehabilitation Institute, 550 University Avenue, 11th Floor, Toronto, ON, M5G 2A2, Canada
    Clin Interv Aging 3:735-47. 2008
    ..The experimental treatment protocol holds promise as a rehabilitative tool for various dysphagia populations...
  30. doi request reprint Effects of age and stimulus on submental mechanomyography signals during swallowing
    Joon Lee
    Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada
    Dysphagia 24:265-73. 2009
    ..MMG may serve as an alternative measure of muscle activity during swallowing and further investigation is warranted...
  31. doi request reprint Scaling analysis of baseline dual-axis cervical accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital and the Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
    Comput Methods Programs Biomed 103:113-20. 2011
    ..No gender or age effects were found on statistical persistence of either vibration axes. Future developments of cervical accelerometry-based medical devices should actively mitigate the effects of head movement...
  32. doi request reprint Sip-sizing behaviors in natural drinking conditions compared to instructed experimental conditions
    Janice W Bennett
    Swallowing Rehabilitation Research Laboratory, Toronto Rehabilitation Institute, 550 University Avenue, Room 12030, Toronto, ON, Canada
    Dysphagia 24:152-8. 2009
    ..6-6.8 ml). This difference far exceeded the magnitude of sip-size variation observed between instructed drinking tasks using different stimuli and as a function of participant's gender or age group...
  33. pmc Sensory input pathways and mechanisms in swallowing: a review
    Catriona M Steele
    Toronto Rehabilitation Institute, 550 University Avenue, 12030, Toronto, ON, M5G 2A2, Canada
    Dysphagia 25:323-33. 2010
    ..By synthesizing the current state of research evidence and knowledge, we identify continuing gaps in our knowledge of these mechanisms and pose questions for future research...
  34. ncbi request reprint The influence of orolingual pressure on the timing of pharyngeal pressure events
    Catriona M Steele
    Toronto Rehabilitation Institute, Toronto, Canada
    Dysphagia 22:30-6. 2007
    ....
  35. pmc Noninvasive detection of thin-liquid aspiration using dual-axis swallowing accelerometry
    Catriona M Steele
    Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, 12 101, Toronto, ON, M5G 2A2, Canada
    Dysphagia 28:105-12. 2013
    ..We conclude that accelerometry can be used to support valid, reliable, and efficient detection of aspiration risk in patients with suspected dysphagia...
  36. doi request reprint The physiology of deglutition and the pathophysiology and complications of oropharyngeal dysphagia
    Catriona M Steele
    Toronto Rehabilitation Institute, University of Toronto, and Bloorview Research Institute, Toronto, ON, Canada
    Nestle Nutr Inst Workshop Ser 72:13-7. 2012
    ..The idea of launching political initiatives aimed at increasing awareness and the utilization of appropriate dysphagia healthcare codes was also discussed...
  37. ncbi request reprint Speech motor control in fluent and dysfluent speech production of an individual with apraxia of speech and Broca's aphasia
    Pascal H H M van Lieshout
    Department of Speech Language Pathology, Oral Dynamics Laboratory, University of Toronto, Toronto, Ontario, Canada
    Clin Linguist Phon 21:159-88. 2007
    ....
  38. ncbi request reprint Electric stimulation approaches to the restoration and rehabilitation of swallowing: a review
    Catriona M Steele
    Toronto Rehabilitation Institute, University of Toronto, Toronto, Ontario, Canada
    Neurol Res 29:9-15. 2007
    ....
  39. pmc The effects of head movement on dual-axis cervical accelerometry signals
    Ervin Sejdic
    Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Ontario, Canada
    BMC Res Notes 3:269. 2010
    ..In this paper, we examine the spectral characteristics of dual-axis cervical accelerometry signals in the absence of swallowing but in the presence of head motions...
  40. doi request reprint Timing differences between cued and noncued swallows in healthy young adults
    Ahmed Nagy
    Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, 12th Floor, Toronto, ON, M5G 2A2, Canada
    Dysphagia 28:428-34. 2013
    ..This pattern should not be mistaken for impairment in swallow onset timing during swallowing assessment. ..
  41. ncbi request reprint An analysis of lingual contribution to submental surface electromyographic measures and pharyngeal pressure during effortful swallow
    Maggie Lee Huckabee
    Department of Communication Disorders, University of Canterbury, Christchurch, New Zealand
    Arch Phys Med Rehabil 87:1067-72. 2006
    ..To evaluate the influence of tongue-to-palate pressures on submental muscle contraction and oral and pharyngeal pressure dynamics during effortful swallowing maneuver...
  42. ncbi request reprint Searching for meaningful differences in viscosity
    Catriona M Steele
    Dysphagia 20:336-8. 2005
  43. ncbi request reprint A question of rheological control
    Catriona M Steele
    Dysphagia 23:199-201. 2008