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Biography

2006-Present            Post-doctoral fellow at the Centre for Vision Research, York University (supervisor: Dr. Doug Crawford) in collaboration with Drs. Jody                                         Culham and Tutis Vilis at the University of Western Ontario and Dr. Sandra Black at Sunnybrook Health Sciences Centre

2001-2006               PhD student and research assistant at the Centre for Studies in Aging, Sunnybrook Health Sciences Centre, University of Toronto (supervisor:                                 Dr.Brian Maki)

1999-2001               MSc student and research assistant at the Centre for Studies in Aging, Sunnybrook Health Sciences Centre, University of Toronto (supervisor:                                 Dr.Brian Maki)

1999                        Research assistant at the Gait and Posture Lab, University of Waterloo (supervisors: Drs. Aftab Patla and Jim Frank)

1994-1999               BSc Honours Kinesiology, Unversity of Waterloo

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Publications

Journal publications

Zettel JL, McIlroy WE, Maki BE. (In preparation) Effect of competing attentional demands on perturbation-evoked stepping and associated gaze behavior in young and older adults. <>

Zettel JL, McIlroy WE, Maki BE. (Submitted for publication) Gaze behavior and attention switching during rapid balance reactions in older adults.  Neuroscience Letters

Zettel JL, McIlroy WE, Maki BE. (Submitted for publication) Gaze behavior governing balance recovery in an unfamiliar and complex environment.  Neurobiology of Aging

Zettel JL, Holbeche A, McIlroy WE, Maki BE. (2005) Redirection of gaze and switching of attention during rapid stepping reactions evoked by unpredictable perturbation.  Experimental Brain Research 165(3): 392-401

Bateni H, Heung E, Zettel J, McIlroy WE, Maki BE. (2003) Can use of walking frames or canes impede lateral compensatory stepping movement?  Gait & Posture 20(1): 74-83

Zettel JL, McIlroy WE, Maki BE. (2002) Can stabilizing features of rapid triggered stepping reactions be modulated to meet environmental constraints? Experimental Brain Research 145(3): 297-308       

Zettel JL, McIlroy WE, Maki BE. (2002) Environmental constraints on foot trajectory reveal the capacity for modulation of anticipatory postural adjustments during rapid triggered stepping reactions. Experimental Brain Research 146(1): 38-47

Conference presentations & published abstracts  

Zettel JL, McIlroy WE, Maki BE. (2007) Effect of competing attentional demands on perturbation-evoked stepping and associated gaze behavior in young and older adults. Submitted to International Society for Posture and Gait Research XVIII Conference

Zettel JL, Vilis, T, Culham JC, Crawford JD. (2007) A comparison of saccade and pointing topography between medial and lateral areas in the human posterior parietal cortex.  Submitted to Vision Sciences Society Conference

Zettel JL, McIlroy WE, Maki BE.  (2005) Visual behavior governing rapid stepping reactions evoked in the presence of dynamic and unpredictable obstacles. International Society for Posture and Gait Research XVII Conference

Zettel JL, McIlroy WE, Maki BE.  (2005) Controlling stability in challenging environments: effects of aging on modulation of rapid stepping reactions.  International Society for Posture and Gait Research XVII Conference

Zettel JL, McIlroy WE, Maki BE.  (2005) Gaze behavior and the modulation of triggered stepping reactions to meet environmental demands in older adults.  International Society for Posture and Gait Research XVII Conference

Zettel JL, Holbeche A, McIlroy WE, Maki BE.  (2004) Gaze behavior during perturbation-evoked stepping in young and old adults.  Society for Neuroscience 34^th Annual Meeting

Zettel JL, Holbeche A, McIlroy WE, Maki BE.  (2004) Role of vision and visual attention in the control of rapid stepping reactions triggered by postural perturbation in young and older adults.  Thirteenth Biennial Conference for the Canadian Society of Biomechanics

Zettel JL, Holbeche A, Chung Y, McIlroy WE, Maki BE.  (2003) Role of vision and visual attention in the control of rapid stepping reactions triggered by postural perturbation.  International Society for Posture and Gait Research XVI. (In: Lord SR, Menz HB, eds. Posture and Gait Throughout the Lifespan, International Society for Postural and Gait Research; Sydney, Australia; 2003, pp93

Bateni, H., Heung, E., Zettel, JL, McIlroy, WE, Maki BE. (2003) Can walking aids impede compensatory stepping? Sixteenth Symposium of the International Society for Posture and Gait Research.  Sydney, Australia.  (In: Lord SR, Menz HB, eds. Posture and Gait Throughout the Lifespan, International Society for Postural and Gait Research; Sydney, Australia; 2003, pp122)

Zettel JL, McIlroy WE, Maki BE. (2001) Can stabilizing features of rapid triggered stepping reactions be modulated to meet environmental constraints? Fifteenth Symposium of the International Society for Posture and Gait Research. Maastricht, Holland. (In: Duysens J et al, eds. Control of Posture and Gait; Maastricht, Netherlands 2001,  pp. 503-506)

Zettel JL, McIlroy WE, Maki BE. (2001) Can stabilizing features of rapid triggered stepping reactions be modulated to meet environmental constraints? IIIrd International Symposium on Progress in Motor Control. Montreal, Canada.  (In: Levin M et al, eds. IIIrd International Symposium Progress in Motor Control: From Basic Science to Applications; Montreal, 2001, pp 68)

Zettel JL, Patla AE, DeLaCampa P. (1999) Alternate strategies for postural control on a slippery surface. International Society for Posture and Gait Research XIV. (In: Gait & Posture, Vol.9, suppl.1, 1999, ppS37)

Honsa K, Vennettilli M, Mott N, Silvera D, Niechwiej E, Wagar S, Howard M, Zettel J, and McGill SM (1998). The efficacy of the NIOSH hand-to-container coupling factor. 30^th Annual Conference of the Human Factors Association of Canada. (In: Proceedings of the 30^th Annual Conference of the Human Factors Association of Canada 1998, pp.253)