个人简介

B.Sc. Kinesiology (University of Waterloo) M.Sc. Neuroscience (University of British Columbia) Ph.D. Kinesiology - Behavioural & Cognitive Neuroscience (University of Waterloo)

研究领域

Neural control of movement, visuomotor control, locomotion, falls

Research in the Sensorimotor Neuroscience Lab examines how sensory information (visual, vestibular, and somatosensory) is used to control movement. This includes aspects of motor learning and adaptation, multisensory integration, and the spatiotemporal coupling of eye and limb movements. In particular, our research focuses on understanding how the nervous system integrates and uses visual input to control and to adapt walking in healthy and visually impaired individuals. We use a combination of techniques from neurophysiology, biomechanics, and psychology to probe our research questions. Through our research we hope to (1) provide a more complete picture of the neural control of movement, and (2) discover novel strategies to improve balance and mobility, reduce falls, and increase quality of life in individuals with neurological and/or visual impairments.

近期论文

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Ruff CR, Miller AB, Delva ML, Lajoie K, Marigold DS. Modification of cutaneous reflexes during visually guided walking. J Neurophysiol 111: 379-393, 2014. Alexander MS, Flodin BW, Marigold DS. Changes in task parameters during walking prism adaptation influence the subsequent generalization pattern. J Neurophysiol 109: 2495-2504, 2013. Lajoie K, Bloomfield LW, Nelson FJ, Suh JJ, Marigold DS. The contribution of vision, proprioception, and efference copy in storing a neural representation for guiding trail leg trajectory over an obstacle. J Neurophysiol 107: 2283-2293, 2012. Alexander MS, Flodin BW, Marigold DS. Prism adaptation and generalization during visually guided locomotor tasks. J Neurophysiol 106: 860-871, 2011. Marigold DS, Andujar J-E, Lajoie K, Drew T. Motor planning of locomotor adaptations on the basis of vision: the role of the posterior parietal cortex. Prog Brain Res 188: 83-100, 2011. Marigold DS, Misiaszek JE. Whole-body responses: neural control and implications for rehabilitation and fall prevention. Neuroscientist 15: 36-46, 2009. Marigold DS. Role of peripheral visual cues in online visual guidance of locomotion. Exerc Sport Sci Rev 36: 145-151, 2008. Marigold DS, Patla AE. Visual information from the lower visual field is important for walking across multi-surface terrain. Exp Brain Res 188: 23-31, 2008. Marigold DS, Patla AE. Gaze fixation patterns for negotiating complex ground terrain. Neuroscience 144: 302-313, 2007. Marigold DS, Eng JJ. Altered timing of postural reflexes contributes to falling in persons with chronic stroke. Exp Brain Res 171: 459-468, 2006. Marigold DS, Eng JJ, Dawson AS, Inglis JT, Harris JE, Gylfadottir S. Exercise leads to faster postural reflexes, improved balance and mobility, and fewer falls in older persons with chronic stroke. J Am Geriatr Soc 53: 416-423, 2005. Marigold DS, Eng JJ, Tokuno CD, Donnelly CA. Contribution of muscle strength and integration of afferent input to postural instability in persons with stroke. Neurorehabil Neural Repair 18: 222-229, 2004. Marigold DS, Patla AE. Strategies for dynamic stability during locomotion on a slippery surface: effects of prior experience and knowledge. J Neurophysiol 88: 339-353, 2002.