Arthur Prochazka's Lab
 

Selected publications available on this website:

2012

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Prochazka A, and Ellaway PH. Sensory systems in the control of movement. In: Comprehensive Physiology, Supplement 29: Handbook of Physiology, Exercise: Regulation and Integration of Multiple Systems, edited by Baldwin K, Edgerton VR, and Wagner P. New York: Wiley, in conjunction with the American Physiological Society, 2012, p. 2615-2627.



2011

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Gan LS, Ravid E, Kowalczewski JA, Olson JL, Morhart M, and Prochazka A. First Permanent Implant of Nerve Stimulation Leads Activated by Surface Electrodes, Enabling Hand Grasp and Release: The Stimulus Router Neuroprosthesis. Neurorehabil Neural Repair 2011 epub 2011/10/01, DOI 1545968311420443.


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Kowalczewski J, Chong SL, Galea M, and Prochazka A. In-home tele-rehabilitation improves tetraplegic hand function. Neurorehabil Neural Repair 25: 412-422, 2011.


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Ravid E, Gan LS, Todd K, and Prochazka A. Nerve lesioning with direct current. J Neural Eng 8: 016005, 2011.



2010

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Simpson T, Gauthier M, and Prochazka A. Evaluation of Tooth-Click Triggering and Speech Recognition in Assistive Technology for Computer Access. Neurorehabilitation and Neural Repair 24: 188-194., 2010


2009

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Prochazka, A & Sorensen, C. Biomechanical imperatives in the neural control of locomotion Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology, Volume 153, Issue 2, Supplement 1, June 2009, Pages S135-S136


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Prochazka A. (2009) Neuroprosthetics. In: Spinal Cord Injury Rehabilitation, edited by Edelle C. Field-Fote Philadephia, PA. : FA Davis Company, pp. 87-99.


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Stein RB, and Prochazka A. Impaired motor function: functional electrical stimulation. In: Textbook of Stereotactic and Functional Neurosurgery, edited by Lozano AM, Gildenberg, P.L., Tasker, R.R. Berlin: Springer, 2009, p. 3047-3060.


2008

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Gaunt RA, and Prochazka A. Transcutaneously coupled, high-frequency electrical stimulation of the pudendal nerve blocks external urethral sphincter contractions. Neurorehabil Neural Repair 23: 615-626, 2009.


2007

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GAN, L. S., BORNES, T., DENINGTON, A., PROCHAZKA, A. & CHAN, K. M. (2007). A new means of transcutaneous coupling for neural prostheses. IEEE Trans Biomed Eng, In Press.


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Yakovenko S, Kowalczewski J, and Prochazka A. Intraspinal stimulation caudal to spinal cord transections in rats. Testing the propriospinal hypothesis. J Neurophysiol, 2007 e-pub January


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Prochazka, A. & Yakovenko, S. (2007) Predictive and reactive tuning of the locomotor CPG. Integr. Comp. Biol.


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Prochazka, A. & Yakovenko, S. (2007) The neuromechanical tuning hypothesis. In: Prog Brain Res Computational Neuroscience: Theoretical Insights into Brain Function, edited by Cisek P, Drew, T. & Kalaska, J. NY: Elsevier, 2007, p. 255-265.


2006

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GAUNT, R. A. & PROCHAZKA, A. (2006). Control of urinary bladder function with devices: successes and failures. Prog Brain Res 152, 163-194.


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Weber DJ, Stein RB, Everaert DG, and Prochazka A. (2006) Decoding sensory feedback from firing rates of afferent ensembles recorded in cat dorsal root ganglia in normal locomotion. IEEE Trans Neural Syst Rehabil Eng 14: 240-243


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GAUNT, R. A., PROCHAZKA, A., MUSHAHWAR, V. K., GUEVREMONT, L. & ELLAWAY, P. H. (2006). Intraspinal Microstimulation Excites Multisegmental Sensory Afferents at Lower Stimulus Levels Than Local {alpha}-Motoneuron Responses. J Neurophysiol 96, 2995-3005.


2005

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Yakovenko S, McCrea DA, Stecina K, and Prochazka A. (2005) Control of locomotor cycle durations. J Neurophysiol 94: 1057-1065


2002

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YAKOVENKO, S., MUSHAHWAR, V.K., VANDERHORST, V., HOLSTEGE, G. & PROCHAZKA, A. (2002) Spatiotemporal activation of lumbosacral motoneurons in the cat locomotor step cycle. J. Neurophysiol, 87: 1542-1554


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PROCHAZKA, A., GRITSENKO, V. & YAKOVENKO, S. (2002) Sensory control of locomotion: reflexes versus higher-level control. In: Sensori-Motor Control, ed., S.G. Gandevia. U. Proske & D.G. Stuart, Kluwer Academic/Plenum, New York.


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PROCHAZKA, A. (2002) The man-machine analogy in robotics and neurophysiology. Journal of Automatic Control, University of Belgrade, 12, 4-8. Special Issue, ed. Popovic, D.


2001

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PROCHAZKA, A., MUSHAHWAR, V.K. & MCCREERY, D.B. (2001) Neural prostheses. Journal of Physiology, 533, 99-109


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PROCHAZKA, A. & YAKOVENKO, S. (2001) Locomotor control: from spring-like reactions of muscles to neural prediction. In: The Somatosensory System: Deciphering The Brain's Own Body Image. ed. Nelson, R.J. Boca Raton, CRC Press, 141-181


2000

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PROCHAZKA, A., CLARAC, F., LOEB. G., ROTHWELL, J. & WOLPAW, J. (2000) What do “voluntary” and “reflex” mean? Modern views on an ancient debate. Experimental Brain Research 130: 417 432


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MUSHAHWAR, V. K., COLLINS, D. F. & PROCHAZKA, A. (2000). Spinal cord microstimulation generates functional limb movements in chronically implanted cats. Experimental Neurology 163, 422-429


1999

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POPOVIC, D. et al. (1999) Clinical evaluation of the bionic glove. Archives of Physical Medicine & Rehabilitation. 80, 299-304


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PROCHAZKA, A.(1999) Quantifying Proprioception. In: Peripheral and Spinal Mechanisms in the Neural Control of Movement. Eds. M. Binder & J. McDonnaugh. Progr. Brain Res.123: 133 142


2004

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YAKOVENKO, S., GRITSENKO, V. & PROCHAZKA, A. (2004) Contribution of stretch reflexes to locomotor control: a modeling study, Biological Cybernetics


1998

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PROCHAZKA, A. & GORASSINI, M. (1998) Ensemble firing of muscle afferents recorded during normal locomotion in cats. J. Physiol. 507: 277-291.


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Collins DF, Cameron T, Gillard DM, and Prochazka A. Muscular sense is attenuated when humans move. Journal of Physiology 508: 635-643, 1998


2003

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GRITSENKO, V. & PROCHAZKA, A. (2003) Rehabilitation of hemiplegic hand function during semi-acute stage of recovery using automated FES-assisted exercise therapy. Society for Neuroscience Abstracts, 33: 71.11


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YAKOVENKO, S.M., KOWALCZEWSKI, J., & PROCHAZKA , A. (2003) Can regenerating neurons improve the BBB score if they do not reach the CPG? Society for Neuroscience Abstracts, 33: 275.7


1997

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Prochazka A, Gillard D, and Bennett DJ. Positive force feedback control of muscles. Journal of Neurophysiology 77: 3226-3236, 1997.


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Prochazka A, Gillard D, and Bennett DJ. Implications of positive feedback in the control of movement. Journal of Neurophysiology 77: 3237-3251, 1997a.


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A. PROCHAZKA, M. GAUTHIER, M. WIELER AND Z. KENWELL (1997) The Bionic Glove: an electrical stimulator garment that provides controlled grasp and hand opening in quadriplegia. Arch. Phys. Med. Rehabil. 78, 608- 614


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PROCHAZKA, A., BENNETT, D.J., STEPHENS, M.J., SEARS-DURU, R., ROBERTS, T. JHAMANDAS, J.H. (1997) Measurement of rigidity in Parkinson's disease, Movement Disorders, 12: 24-32,


1996

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PROCHAZKA, A. (1996) The fuzzy logic of visuomotor control. Can. J. Physiol. Pharmacol., 74: 456-462.


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PROCHAZKA, A. (1996) Proprioceptive feedback and movement regulation. In: Handbook of Physiology. Section 12. Exercise: Regulation and Integration of Multiple Systems. edited by: L. Rowell and J.T. Sheperd; New York: American Physiological Society, 1996, pp. 89-127.


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COLLINS, D. F. & PROCHAZKA, A. (1996). Movement illusions evoked by ensemble cutaneous input from the dorsum of the human hand. Journal of Physiology 496, 857-871


1994

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Hiebert GW, Gorassini MA, Jiang W, Prochazka A, and Pearson KG. Corrective responses to loss of ground support during walking. II. Comparison of intact and chronic spinal cats. Journal of Neurophysiology 71: 611-622, 1994


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Gorassini MA, Prochazka A, Hiebert GW, and Gauthier MJ. Corrective responses to loss of ground support during walking. I. Intact cats. Journal of Neurophysiology 71: 603-610, 1994.


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Hiebert GW, Whelan PJ, Prochazka A, and Pearson KG. Contribution of hind limb flexor muscle afferents to the timing of phase transitions in the cat step cycle. Journal of Neurophysiology 75: 1126-1137, 1996.


1990

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LLEWELLYN, M., YANG, J. & PROCHAZKA, A. (1990) Human H-reflexes are smaller in difficult beam walking than in normal treadmill walking. Exp. Brain Res.. 83, 22-28


1989

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PROCHAZKA, A., HULLIGER, M., TREND, P.St.J., LLEWELLYN, M. & DÜRMÜLLER, N. (1989) Muscle afferent contribution to control of paw shakes in normal cats. J. Neurophysiol., 61, 550-562


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Sensorimotor gain control: a basic strategy of motor systems? Progress in Neurobiology. 33, 281-307, 1989


1984

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Appenteng K and Prochazka A. Tendon organ firing during active muscle lengthening in awake, normally behaving cats. Journal of Physiology 353: 81-92, 1984.


1980

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Prochazka A and Wand P. Tendon organ discharge during voluntary movements in cats. Journal of Physiology 303: 385-390, 1980.


1979

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Prochazka A, Stephens JA, and Wand P. Muscle spindle discharge in normal and obstructed movements. Journal of Physiology 287: 57-66, 1979.

1977

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Prochazka A, Westerman RA, and Ziccone SP. Ia afferent activity during a variety of voluntary movements in the cat. Journal of Physiology 268: 423-448, 1977.


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Prochazka A, Schofield P, Westerman RA, and Ziccone SP. Reflexes in cat ankle muscles after landing from falls. Journal of Physiology 272: 705-719, 1977. Journal of Physiology 353: 81-92, 1984.


1976

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Prochazka A, Westerman RA, and Ziccone SP. Discharges of single hindlimb afferents in the freely moving cat. Journal of Neurophysiology 39: 1090-1104, 1976.



Movies

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ReJoyce tele-rehabilitation, University of Melbourne

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SPINAL MOTONEURON ACTIVITY DURING GAIT: THE MOVIE

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ROBOCATS : No If-Then rules

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ROBOCATS : With If-Then rules

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Mr. Larry Seymour doing lifting test, Bionic Glove OFF (avi, 1.6M)

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Mr. Larry Seymour doing lifting test, Bionic Glove ON (avi 1.7M)

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Locomotor CPG phase control (exe file)