Search Results - "Pearson, K G"

Force Regulation of Ankle Extensor Muscle Activity in Freely Walking Cats by Donelan, J. M, McVea, D. A, Pearson, K. G

“…1 Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia; 2 Brain Research Centre, University of British…”
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Contribution of Force Feedback to Ankle Extensor Activity in Decerebrate Walking Cats by Donelan, J. M, Pearson, K. G

“…Department of Physiology, University of Alberta, Edmonton T6G 2H7, Canada Submitted 30 March 2004; accepted in final form 5 May 2004 Previous investigations…”
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Neural adaptation in the generation of rhythmic behavior by Pearson, K G

“…Motor systems can adapt rapidly to changes in external conditions and to switching of internal goals. They can also adapt slowly in response to training,…”
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A Role for Hip Position in Initiating the Swing-to-Stance Transition in Walking Cats by McVea, D. A, Donelan, J. M, Tachibana, A, Pearson, K. G

“…Department of Physiology, University of Alberta, Edmonton, Canada Submitted 16 May 2005; accepted in final form 28 July 2005 In this investigation, we obtained…”
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Long-Lasting Memories of Obstacles Guide Leg Movements in the Walking Cat by McVea, D. A, Pearson, K. G

“…We examined the ways in which memories of previously seen obstacles can alter the stepping of walking cats. Cats were paused after the forelegs, but not the…”
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Common principles of motor control in vertebrates and invertebrates by PEARSON, K. G

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Could enhanced reflex function contribute to improving locomotion after spinal cord repair? by Pearson, K. G.

“…Although numerous treatments have been found to improve locomotion in spinal cord injured mammals, the underlying mechanisms are very poorly understood. Some…”
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A new electrode configuration for recording electromyographic activity in behaving mice by Pearson, K.G., Acharya, H., Fouad, K.

“…With the increasing use of normal and genetically modified mice in the field of motor physiology, there is a need for a simple and reliable technique for…”
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Long-Lasting, Context-Dependent Modification of Stepping in the Cat After Repeated Stumbling-Corrective Responses by McVea, D. A, Pearson, K. G

“…Centre for Neuroscience and Department of Physiology, University of Alberta, Alberta, Edmonton, Canada Submitted 30 August 2006; accepted in final form 7…”
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Coordination of fore and hind leg stepping in cats on a transversely-split treadmill by AKAY, T, MCVEA, D. A, TACHIBANA, A, PEARSON, K. G

“…To gain insight into the mechanism of coordination of stepping in the fore and hind legs of quadrupeds, we examined the kinematics of leg movements and the…”
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Contribution of hind limb flexor muscle afferents to the timing of phase transitions in the cat step cycle by Hiebert, G W, Whelan, P J, Prochazka, A, Pearson, K G

“…1. In this investigation, we tested the hypothesis that muscle spindle afferents signaling the length of hind-leg flexor muscles are involved in terminating…”
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Reversal of the influence of group Ib afferents from plantaris on activity in medial gastrocnemius muscle during locomotor activity by Pearson, K G, Collins, D F

“…1. Rhythmic locomotor activity was evoked in clonidine-treated acute and chronic spinal cats, and the effect of stimulating group I afferents from the…”
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Chemical ablation of sensory afferents in the walking system of the cat abolishes the capacity for functional recovery after peripheral nerve lesions by PEARSON, K. G, MISIASZEK, J. E, HULLIGER, M

“…Weakening the ankle extensor muscles of cats by denervation of the synergists of the medial gastrocnemius (MG) muscle results in transient increase in yield at…”
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Adaptive Changes in Locomotor Activity Following Botulinum Toxin Injection in Ankle Extensor Muscles of Cats by Misiaszek, J. E, Pearson, K. G

“…Department of Physiology and Division of Neuroscience, University of Alberta, Edmonton, Alberta T6G 2H7, Canada Misiaszek, J. E. and K. G. Pearson. Adaptive…”
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Adaptive Changes in Motor Activity Associated With Functional Recovery Following Muscle Denervation in Walking Cats by Pearson, K. G, Fouad, K, Misiaszek, J. E

“…Department of Physiology, University of Alberta, Edmonton, Alberta T6G 2H7, Canada Pearson, K. G., K. Fouad, and J. E. Misiaszek. Adaptive Changes in Motor…”
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Fictive motor patterns in chronic spinal cats by Pearson, K G, Rossignol, S

“…1. Fictive motor patterns were recorded in hind leg nerves of 10 adult chronic spinal cats (spinalized at T13). Four of these animals had been trained to step…”
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Enhancement and resetting of locomotor activity by muscle afferents by Pearson, K G, Misiaszek, J E, Fouad, K

“…The generation of the normal motor pattern for walking in mammals requires feedback from muscle proprioceptors. Two characteristics of the motor pattern…”
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Disynaptic group I excitation of synergist ankle extensor motoneurones during fictive locomotion in the cat by McCrea, D A, Shefchyk, S J, Stephens, M J, Pearson, K G

“…1. Intracellular recording from medial gastrocnemius (MG) motoneurones was used to examine postsynaptic potentials produced by electrical stimulation of the…”
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Plasticity in Reflex Pathways Controlling Stepping in the Cat by Whelan, P. J, Pearson, K. G

“…P. J. Whelan and K. G. Pearson Department of Physiology, University of Alberta, Edmonton T6G 2H7, Canada Whelan, P. J. and K. G. Pearson. Plasticity in reflex…”
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Stimulation of the group I extensor afferents prolongs the stance phase in walking cats by WHELAN, P. J, HIEBERT, G. W, PEARSON, K. G

“…Group I afferents in nerves innervating the lateral gastrocnemius-soleus (LG-Sol), plantaris (Pl), and vastus lateralis/intermedius (VL/VI) muscles were…”
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