Research Topics
| Paul L GribbleSummaryAffiliation: University of Western Ontario Country: Canada Publications
| Collaborators
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Detail Information
Publications
Method for assessing directional characteristics of non-uniformly sampled neural activityPaul L Gribble
CIHR Group in Sensory Motor Systems, Department of Anatomy and Cell Biology, Centre for Neuroscience Studies, Queen s University, Kingston, Ont, Canada
J Neurosci Methods 113:187-97. 2002..The method is presented in the context of a two-dimensional coordinate system but may in principle be extended to higher dimensional spaces as well...- Hand-eye coordination for rapid pointing movements. Arm movement direction and distance are specified prior to saccade onsetPaul L Gribble
Department of Physiology, The University of Western Ontario, London, Ontario N6A 5C2, Canada
Exp Brain Res 145:372-82. 2002..This suggests that, for the rapid movements studied here, arm movement direction and distance are specified prior to the onset of saccades... - Role of cocontraction in arm movement accuracyPaul L Gribble
Department of Psychology, Graduate Program in Neuroscience, The University of Western Ontario, London, Canada
J Neurophysiol 89:2396-405. 2003..We also observed a general trend for cocontraction levels to decrease over time, supporting the idea that cocontraction and associated limb stiffness are reduced over the course of practice... - The influence of visual perturbations on the neural control of limb stiffnessJeremy Wong
Department of Psychology, The University of Western Ontario, 1151 Richmond St, London, Ontario, Canada N6A 5C2
J Neurophysiol 101:246-57. 2009.... - Deliberate utilization of interaction torques brakes elbow extension in a fast throwing motionJon Hore
Department of Physiology and Pharmacology, University of Western Ontario, Medical Sciences Building, London, ON N6A 5C1, Canada
Exp Brain Res 211:63-72. 2011..It is concluded that, in fast 2-D throws, the CNS deliberately utilizes powerful interaction torques between shoulder and elbow to brake motion at the elbow... - Limb stiffness is modulated with spatial accuracy requirements during movement in the absence of destabilizing forcesJeremy Wong
Department of Psychology, The University of Western Ontario, London, ON, Canada
J Neurophysiol 101:1542-9. 2009.... - Kinematics and kinetics of multijoint reaching in nonhuman primatesKirsten M Graham
Department of Anatomy and Cell Biology, Centre for Neuroscience Studies, Queen's University, Kingston, Ontario K7L 3N6, Canada
J Neurophysiol 89:2667-77. 2003.... - Wrist muscle activation, interaction torque and mechanical properties in unskilled throws of different speedsDerek B Debicki
Department of Physiology and Pharmacology, Medical Science Bldg, University of Western Ontario, London, ON N6A 5C1, Canada
Exp Brain Res 208:115-25. 2011..We propose that in fast 3-D throws skilled subjects decelerate elbow extension before ball release to help overcome these wrist extensor torques... - Visual cues signaling object grasp reduce interference in motor learningNicholas Cothros
Department of Psychology, Graduate Program in Neuroscience, The University of Western Ontario, London, Ontario, Canada
J Neurophysiol 102:2112-20. 2009..Our findings show more broadly that specific visual cues can protect motor skills from interference... - A novel shoulder-elbow mechanism for increasing speed in a multijoint arm movementDerek B Debicki
Department of Physiology and Pharmacology, The University of Western Ontario, Medical Science Bldg, London, ON, N6A 5C1, Canada
Exp Brain Res 203:601-13. 2010..To what extent this mechanism is utilized in other fast multijoint arm movements remains to be determined... - Distinct haptic cues do not reduce interference when learning to reach in multiple force fieldsNicholas Cothros
Department of Psychology, The University of Western Ontario, London, Canada
PLoS ONE 3:e1990. 2008..g. those associated with different grasped objects) signal motor requirements and promote the learning and retention of multiple motor skills has previously been unexplored in the context of force field learning... - Overlap of internal models in motor cortex for mechanical loads during reachingPaul L Gribble
Department of Anatomy and Cell Biology, CIHR Group in Sensory-Motor Systems, Centre for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
Nature 417:938-41. 2002..These findings suggest that neural representations of different mechanical contexts in MI are organized in a highly structured manner that may provide a neural basis for how complex motor behaviour is learned from simpler motor tasks... - Shape distortion produced by isolated mismatch between vision and proprioceptionNicole Malfait
Department of Psychology, University of Western Ontario, London, Canada
J Neurophysiol 99:231-43. 2008..Results of a visuoproprioceptive matching task showed that these distortions were not limited to active movements but also affected perception of passive limb movements... - Repetitive transcranial magnetic stimulation to the primary motor cortex interferes with motor learning by observingLiana E Brown
Department of Psychology, Trent University, Peterborough, Ontario, Canada
J Cogn Neurosci 21:1013-22. 2009..Our findings represent the first direct evidence that neural representations of motor skills in M1, a cortical region whose role has been firmly established for active motor learning, also underlie motor learning by observing... - fMRI activation during observation of others' reach errorsNicole Malfait
University of Western Ontario, London, Ontario, Canada
J Cogn Neurosci 22:1493-503. 2010..Specifically, activity in left intraparietal sulcus and left dorsal premotor cortex, as well as in right cerebellar cortex, was modulated by the amplitude of observed kinematic errors... - Spatially selective enhancement of proprioceptive acuity following motor learningJeremy D Wong
Department of Psychology, The University of Western Ontario, 1151 Richmond St, London, ON Canada
J Neurophysiol 105:2512-21. 2011..Our findings support the idea that sensory changes occur in parallel with changes to motor commands during motor learning... - Mapping proprioception across a 2D horizontal workspaceElizabeth T Wilson
Department of Psychology, The University of Western Ontario, London, Ontario, Canada
PLoS ONE 5:e11851. 2010.... - Motor force field learning influences visual processing of target motionLiana E Brown
Department of Psychology, University of Western Ontario, London, Ontario, Canada N6A 5C2
J Neurosci 27:9975-83. 2007..Environmental force information, acquired by motor learning, influenced how the motion of nearby visual targets was predicted... - Generalization of motor learning based on multiple field exposures and local adaptationNicole Malfait
Dept. of Psychology, McGill University, 1205 Dr. Penfield Ave, Montreal, QC H3A 1B1, Canada
J Neurophysiol 93:3327-38. 2005..The nervous system generalizes dynamics learning by interpolating between sets of control signals, each locally adapted to different patterns of torques... - Motor learning by observingAndrew A G Mattar
Department of Psychology, University of Western Ontario, London Ontario, Canada N6A 5C2
Neuron 46:153-60. 2005..We show that this effect is not based on conscious strategies but instead depends on the implicit engagement of neural systems for movement planning and control... - Learning to control arm stiffness under static conditionsMohammad Darainy
Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
J Neurophysiol 92:3344-50. 2004..These findings are consistent with the idea that arm stiffness is controlled through the use of at least two independent co-contraction commands...