Spatially-defined motor deficits in people with unilateral complex regional pain syndrome

Spatially-defined disruption of autonomic and sensory function has been identified in Complex Regional Pain Syndrome (CRPS). This study aimed to determine whether motor performance is also disrupted in a spatially-defined manner in people with CRPS. Thirteen people with CRPS type 1 of the upper limb...

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Bibliographic Details
Published in:Cortex 2018-07, Vol.104, p.154-162
Main Authors: Reid, Emily J., Braithwaite, Felicity A., Wallwork, Sarah B., Harvie, Daniel, Chalmers, K. Jane, Spence, Charles, Gallace, Alberto, Moseley, G. Lorimer
Format: Article
Language:English
Subjects:
Attention
Motor control
Neglect
Pain
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Summary:Spatially-defined disruption of autonomic and sensory function has been identified in Complex Regional Pain Syndrome (CRPS). This study aimed to determine whether motor performance is also disrupted in a spatially-defined manner in people with CRPS. Thirteen people with CRPS type 1 of the upper limb participated in two motor experiments. In Experiment 1 participants performed a circle drawing task that primarily tested motor accuracy. In Experiment 2 participants performed a button pressing task that tested motor co-ordination. In both experiments the motor tasks were performed with either hand (affected or healthy), and on either side of the body midline – that is, on the affected side of space or healthy side of space. There was a main effect of both Limb and Side for the motor tasks. In Experiment 1, motor accuracy for the circle drawing task was poorer when participants used their affected hand than when they used their healthy one (p 
ISSN:0010-9452
1973-8102
DOI:10.1016/j.cortex.2017.06.024