Impaired motor imagery in right hemiparetic cerebral palsy Export

@article{citeulike:1158389, abstract = {It is generally assumed that movements of a part of the body (e.g., hands) are simulated in motor imagery (MI) tasks. This is evidenced by a linear increase in reaction time as a function of the angular rotation of the stimulus. Under the assumption that MI plays a critical role for anticipatory motor planning, which is known to be impaired in individuals with right hemiparetic cerebral palsy (right HCP; left congenital brain damage), but to a lesser extent in individuals with left HCP, we hypothesized that MI is impaired in the participants with right HCP. In the present study, 8 participants with right and 11 participants with left congenital brain damage and 9 neurologically healthy controls were presented with two MI tasks to study this supposed relation between hemispheric processes and behaviour. Participants were instructed to make a laterality judgment on the basis of displayed pictures of hands (either holding a hammer or not) presented in different orientations. For both the control group and the left HCP group, a linear increase in reaction time as a function of angle of rotation was found. Interestingly, no such relationship was observed for the right HCP group, suggesting a disorder in MI for these participants. Collectively, these findings provide new insights into the cause of the anticipatory planning deficits in right HCP individuals.}, author = {Mutsaarts, Marcel and Steenbergen, Bert and Bekkering, Harold}, citeulike-article-id = {1158389}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.neuropsychologia.2006.08.020}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6T0D-4M3RPHK-1/2/25c0b60d37608a411875b3fed3ae2436}, doi = {10.1016/j.neuropsychologia.2006.08.020}, journal = {Neuropsychologia}, keywords = {jc-neuropsychologia, lesion, motor, pediatrics}, number = {4}, pages = {853--859}, posted-at = {2007-03-13 16:19:11}, priority = {2}, title = {Impaired motor imagery in right hemiparetic cerebral palsy}, url = {http://dx.doi.org/10.1016/j.neuropsychologia.2006.08.020}, volume = {45}, year = {2007} }

TY - JOUR ID - citeulike:1158389 L3 - citeulike-article-id:1158389 N2 - It is generally assumed that movements of a part of the body (e.g., hands) are simulated in motor imagery (MI) tasks. This is evidenced by a linear increase in reaction time as a function of the angular rotation of the stimulus. Under the assumption that MI plays a critical role for anticipatory motor planning, which is known to be impaired in individuals with right hemiparetic cerebral palsy (right HCP; left congenital brain damage), but to a lesser extent in individuals with left HCP, we hypothesized that MI is impaired in the participants with right HCP. In the present study, 8 participants with right and 11 participants with left congenital brain damage and 9 neurologically healthy controls were presented with two MI tasks to study this supposed relation between hemispheric processes and behaviour. Participants were instructed to make a laterality judgment on the basis of displayed pictures of hands (either holding a hammer or not) presented in different orientations. For both the control group and the left HCP group, a linear increase in reaction time as a function of angle of rotation was found. Interestingly, no such relationship was observed for the right HCP group, suggesting a disorder in MI for these participants. Collectively, these findings provide new insights into the cause of the anticipatory planning deficits in right HCP individuals. IS - 4 JF - Neuropsychologia EP - 859 TI - Impaired motor imagery in right hemiparetic cerebral palsy VL - 45 SP - 853 KW - jc-neuropsychologia KW - lesion KW - motor KW - pediatrics AU - Mutsaarts, Marcel AU - Steenbergen, Bert AU - Bekkering, Harold PY - 2007/// UR - http://dx.doi.org/10.1016/j.neuropsychologia.2006.08.020 ER -