Music attenuates excessive visual guidance of skilled reaching in advanced but not mild Parkinson's disease

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dc.contributor.authorSacrey, Lori-Ann Rosalind
dc.contributor.authorClark, Callie Anne Marie
dc.contributor.authorWhishaw, Ian Q.
dc.date.accessioned2017-10-13T21:27:45Z
dc.date.available2017-10-13T21:27:45Z
dc.date.issued2009
dc.descriptionSherpa Romeo green journal; open accessen_US
dc.description.abstractParkinson’s disease (PD) results in movement and sensory impairments that can be reduced by familiar music. At present, it is unclear whether the beneficial effects of music are limited to lessening the bradykinesia of whole body movement or whether beneficial effects also extend to skilled movements of PD subjects. This question was addressed in the present study in which control and PD subjects were given a skilled reaching task that was performed with and without accompanying preferred musical pieces. Eye movements and limb use were monitored with biomechanical measures and limb movements were additionally assessed using a previously described movement element scoring system. Preferred musical pieces did not lessen limb and hand movement impairments as assessed with either the biomechanical measures or movement element scoring. Nevertheless, the PD patients with more severe motor symptoms as assessed by Hoehn and Yahr (HY) scores displayed enhanced visual engagement of the target and this impairment was reduced during trials performed in association with accompanying preferred musical pieces. The results are discussed in relation to the idea that preferred musical pieces, although not generally beneficial in lessening skilled reaching impairments, may normalize the balance between visual and proprioceptive guidance of skilled reaching.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationSacrey, L. R., Clark, C.A. M., & Whishaw, I. Q. (2009). Music attenuates excessive visual guidance of skilled reaching in advanced but not mild Parkinson's disease. PLoS ONE 4(8), e6841. doi:10.1371/journal.pone.0006841en_US
dc.identifier.urihttps://hdl.handle.net/10133/4931
dc.language.isoen_USen_US
dc.publisherPublic Library of Scienceen_US
dc.publisher.departmentDepartment of Neuroscienceen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.subjectSkilled reachingen_US
dc.subjectImpairmenten_US
dc.subjectHand movementen_US
dc.subjectArm movementen_US
dc.subjectEye movementen_US
dc.subjectVisual occlusionen_US
dc.subjectPreferred musical piecesen_US
dc.subjectFamiliar musicen_US
dc.subject.lcshParkinson's disease
dc.subject.lcshMusic
dc.subject.lcshEye tracking
dc.subject.lcshArm--Movements
dc.subject.lcshHand--Movements
dc.titleMusic attenuates excessive visual guidance of skilled reaching in advanced but not mild Parkinson's diseaseen_US
dc.typeArticleen_US
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