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The relation betwee...
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Zielinski, Ingar M.Behavioural Science Institute, Nijmegen, the Netherlands
(author)
The relation between mirror movements and non-use of the affected hand in children with unilateral cerebral palsy
- Article/chapterEnglish2017
Publisher, publication year, extent ...
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2016-07-16
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John Wiley & Sons,2017
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Numbers
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LIBRIS-ID:oai:DiVA.org:hj-37441
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https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-37441URI
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https://doi.org/10.1111/dmcn.13204DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Aim:In children with unilateral cerebral palsy (CP), it is widely believed that mirror movements contribute to non-use of the affected hand despite preserved capacity, a phenomenon referred to as developmental disregard. We aimed to test whether mirror movements are related to developmental disregard, and to clarify the relation between mirror movements and bimanual function.Method:A repetitive squeezing task simultaneously measuring both hands' grip-forces was developed to assess mirror movements by using maximum cross-correlation coefficient (CCCmax) as well as strength measures (MMstrength). Developmental disregard, bimanual performance, and capacity were assessed using a validated video-observation method. Twenty-one children with unilateral CP participated (Median age 10y 7mo, interquartile range [IQR] 10y 1mo–12y 9mo). Outcome measures of mirror movements were correlated to developmental disregard, bimanual performance, and capacity scores using Spearman's correlations (significance level: α<0.05).Results:Mirror movements were not related to developmental disregard. However, enhanced mirror movements in the less-affected hand were related to reduced performance (CCCmax: ρ=−0.526, p=0.007; MMstrength: ρ=−0.750, p<0.001) and capacity (CCCmax: ρ=−0.410, p=0.033; MMstrength: ρ=−0.679, p<0.001). These relations were only moderate (performance:MMstrength: ρ=−0.504, p=0.010), low (capacity: MMstrength: ρ=−0.470, p=0.016) or absent for mirror movements in the affected hand. Additionally, seven children showed stronger movements in their less-affected hands when actually being asked to move their affected hand.Interpretation:These findings show no relation between mirror movements and developmental disregard, but support an association between mirror movements and bimanual function.
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Green, DidoJönköping University,HHJ, Avdelningen för rehabilitering,HHJ. CHILD,Department of Sport and Health Science, Oxford Brookes University, Oxford, United Kingdom(Swepub:hj)gredid
(author)
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Rudisch, JulianDepartment of Sport and Health Science, Oxford Brookes University, Oxford, United Kingdom
(author)
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Jongsma, Marijtje L. A.Behavioural Science Institute, Nijmegen, the Netherlands
(author)
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Aarts, Pauline B. M.Department of Pediatric Rehabilitation, Sint Maartenskliniek, Nijmegen, the Netherlands
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Steenbergen, BertBehavioural Science Institute, Nijmegen, the Netherlands
(author)
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Behavioural Science Institute, Nijmegen, the NetherlandsHHJ, Avdelningen för rehabilitering
(creator_code:org_t)
Related titles
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In:Developmental Medicine & Child Neurology: John Wiley & Sons59:2, s. 152-1590012-16221469-8749
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