Effect of catechol-O-methyltransferase-val158met-polymorphism on the automatization of motor skills – A post hoc view on an experimental data

•We analyzed the COMT-genotype of 22 participants who practiced a motor task.•Participants were tested with a dual-task paradigm in a pre-post design.•The number of met-alleles was positively correlated with dual-task cost reduction.•The reduction in dual-task costs is referred to motor automatizati...

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