Individual Differences in Motor Timing and Its Relation to Cognitive and Fine Motor Skills |
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| Authors: | H?vard Lor?s Ann-Katrin Stensdotter Fredrik ?hberg Hermundur Sigmundsson |
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| Affiliation: | 1. Faculty of Health Education and Social Work, Division Physiotherapy, Sør-Trøndelag University College, Trondheim, Norway.; 2. Research Group for Learning and Skill Development, Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway.; 3. Department of Biomedical Engineering and Informatics, Radiation Science, Umeå University, Umeå, Sweden.; Duke University, United States of America, |
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| Abstract: | The present study investigated the relationship between individual differences in timing movements at the level of milliseconds and performance on selected cognitive and fine motor skills. For this purpose, young adult participants (N = 100) performed a repetitive movement task paced by an auditory metronome at different rates. Psychometric measures included the digit-span and symbol search subtasks from the Wechsler battery as well as the Raven SPM. Fine motor skills were assessed with the Purdue Pegboard test. Motor timing performance was significantly related (mean r = .3) to cognitive measures, and explained both unique and shared variance with information-processing speed of Raven''s scores. No significant relations were found between motor timing measures and fine motor skills. These results show that individual differences in cognitive and motor timing performance is to some extent dependent upon shared processing not associated with individual differences in manual dexterity. |
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