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Motor sequence learning: The effect of extended discrete sequence production practice on motor chunking in older adults

Lam, W.L. (2016) Motor sequence learning: The effect of extended discrete sequence production practice on motor chunking in older adults.

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Abstract:Previous research by Verwey (2010) showed that older adults did not use motor chunks to perform keying sequences after practice with the discrete sequence production (DSP) task. The present study examined whether extended practice could contribute to chunking in older adults. DSP practice in this study consisted of two consecutive visits. Participants also performed a task to assess their visuospatial working-memory capacity and a test to determine their speed of information processing. Results showed that older adults already used motor chunks on the first visit to execute the practiced 3-key and 6-key sequence. Furthermore, participants displayed more concatenation between consecutive motor chunks when performing the 6-key sequence on the second visit compared to the first visit, which suggested even more chunking due to the extended practice. However, the visuospatial working-memory capacity and the speed of information processing did not correlate with the chunking indices which measured the degree of chunking.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/70908
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