Dyad Training Protocol on Learning of Bimanual Cup Stacking in Individuals with Stroke: Effects of Observation Duration

Tretriluxana, J.; Taptong, J.; Chaiyawat, P.

Journal of the Medical Association of Thailand 98(Suppl 5): S106-S112


ISSN/ISBN: 0125-2208
PMID: 26387420
Document Number: 16439
To examine the effects of dyad training protocol with different observation-durations on the learning of bimanual cup stacking in individuals with chronic stroke. Participants (experimental and control groups) completed the task in pairs. On the first day (acquisition phase: AP), the experimental group observed their partner 6 minutes and alternately performed the task 6 minutesfor 4 sessions. The control group underwent 1 minute of observing alternated with 1 minute of performing the task for 24 sessions. On the following day (retention phase: RP), both groups performed the task individually first without feedback, followed by withfeedback. The dependent measures were movement time (MT), a measure of motor execution, and reaction time (RT), a measure of motor planning. In the AP both groups completed the task with decreased MT The experimental group showed significantly greater improvement of MT than the control group. As for RP, only the experimental group performed the task with less MT when compared with the last block of AP Additionally, this group significantly decreased MT when compared with the first block. Although, a similar pattern was observed of decreased RTfor both groups, in the RP the experiment group had shorter RT compared with that of the control group. For individuals with chronic stroke, compared with the 1-minute observation alternating with physical practice, the 6-minute duration resulted in greater persistent learning. Moreover the 6-minute duration greatly enhanced the planning of bimanual cup stacking.

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