EFFECTS OF INTERLIMB TRANSFER IN LEARNING AND RETENTION OF SEQUENCES
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2016-12-12
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The current study investigated the effects of interlimb transfer in learning and retention of movement sequences in mirror and non-mirror conditions using a simple four element sequence learning task. A total of Forty eight healthy, Right Handed subjects were recruited for the study. The subjects are required to perform a few key presses following a stimulus on a color monitor using a standard numerical keyboard. Four conditions were tested which include 1) right hand practice with mirror 2)right hand practice with non-mirror, 3) left hand practice with mirror, and 4) left hand practice with non-mirror. The reaction time (RT), movement time (MT), total time (TT), were measured using E-prime software program. Two way ANOVA was conducted to see the main effects and interaction effects of practice, retention and transfer for mirror and non-mirror conditions. The two-way ANOVA conducted on MT measures showed significant interaction effects. The practice Hand x Retention Test indicated for the left mirror condition, practicing with the left hand was significantly slower than practicing with the right hand, whereas for non-mirror retention condition, there is no significant difference in practicing either with the right or left hand. The Retention Test x Practice Hand interaction is also significant, for the left hand practice condition, mirror was slower when compared to non-mirror, whereas for the right hand practice condition, non-mirror was slower compared to mirror. Our results indicate differences in motor code execution while processing mirror vs. non–mirror condition with right and left hands.
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