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Title: Motor learning and inter-manual transfer of motor learning after a stroke
Author: Shalabi, Kholood Matouq
ISNI:       0000 0004 7654 3933
Awarding Body: University of Newcastle upon Tyne
Current Institution: University of Newcastle upon Tyne
Date of Award: 2017
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Aims: 1) To measure automatically in stroke survivors and neurologically intact adults, learning, inter-manual transfer (ImT) and retention of learning (Ret.) of a task requiring two sequential actions embedded with-in a video game. 2) To assess the effect of age and side of stroke on learning, ImT, and Ret. of a motor task consisting of two sequentially linked actions. Participants: All participants were right hand dominant and included: A) 112 neurologically intact adults comprising: 72 younger adults (41 females), mean±SD age, 27.06±4.8 years, range 20-36 years and 40 older adults (26 females), mean±SD age 66.2±8.4 years, range 52- 86 years. B) 21 previously right-handed stroke survivors (7 females; 9 left hemiparesis), mean±SD age 66.7±9.3 years, range 54-82 years. Methods: We developed a video game that requires the player to perform two sequential actions to complete a task that mimics natural manipulation tasks. The players must first move a spaceship to a meteor (the Lock-in time phase), using isometric forces applied to game controllers using their hand muscles. The player must then track the trajectory of the meteor; (Hold/Track phase). The Lock-in time phase is assessed as the time from target presentation to achieving the target. The Hold/Track phase is assessed as the accuracy of Tracking within the meteor during the hold/Track phase. Performance is measured as the mean accumulative distance of the centre of the space ship from the outer edge of the target during periods when spaceship is outside the target. For both phases indicators, shorter distances represent higher performance. The Lock-in time and Hold/Track data were recorded for pre-training performance for the non-trained hand (nTH), pre-training performance for the trained hand (TH), training trials of the TH, reassessment after training of both the TH and the nTH, and a reassessment of both the TH and the nTH seven days after the baseline assessment. Statistical Analysis: Repeated-measures ANOVA was used; Time was the within-participant factor to examine learning. Two separate analyses were undertaken; to examine initial learning -Time (Pre, and Post Training) and to examine retention/consolidation - Time (Post- Training and Retention at one week). Age (Young, Older), Training Hand (right or left), and Group (neurologically intact or stroke survivors) were the between-participant factor. The dependent variables were Lock-in Time or Track.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available