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Enhancing motor learning in people with stroke via memory reactivation during sleep.
Rehabilitation Psychology ( IF 3.713 ) Pub Date : 2021-09-30 , DOI: 10.1037/rep0000401
Brian P Johnson 1 , Steven M Scharf 2 , Avelino C Verceles 2 , Kelly P Westlake 1
Affiliation  

PURPOSE Investigate the use of repetitive delivery of task-related auditory cues, known as targeted memory reactivation (TMR), throughout a 1-hour daytime nap to enhance motor learning in individuals with chronic stroke. RESEARCH METHOD Participants with a history of stroke at least 6 months prior were recruited to perform a novel overhand throwing task to randomly appearing target locations using the nonparetic upper extremity immediately before and after a 1-hour daytime nap. Half of the participants received TMR during the nap. RESULTS Participants who received TMR demonstrated a greater overall reduction in absolute and variable spatial errors relative to the NoTMR control group. Both groups demonstrated similar generalization of skill to 2 untrained variants of the trained task, but not to a novel untrained task. CONCLUSIONS This study suggests that TMR may enhance motor learning after stroke. Future studies should investigate whether TMR can lead to improvements of the paretic upper extremity during clinically based rehabilitation interventions. (PsycInfo Database Record (c) 2021 APA, all rights reserved).

中文翻译:

通过睡眠期间的记忆再激活增强中风患者的运动学习。

目的研究在 1 小时的白天小睡中重复传递与任务相关的听觉线索,称为目标记忆再激活 (TMR),以增强慢性中风患者的运动学习。研究方法 招募至少 6 个月前有中风病史的参与者,在白天小睡 1 小时之前和之后立即使用非瘫痪的上肢向随机出现的目标位置执行新的上手投掷任务。一半的参与者在午睡期间接受了 TMR。结果 与 NoTMR 对照组相比,接受 TMR 的参与者在绝对和可变空间误差方面表现出更大的整体减少。两组都展示了对已训练任务的 2 个未训练变体的相似技能泛化,但对新的未训练任务则不然。结论 本研究表明,TMR 可能会增强中风后的运动学习能力。未来的研究应该调查 TMR 是否可以在基于临床的康复干预期间改善瘫痪的上肢。(PsycInfo 数据库记录 (c) 2021 APA,保留所有权利)。
更新日期:2021-09-30
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