Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task

Catherine F Siengsukon, Alham Al-SharmanDepartment of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, KS, USABackground: Healthy young individuals benefit from sleep to promote offline enhancement of a variety of explicitly learned discrete motor tasks....

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Autores principales:	Siengsukon CF, Al-Sharman A
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2011
Materias:	Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/3d8fb128924544b7ba21636aaf45dc9c
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spelling	oai:doaj.org-article:3d8fb128924544b7ba21636aaf45dc9c2021-12-02T02:21:06ZSleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task1179-1608https://doaj.org/article/3d8fb128924544b7ba21636aaf45dc9c2011-06-01T00:00:00Zhttp://www.dovepress.com/sleep-promotes-offline-enhancement-of-an-explicitly-learned-discrete-b-a7669https://doaj.org/toc/1179-1608Catherine F Siengsukon, Alham Al-SharmanDepartment of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, KS, USABackground: Healthy young individuals benefit from sleep to promote offline enhancement of a variety of explicitly learned discrete motor tasks. It remains unknown if sleep will promote learning of other types of explicit tasks. The purpose of this study is to verify the role of sleep in learning an explicitly instructed discrete motor task and to determine if participants who practice an explicitly instructed continuous tracking task demonstrate sleep-dependent offline learning of this task.Methods: In experiment 1, 28 healthy young adults (mean age 25.6 &plusmn; 3.8 years) practiced a serial reaction time (SRT) task at either 8 am (SRT no-sleep group) or 8 pm (SRT sleep group) and underwent retention testing 12 &plusmn; 1 hours later. In experiment 2, 20 healthy young individuals (mean age 25.6 &plusmn; 3.3 years) practiced a continuous tracking task and were similarly divided into a no-sleep (continuous tracking no-sleep group) or sleep group (continuous tracking sleep group). Individuals in both experiments were provided with explicit instruction on the presence of a sequence in their respective task prior to practice.Results: Individuals in the SRT sleep group demonstrated a significant offline reduction in reaction time whereas the SRT no-sleep group did not. Results for experiment 1 provide concurrent evidence that explicitly learned discrete tasks undergo sleep-dependent offline enhancement. Individuals in the continuous tracking sleep group failed to demonstrate a significant offline reduction in tracking error. However, the continuous tracking no-sleep group did demonstrate a significant offline improvement in performance. Results for experiment 2 indicate that sleep is not critical for offline enhancement of an explicit learned continuous task.Conclusion: The findings that individuals who practiced an explicitly instructed discrete task experienced sleep-dependent offline learning while those individuals who practiced an explicitly instructed continuous task did not may be due to the difference in motor control or level of complexity between discrete and continuous tasks.Keywords: sleep, motor learning, discrete task, continuous taskSiengsukon CFAl-Sharman ADove Medical PressarticlePsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol 2011, Iss default, Pp 39-46 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Siengsukon CF Al-Sharman A Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
description	Catherine F Siengsukon, Alham Al-SharmanDepartment of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, KS, USABackground: Healthy young individuals benefit from sleep to promote offline enhancement of a variety of explicitly learned discrete motor tasks. It remains unknown if sleep will promote learning of other types of explicit tasks. The purpose of this study is to verify the role of sleep in learning an explicitly instructed discrete motor task and to determine if participants who practice an explicitly instructed continuous tracking task demonstrate sleep-dependent offline learning of this task.Methods: In experiment 1, 28 healthy young adults (mean age 25.6 &plusmn; 3.8 years) practiced a serial reaction time (SRT) task at either 8 am (SRT no-sleep group) or 8 pm (SRT sleep group) and underwent retention testing 12 &plusmn; 1 hours later. In experiment 2, 20 healthy young individuals (mean age 25.6 &plusmn; 3.3 years) practiced a continuous tracking task and were similarly divided into a no-sleep (continuous tracking no-sleep group) or sleep group (continuous tracking sleep group). Individuals in both experiments were provided with explicit instruction on the presence of a sequence in their respective task prior to practice.Results: Individuals in the SRT sleep group demonstrated a significant offline reduction in reaction time whereas the SRT no-sleep group did not. Results for experiment 1 provide concurrent evidence that explicitly learned discrete tasks undergo sleep-dependent offline enhancement. Individuals in the continuous tracking sleep group failed to demonstrate a significant offline reduction in tracking error. However, the continuous tracking no-sleep group did demonstrate a significant offline improvement in performance. Results for experiment 2 indicate that sleep is not critical for offline enhancement of an explicit learned continuous task.Conclusion: The findings that individuals who practiced an explicitly instructed discrete task experienced sleep-dependent offline learning while those individuals who practiced an explicitly instructed continuous task did not may be due to the difference in motor control or level of complexity between discrete and continuous tasks.Keywords: sleep, motor learning, discrete task, continuous task
format	article
author	Siengsukon CF Al-Sharman A
author_facet	Siengsukon CF Al-Sharman A
author_sort	Siengsukon CF
title	Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
title_short	Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
title_full	Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
title_fullStr	Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
title_full_unstemmed	Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
title_sort	sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task
publisher	Dove Medical Press
publishDate	2011
url	https://doaj.org/article/3d8fb128924544b7ba21636aaf45dc9c
work_keys_str_mv	AT siengsukoncf sleeppromotesofflineenhancementofanexplicitlylearneddiscretebutnotanexplicitlylearnedcontinuoustask AT alsharmana sleeppromotesofflineenhancementofanexplicitlylearneddiscretebutnotanexplicitlylearnedcontinuoustask
_version_	1718402521014206464

Sleep promotes offline enhancement of an explicitly learned discrete but not an explicitly learned continuous task

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