Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home

Most people with dementia live at home supported by informal caregivers, but disturbed sleep patterns may induce a heavy burden of care. The beneficial effects of bright light on their sleep, health, and well-being have been demonstrated in clinical settings, but not in a home situation. We evaluate...

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Autores principales:	Ellen van Lieshout-van Dal, Liselore Snaphaan, Samantha Bouwmeester, Yvonne de Kort, Inge Bongers
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	dementia home dynamic light study protocol Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/9551b01dcc49487e96cbde9eb50c57cf
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id	oai:doaj.org-article:9551b01dcc49487e96cbde9eb50c57cf
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spelling	oai:doaj.org-article:9551b01dcc49487e96cbde9eb50c57cf2021-11-11T15:16:16ZTesting a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home10.3390/app1121102212076-3417https://doaj.org/article/9551b01dcc49487e96cbde9eb50c57cf2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10221https://doaj.org/toc/2076-3417Most people with dementia live at home supported by informal caregivers, but disturbed sleep patterns may induce a heavy burden of care. The beneficial effects of bright light on their sleep, health, and well-being have been demonstrated in clinical settings, but not in a home situation. We evaluated a dynamic lighting system in a real-life longitudinal single-case experimental design (SCED) with people with dementia living at home. Eleven people with dementia and their informal caregivers were included in this study with four 4-week periods of alternating exposure and nonexposure in an introduction–withdrawal setup (ABAB). Objective light exposure data were collected and analyzed. The used study design seems applicable for this population and suitable for home use. Participant dropout did occur, but was due to health conditions rather than participant burden. The lighting system led to more light in the homes of the participants, as well as to higher actual individual light exposures, although the latter increased only moderately and not consistently across all participants, seasons, and times of day. The participants appreciated the lighting system even after 6 months. We reflect on individual differences, seasonal and daypart influences, and differential light effects. Recommendations and lessons learned are discussed.Ellen van Lieshout-van DalLiselore SnaphaanSamantha BouwmeesterYvonne de KortInge BongersMDPI AGarticledementiahomedynamic lightstudy protocolTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10221, p 10221 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	dementia home dynamic light study protocol Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	dementia home dynamic light study protocol Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Ellen van Lieshout-van Dal Liselore Snaphaan Samantha Bouwmeester Yvonne de Kort Inge Bongers Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home
description	Most people with dementia live at home supported by informal caregivers, but disturbed sleep patterns may induce a heavy burden of care. The beneficial effects of bright light on their sleep, health, and well-being have been demonstrated in clinical settings, but not in a home situation. We evaluated a dynamic lighting system in a real-life longitudinal single-case experimental design (SCED) with people with dementia living at home. Eleven people with dementia and their informal caregivers were included in this study with four 4-week periods of alternating exposure and nonexposure in an introduction–withdrawal setup (ABAB). Objective light exposure data were collected and analyzed. The used study design seems applicable for this population and suitable for home use. Participant dropout did occur, but was due to health conditions rather than participant burden. The lighting system led to more light in the homes of the participants, as well as to higher actual individual light exposures, although the latter increased only moderately and not consistently across all participants, seasons, and times of day. The participants appreciated the lighting system even after 6 months. We reflect on individual differences, seasonal and daypart influences, and differential light effects. Recommendations and lessons learned are discussed.
format	article
author	Ellen van Lieshout-van Dal Liselore Snaphaan Samantha Bouwmeester Yvonne de Kort Inge Bongers
author_facet	Ellen van Lieshout-van Dal Liselore Snaphaan Samantha Bouwmeester Yvonne de Kort Inge Bongers
author_sort	Ellen van Lieshout-van Dal
title	Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home
title_short	Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home
title_full	Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home
title_fullStr	Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home
title_full_unstemmed	Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home
title_sort	testing a single-case experimental design to study dynamic light exposure in people with dementia living at home
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9551b01dcc49487e96cbde9eb50c57cf
work_keys_str_mv	AT ellenvanlieshoutvandal testingasinglecaseexperimentaldesigntostudydynamiclightexposureinpeoplewithdementialivingathome AT liseloresnaphaan testingasinglecaseexperimentaldesigntostudydynamiclightexposureinpeoplewithdementialivingathome AT samanthabouwmeester testingasinglecaseexperimentaldesigntostudydynamiclightexposureinpeoplewithdementialivingathome AT yvonnedekort testingasinglecaseexperimentaldesigntostudydynamiclightexposureinpeoplewithdementialivingathome AT ingebongers testingasinglecaseexperimentaldesigntostudydynamiclightexposureinpeoplewithdementialivingathome
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Testing a Single-Case Experimental Design to Study Dynamic Light Exposure in People with Dementia Living at Home

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