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The effects of sleep disturbances on memory
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Social Sciences, Department of Psychology.
2018 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The objective of this thesis was to examine the effects of sleep quality and non-restorative sleep on both subjective and objective memory function in an elderly population. Data was drawn from a longitudinal study in Umeå and consisted initially of 956 persons. After excluding people under 65 years of age and controlling for missing values the remaining sample consisted of 389 male (n=185) and female (n=204) persons. Linear multiple regressions were performed to analyze if sleep quality disturbance and non-restorative sleep predicted subjective and objective memory function. The result showed that both high values of sleep quality disturbances and non-restorative sleep were predictive of subjective memory complaints. However, neither of the two sleep dimensions were predictive of objective memory function. Future research should focus on the longitudinal effects of sleep disturbances on objective memory performance as well as the effect of sleep disturbances on episodic memory. 

Abstract [sv]

Syftet med den här uppsatsen var att undersöka effekterna av sömnkvalitet och icke-restorativ sömn på både subjektiv och objektiv minnesfunktion. Data togs från en longitudinell studie i Umeå och bestod av 956 deltagare. Efter att ha exkluderar personer under 65 år och kontrollerat för saknade värden bestod den återstående gruppen av 468 män (n=185) och kvinnor (n=204). Multipla regressionsmodeller utfördes för att analysera om sömnkvalitetsstörningar och icke-restorativ sömn kunde predicera subjektiv och objektiv minnesfunktion. Resultaten visade att både höga värden av sömnkvalitetsstörningar och icke-restorativ sömn predicerade subjektiva minnesbesvär. Däremot predicerade ingen av sömnindexen objektiv minnesfunktion. Framtida studier bör därför undersöka den longitudinella effekten av sömnstörningar på objektiv minnesfunktion, samt effekten av sömnstörningar på episodiskt minne.

Place, publisher, year, edition, pages
2018.
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:umu:diva-143769OAI: oai:DiVA.org:umu-143769DiVA, id: diva2:1172152
Subject / course
Examensarbete i psykologi
Educational program
Study Programme for University Diploma in Psychology
Supervisors
Available from: 2018-01-09 Created: 2018-01-09 Last updated: 2018-01-09Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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