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Physical activity and cognitive functions in Swedish older adults: The relationship between performance on a continuous performance task test and seven days of accelerometry data
Umeå University, Faculty of Social Sciences, Department of Psychology.
Umeå University, Faculty of Social Sciences, Department of Psychology.
2015 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Following a growing body of research, various national health boards and WHO have issued guidelines on physical activity (PA) for older adults, partly due to the age-related cognitive decline among elderly. The present study investigated 1) if time spent in strenuous PA had any predictive value for results on a single Continuous Performance Task (CPT) test and 2) if reaching WHO guidelines made any difference for performance on the same test. Results showed that strenuous PA only had predictive value for female participants regarding processing speed. The only difference was that males fulfilling WHO guidelines had faster processing speed. Accelerometry data from seven consecutive days had low predictive value for the CPT test, while physical status had somewhat higher predictive value. Different ways to categorise PA among the elderly as well as methodological considerations are discussed.

Abstract [sv]

I takt med att forskningsstödet ökat har flertalet hälsomyndigheter i olika länder, samt WHO, publicerat riktlinjer gällande fysisk aktivitet (PA) för äldre vuxna, delvis på grund av den åldersrelaterade kognitiva försämring som drabbar denna ålderskategori. Denna studie undersöker om 1) mängden tid som en person utför ansträngande fysisk aktivitet kan predicera resultat på ett Continuous Performance Task (CPT)-test samt 2) om deltagare som uppfyller WHOs riktlinjer presterar annorlunda på detta test.  Våra data visade att ansträngande PA endast kunde predicera resultaten på kvinnors reaktionstid. Den enda skillnaden mellan de som uppfyllde WHOs rekommendationer för fysisk aktivitet och de inte gjorde det fann vi i gruppen män, där de som uppfyllde WHOs riktlinjer hade en bättre reaktionstid. Våra resultat indikerar att accelerometerdata från sju på varandra direkt följande dagar förefaller ha ett lågt prediktivt värde vad gäller resultaten på det CPT-test som använts i denna studie samt att ett mått på fysisk status kan fungera bättre. Olika sätt att kategorisera PA bland äldre samt olika metodologiska frågor diskuteras.

Place, publisher, year, edition, pages
2015. , 21 p.
National Category
Psychology
Identifiers
URN: urn:nbn:se:umu:diva-104386OAI: oai:DiVA.org:umu-104386DiVA: diva2:819361
External cooperation
Institutionen för samhällsmedicin och rehabilitering
Subject / course
Examensarbete i psykologi
Educational program
Masters Programme in Sports Psychology
Supervisors
Examiners
Available from: 2015-06-17 Created: 2015-06-10 Last updated: 2015-06-17Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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