Journal article
Sensor-Measured Sedentariness and Physical Activity Are Differentially Related to Fluid and Crystallized Abilities in Aging
Psychology and aging, Vol.35(8), pp.1154-1169
12/2020
DOI: 10.1037/pag0000580
PMID: 32969693
Abstract
Aerobic exercise and physical activity (PA) are known to benefit cognition in adulthood. However, a typical older adult spends most of the day sedentary or in light PA, behaviors that are typically poorly captured by questionnaires. To better understand the associations between time spent in different intensities of lifestyle PA and cognition, we measured average time spent daily in sedentariness, light, and moderate to vigorous PA using hip-worn sensors (ActiGraph accelerometers). We studied baseline data from 228 cognitively normal adults (Age 60-80) who took part in a clinical trial (clinical study identifier: NCT01472744). Fluid (processing speed, memory, and reasoning) and crystallized abilities (vocabulary knowledge) were assessed with the Virginia Cognitive Aging Battery. Adjusting for age, sex, and several modifiable socioeconomic, physical and functional health factors, time spent daily in moderate to vigorous PA was positively related with fluid abilities (perceptual speed and reasoning). Furthermore, we found that those spending more time sedentary performed better on vocabulary knowledge and reasoning tasks. In contrast, time spent in light PA was not related to either fluid or crystallized abilities. Our results add to the previous literature by providing the first sensor-based evidence that crystallized and fluid abilities in older age may be associated with engagement in different intensities of daily activity. Moreover, our findings suggest that the behavior of moderate to vigorous PA is at least as important in relation to cognition as the desirable long-term physiological effects of higher intensity PA and exercise.
Details
- Title: Subtitle
- Sensor-Measured Sedentariness and Physical Activity Are Differentially Related to Fluid and Crystallized Abilities in Aging
- Creators
- Agnieszka Z Burzynska - Department of Human Development and Family Studies/Molecular, Cellular and Integrative Neurosciences, Colorado State UniversityMichelle W Voss - Department of Psychological and Brain Sciences, University of IowaJason Fanning - Department of Internal Medicine and Health and Exercise Sciences, Wake Forest UniversityElizabeth A Salerno - Cancer Prevention Fellowship Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MarylandNeha P Gothe - Department of Kinesiology and Community Health, University of Illinois at Urbana-ChampaignEdward McAuley - Department of Kinesiology and Community Health, University of Illinois at Urbana-ChampaignArthur F Kramer - Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, and Departments of Psychology and Mechanical and Industrial Engineering, Northeastern University
- Contributors
- Elizabeth A. L Stine-Morrow (Editor)
- Resource Type
- Journal article
- Publication Details
- Psychology and aging, Vol.35(8), pp.1154-1169
- DOI
- 10.1037/pag0000580
- PMID
- 32969693
- NLM abbreviation
- Psychol Aging
- ISSN
- 0882-7974
- eISSN
- 1939-1498
- Publisher
- American Psychological Association
- Grant note
- DOI: 10.13039/100000002, name: National Institutes of Health, award: R37 AG025667; DOI: 10.13039/100011947, name: Abbott Nutrition
- Language
- English
- Date published
- 12/2020
- Academic Unit
- Psychological and Brain Sciences; Iowa Neuroscience Institute
- Record Identifier
- 9984070007502771
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