The effect of high and low exercise intensity periods on a simple memory recognition test
Purpose: The purpose of this study was to investigate the effect of variable intensities on a simple memory recognition task during exercise. Methods: Twenty active participants took part in initial testing, a familiarization trial and then four 60 min cycling interventions in a randomized order. In...
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doaj-6565b8892115450f99fd91eae716f2332020-11-24T22:36:31ZengElsevierJournal of Sport and Health Science2095-25462016-09-015334234810.1016/j.jshs.2015.01.005The effect of high and low exercise intensity periods on a simple memory recognition testBen Rattray0Disa J. Smee1Discipline of Sport and Exercise Science, Faculty of Health, University of Canberra, Canberra, ACT 2601, AustraliaDiscipline of Sport and Exercise Science, Faculty of Health, University of Canberra, Canberra, ACT 2601, AustraliaPurpose: The purpose of this study was to investigate the effect of variable intensities on a simple memory recognition task during exercise. Methods: Twenty active participants took part in initial testing, a familiarization trial and then four 60 min cycling interventions in a randomized order. Interventions consisted of no exercise (control), constant exercise at 90% ventilatory threshold (constant) and 2 trials that initially mimicked the constant trial, but then included periods of high (∼90%VO2peak) and low intensities (∼50%VO2peak). Cardiorespiratory measures and capillary blood samples were taken throughout. A short tablet-based cognitive task was completed prior to and during (50 and 55 min into exercise) each intervention. Results: The exercise conditions facilitated response time (p = 0.009), although the extent of this effect was not as strong in the variable exercise conditions (p = 0.011–0.089). High intensity exercise periods resulted in some cognitive regression back towards control trial performance. Elevations in cardiorespiratory measures and periods of hypocapnia could not explain changes in cognitive performance. Conclusion: Changes in cognitive performance with variations in exercise intensity are likely to have implications for sport and occupational settings. The timing of cognitive tests to exercise intensity changes as well as use of short cognitive assessments will be important for future work.http://www.sciencedirect.com/science/article/pii/S209525461500040XAcuteCognitiveCyclingDecision-makingPhysical activity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ben Rattray Disa J. Smee |
spellingShingle |
Ben Rattray Disa J. Smee The effect of high and low exercise intensity periods on a simple memory recognition test Journal of Sport and Health Science Acute Cognitive Cycling Decision-making Physical activity |
author_facet |
Ben Rattray Disa J. Smee |
author_sort |
Ben Rattray |
title |
The effect of high and low exercise intensity periods on a simple memory recognition test |
title_short |
The effect of high and low exercise intensity periods on a simple memory recognition test |
title_full |
The effect of high and low exercise intensity periods on a simple memory recognition test |
title_fullStr |
The effect of high and low exercise intensity periods on a simple memory recognition test |
title_full_unstemmed |
The effect of high and low exercise intensity periods on a simple memory recognition test |
title_sort |
effect of high and low exercise intensity periods on a simple memory recognition test |
publisher |
Elsevier |
series |
Journal of Sport and Health Science |
issn |
2095-2546 |
publishDate |
2016-09-01 |
description |
Purpose: The purpose of this study was to investigate the effect of variable intensities on a simple memory recognition task during exercise.
Methods: Twenty active participants took part in initial testing, a familiarization trial and then four 60 min cycling interventions in a randomized order. Interventions consisted of no exercise (control), constant exercise at 90% ventilatory threshold (constant) and 2 trials that initially mimicked the constant trial, but then included periods of high (∼90%VO2peak) and low intensities (∼50%VO2peak). Cardiorespiratory measures and capillary blood samples were taken throughout. A short tablet-based cognitive task was completed prior to and during (50 and 55 min into exercise) each intervention.
Results: The exercise conditions facilitated response time (p = 0.009), although the extent of this effect was not as strong in the variable exercise conditions (p = 0.011–0.089). High intensity exercise periods resulted in some cognitive regression back towards control trial performance. Elevations in cardiorespiratory measures and periods of hypocapnia could not explain changes in cognitive performance.
Conclusion: Changes in cognitive performance with variations in exercise intensity are likely to have implications for sport and occupational settings. The timing of cognitive tests to exercise intensity changes as well as use of short cognitive assessments will be important for future work. |
topic |
Acute Cognitive Cycling Decision-making Physical activity |
url |
http://www.sciencedirect.com/science/article/pii/S209525461500040X |
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