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Avoiding sedentary behaviors requires more cortical resources than avoiding physical activity: An EEG study

View ORCID ProfileBoris Cheval, Eda Tipura, Nicolas Burra, Jaromil Frossard, Julien Chanal, Dan Orsholits, Remi Radel, View ORCID ProfileMatthieu P. Boisgontier
doi: https://doi.org/10.1101/277988
Boris Cheval
University of Geneva;
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  • For correspondence: boris.cheval@unige.ch
Eda Tipura
University of Geneva;
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Nicolas Burra
University of Geneva;
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Jaromil Frossard
University of Geneva;
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Julien Chanal
University of Geneva;
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Dan Orsholits
University of Geneva;
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Remi Radel
Universite Cote Azur;
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Matthieu P. Boisgontier
KU Leuven
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Abstract

Why do individuals fail to exercise regularly despite knowledge of the risks associated with physical inactivity? Automatic processes regulating exercise behaviors may partly explain this paradox. However, these processes have only been investigated with purely behavioral paradigms. Here, using electroencephalography, we investigated the cortical activity underlying automatic approach and avoidance tendencies toward stimuli depicting physical activity and sedentary behaviors in 29 young adults who were physically active (n=14) or physically inactive but with the intention of becoming physically active (n=15). Behavioral results showed faster reactions when approaching physical activity compared to sedentary behaviors, but faster reactions when avoiding sedentary behaviors compared to physical activity. These faster reactions were more pronounced in physically active compared to inactive individuals and were associated with changes during sensory integration (earlier onset latency and larger positive deflection of the stimulus-locked lateralized readiness potentials) but not during motor preparation (no effect on the response-locked lateralized readiness potentials). Faster reactions when avoiding sedentary behaviors compared to physical activity were also associated with higher conflict monitoring (larger early and late N1 event-related potentials) and higher inhibition (larger N2 event-related potentials), irrespective of the usual level of physical activity. These results suggested that additional cortical resources were required to counteract an innate tendency to approach sedentary behaviors.

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Posted March 07, 2018.
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Avoiding sedentary behaviors requires more cortical resources than avoiding physical activity: An EEG study
Boris Cheval, Eda Tipura, Nicolas Burra, Jaromil Frossard, Julien Chanal, Dan Orsholits, Remi Radel, Matthieu P. Boisgontier
bioRxiv 277988; doi: https://doi.org/10.1101/277988
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Avoiding sedentary behaviors requires more cortical resources than avoiding physical activity: An EEG study
Boris Cheval, Eda Tipura, Nicolas Burra, Jaromil Frossard, Julien Chanal, Dan Orsholits, Remi Radel, Matthieu P. Boisgontier
bioRxiv 277988; doi: https://doi.org/10.1101/277988

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