Long-term physical activity modulates brain processing of somatosensory stimuli : Evidence from young male twins

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http://hdl.handle.net/10138/224009

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Tarkka , I M , Savic , A , Pekkola , E , Rottensteiner , M , Leskinen , T , Kaprio , J & Kujala , U M 2016 , ' Long-term physical activity modulates brain processing of somatosensory stimuli : Evidence from young male twins ' , Biological Psychology , vol. 117 , pp. 1-7 . https://doi.org/10.1016/j.biopsycho.2016.02.001

Title: Long-term physical activity modulates brain processing of somatosensory stimuli : Evidence from young male twins
Author: Tarkka, Ina M.; Savic, Andrej; Pekkola, Elina; Rottensteiner, Mirva; Leskinen, Tuija; Kaprio, Jaakko; Kujala, Urho M.
Contributor: University of Helsinki, Clinicum
Date: 2016-05
Language: eng
Number of pages: 7
Belongs to series: Biological Psychology
ISSN: 0301-0511
URI: http://hdl.handle.net/10138/224009
Abstract: Leisure-time physical activity is a key contributor to physical and mental health. Yet the role of physical activity in modulating cortical function is poorly known. We investigated whether precognitive sensory brain functions are associated with the level of physical activity. Physical activity history (3-yr-LTMET), physiological measures and somatosensory mismatch response (sMMR) in EEG were recorded in 32 young healthy twins. In all participants, 3-yr-LTMET correlated negatively with body fat%, r=0.77 and positively with VO2max, r=0.82. The fat% and VO2max differed between 15 physically active and 17 inactive participants. Trend toward larger sMMR was seen in inactive compared to active participants. This finding was significant in a pairwise comparison of 9 monozygotic twin pairs discordant for physical activity. Larger sMMR reflecting stronger synchronous neural activity may reveal diminished gating of precognitive somatosensory information in physically inactive healthy young men compared to the active ones possibly rendering them more vulnerable to somatosensory distractions from their surroundings. (C) 2016 Elsevier B.V. All rights reserved.
Subject: Human electrophysiology
Precognitive brain function
Somatosensory mismatch response
Somatosensory cortex
Physical exercise
MISMATCH NEGATIVITY MMN
EVOKED-POTENTIALS
DISCRIMINATION
RESPONSES
CHILDREN
EXERCISE
FITNESS
LATENCY
MEMORY
ADULTS
515 Psychology
3142 Public health care science, environmental and occupational health
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