Poster D33, Monday, March 26, 8:00-10:00 am, Exhibit Hall C
Daily intermittent moderate-to-vigorous and vigorous physical activity is related to faster P3 latency in preadolescents
Dominika Pindus1, Lauren B. Raine1, Eric S. Drollette2, Daniel Westfall1, Shih-Chun Kao1, Naiman A. Khan3, Arthur F. Kramer1,4, Charles H. Hillman1,5; 11Department of Psychology, Northeastern University, 22Department of Kinesiology, University of North Carolina Greensboro, 3Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, 4Beckman Institute for Advanced Science and Technology, University of Illinois, 5Department of Health Sciences, Northeastern University
Individual differences in brain function based on objective measures of children’s daily physical activity (PA) behavior have not been investigated. In this study, we leveraged high temporal resolution of accelerometry and electroencephalography to investigate if children who regularly engaged in more moderate PA, vigorous (VPA) and moderate-to-vigorous PA (MVPA) showed better behavioral and neuroelectric profiles during the flanker task. PA volume (min/d) and pattern (number and time spent in bouts) were measured using accelerometers with 1 s epochs. Eighty-three 8-10 years old children (50% girls) performed a modified flanker task that included 84 congruent and incongruent trials with jittered inter-stimulus intervals between 1600-2000 ms. Children who accumulated more time in VPA bouts of ≥10 s had faster P3 latencies during both congruent (b = -9.20 ± 3.11, t = 2.96, p = .004) and incongruent (b = -6.06 ± 2.71, t = 2.23, p = .03) trials. Time spent in MVPA bouts of ≥10 s was also related to faster P3 latencies on congruent trials (b = -2.51 ± 0.95, t = 2.64, p = .01). Greater time spent in 10 s VPA bouts was marginally related to more omission errors on congruent (b = .062 ± .031, t = 1.97, p = .052) but not incongruent trials (p = .10). Our data reveals a novel association between time spent in intermittent VPA and MVPA bouts characteristic of children’s daily PA and increased cognitive processing speed, which has potential implications for cognitive health and learning.
Topic Area: EXECUTIVE PROCESSES: Monitoring & inhibitory control