Study protocol and rationale of the “Cogniaction project” a cross-sectional and randomized controlled trial about physical activity, brain health, cognition, and educational achievement in schoolchildren

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URI: http://hdl.handle.net/10498/21689
DOI: 10.1186/s12887-019-1639-8
ISSN: 1471-2431
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Solis-Urra, Patricio; Olivares-Arancibia, Jorge; Suarez-Cadenas, Ernesto; Sanchez-Martinez, Javier; Rodriguez-Rodriguez, Fernando; Ortega, Francisco B.; Esteban-Cornejo, Irene; Cadenas-Sanchez, Cristina; Castro Piñero, José
Date
2019-07Department
Didáctica de la Educación Física, Plástica y MusicalSource
BMC Pediatrics (2019) 19:260Abstract
Background: Education and health are crucial topics for public policies as both largely determine the future
wellbeing of the society. Currently, several studies recognize that physical activity (PA) benefits brain health
in children. However, most of these studies have not been carried out in developing countries or lack the
transference into the education field. The Cogni-Action Project is divided into two stages, a cross-sectional
study and a crossover-randomized trial. The aim of the first part is to establish the associations of PA,
sedentarism, and physical fitness with brain structure and function, cognitive performance and academic
achievement in Chilean schoolchildren (10–13 years-old). The aim of the second part is to determinate the
acute effects of three PA protocols on neuroelectric indices during a working memory and a reading task.
Methods: PA and sedentarism will be self-reported and objectively-assessed with accelerometers in a representative
subsample, whilst physical fitness will be evaluated through the ALPHA fitness test battery. Brain structure and function
will be assessed by magnetic resonance imaging (MRI) in a randomized subsample. Cognitive performance will be
assessed through the NeuroCognitive Performance Test, and academic achievement by school grades. In the second part
32 adolescents (12–13 year-old) will be cross-over randomized to these condition (i) “Moderate-Intensity Continuous
Training” (MICT), (ii) “Cooperative High-Intensity Interval Training” (C-HIIT), and (iii) Sedentary condition. Neuroelectric
indices will be measures by electroencephalogram (EEG) and eye-tracking, working memory by n-back task and reading
comprehension by a reading task.