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Exercise and Executive Function during Follicular and Luteal Menstrual Cycle Phases

DIRK, KENNEDY LAINE ; BELFRY, GLEN ROBERT ; HEATH, MATTHEW

Medicine and science in sports and exercise, 2020-04, Vol.52 (4), p.919-927 [Periódico revisado por pares]

United States: American College of Sports Medicine

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  • Título:
    Exercise and Executive Function during Follicular and Luteal Menstrual Cycle Phases
  • Autor: DIRK, KENNEDY LAINE ; BELFRY, GLEN ROBERT ; HEATH, MATTHEW
  • Assuntos: Cardiorespiratory Fitness - physiology ; Estrogens - blood ; Executive Function - physiology ; Exercise - physiology ; Exercise - psychology ; Eye Movements - physiology ; Female ; Follicular Phase - physiology ; Follicular Phase - psychology ; Humans ; Luteal Phase - physiology ; Luteal Phase - psychology ; Progesterone - blood ; Reaction Time ; Young Adult
  • É parte de: Medicine and science in sports and exercise, 2020-04, Vol.52 (4), p.919-927
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: PURPOSEA single bout of aerobic or resistance exercise improves executive function. We sought to determine whether menstrual cycle variations in ovarian hormone concentrations differentially influence the expression and/or magnitude of a postexercise executive benefit. METHODSEumenorrheic female participants completed 20-min single bouts of aerobic exercise (via cycle ergometer) at a moderate intensity (i.e., 80% of estimated lactate threshold) during the early follicular and midluteal phases of their menstrual cycle. Pre- and postexercise executive function was examined via antisaccades—an executive task requiring a saccade mirror-symmetrical to a visual stimulus. Antisaccades are an ideal tool for examining postexercise executive changes because the task is mediated via the same frontoparietal networks as modified following single-bout and chronic exercise. RESULTSAntisaccade reaction times decreased from the pre- to postexercise assessments by an average of 22 ms (P = 0.003), and this benefit was independent of changes in directional errors or end point accuracy (P’s > 0.26). In other words, participants did not decrease their postexercise reaction times at the cost of increased planning times or execution errors. Most notably, the postexercise antisaccade benefit did not vary in magnitude across follicular or luteal phases (P = 0.33) and a two one-sided test statistic (i.e., equivalence testing) provided support for the null hypothesis (P = 0.008). CONCLUSIONSA postexercise executive benefit is independent of hormonal variations in the menstrual cycle. Further, our results evince that the phase of a female participant’s menstrual cycle should not be a limiting factor in determining their inclusion in exercise neuroscience research.
  • Editor: United States: American College of Sports Medicine
  • Idioma: Inglês
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