Banca de DEFESA: WESLLEY QUIRINO ALVES DA SILVA
Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.DISCENTE : WESLLEY QUIRINO ALVES DA SILVA
DATA : 30/08/2016
HORA: 14:00
LOCAL: DEF - UFRN
TÍTULO:
Effect of emotional feelings on cognitive control during incremental exercise: the role of the autonomic control and ventromedial prefrontal cortex
PALAVRAS-CHAVES:
emotion, frontal lobe, inhibitory control, executive function, heart rate variability.
PÁGINAS: 70
GRANDE ÁREA: Ciências da Saúde
ÁREA: Educação Física
RESUMO:
Introduction: the lack of inclusion in much of the population in physical activity programs, is due to emotional experiences of displeasure caused by the intensity of exercise. Thus, theoretical studies have cognitive control, as a key element in regulating emotions of pleasure. Objective: To analyze the effect of affective feelings on cognitive control, autonomic system and ventromedial prefrontal cortex (vmPFC), during the incremental test. Method: thirty-seven young adults, sedentary, participated randomly in two experimental conditions (control and exercise). In the exercise condition, performed a maximal incremental test on a cycle ergometer with concurrent evaluation of hemodynamic flow vmPFC, heart rate variability (HRV), cognitive control (Stroop test) and affection scales and associative and dissociative thought (ADT) to end of each stage intensity exercise. In the control condition, the volunteers performed the same evaluations of the exercise condition, but without exercise. In the test of cognitive control, reaction time (RT) and the Stroop test amount errors were recorded. In addition to the TR register and the number of errors it was calculated the inverse efficiency score (IES). For the evaluation of hemodynamic flow vmPFC, it was measures the relative concentrations of oxyhemoglobin (HbO2), deoxyhemoglobin (HHb) and total hemoglobin (tHb). In the analysis of the variables in the experimental conditions, it was recorded the stage of ventilatory threshold (VT), including two stages above and below the VT, and the early and later stage of the incremental test, was also adopted the rest time (eight points). ANOVA for repeated measures two away found the possible differences in the variables between the conditions (control and exercise) and times (eight stages). Next it was performed Pearson correlation, to understand the relationship of emotional feeling about cognitive control, HRV and hemodynamic flow vmPFC. Results: the analysis of the behavior of the variables of the exercise condition, as well as affection, cognitive parameters: how the IES and ADT, HRV indices: HF/LF, HF and LF, and the hemodynamic flow HbO2, HHB and tHb showed significant differences compared to the rest. In the Stroop test, the error number, showed significant differences in intensities above the VT, while the RT no significant differences. When we analyze the effect of the decline of the emotional experience of pleasure exercise condition with all the variables, some showed significant correlation in test error number Stroop (r = -0.77), ADT (r = -0.99), LF (r = -0.79) and the hemodynamic flow for both HbO2 (r = -0.99), as for the tHb (r = -0.99). Conclusion: cardiac autonomic changes caused by increased physical exercise intensity, promotes more afferent feedback, reflecting the increased emotional experience of unpleasantness, associative thinking, hemodynamic flow vmPFC and decline in cognitive control. Thus, the decline of cognitive control, especially at intensities above the VT presents losses in emotional regulation of pleasure.
MEMBROS DA BANCA:
Presidente - 2231794 - EDUARDO BODNARIUC FONTES
Interno - 1640243 - ALEXANDRE HIDEKI OKANO
Interno - 1714450 - CHENG HSIN NERY CHAO
Externo ao Programa - 1243905 - DRAULIO BARROS DE ARAUJO
Externo à Instituição - ANDREA CAMAZ DESLANDES - UERJ