Heart Rate Variability in Adolescents with Autistic Spectrum Disorder Practicing a Virtual Reality Using Two Different Interaction Devices (Concrete and Abstract): A Prospective Randomized Crossover Controlled Trial.

Post Assessments The ANOVA revealed significant main effects for Moments for RMSSD (F 1, 20 = 5.77; p = 0.026, η p 2 = 0.22; op = 0.63) and SD1 (F 1, 20 = 5.78; p = 0.026, η p 2 = 0.22; op = 0.63), and a marginally significant effect, but with a large effect size for Mean RR (F 1, 20 = 4.06; p = 0.058, η p 2 = 0.17; op = 0.48), which shows an increase in RMSSD and SD1 at rest from pre (34.9 ms and 24.7, respectively) to post intervention (47.5 ms and 33.6) in both sequences. 3.3.

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