“…Studies in healthy subjects showed a reduction of all HRV parameters with aging (Corino, Matteucci, Cravello, Ferrari, Ferrari, & Mainardi, 2006;Corino, Matteucci, & Mainardi, 2007;Singh, Vinod, Saxena, & Deepak, 2006). On the other hand, no differences in HRV parameters were found between age 8 and 20 years (Fukuba et al, 2009).…”