Aging reduces complexity of heart rate variability assessed by conditional entropy and symbolic analysis - Takahashi, Anielle C. M.; Porta, Alberto; Melo, Ruth C.; Quitério, Robison J.; da Silva, Ester; Borghi-Silva, Audrey; Tobaldini, Eleonora; Montano, Nicola; Catai, Aparecida M. (Internal and emergency medicine, 2012)
Keywords: Adult; Age Factors; Aged; Aging - physiology; Autonomic Nervous System; Entropy; Health Status Indicators; Heart Rate - physiology; Humans; Im - Original; Internal Medicine; Male; Medicine; Medicine & Public Health; Middle Aged; Nonlinear Dynamics; Risk; Statistics, Nonparametric; Young Adult; Aging; Symbolic analysis; Conditional entropy; Heart rate variability; Nonlinear analysis