| Abstract: | Heart rate (HR) and various measures of heart rate variability (HRV) were measured while 29 male and 15 female student volunteers individually rated slide stimuli presented in one-minute intervals. Ratings were factor analyzed and factor scores analyzed as variables. Factor one: “evaluation” accounted for 52.5% of the variances. HR and HRV were not significantly related to the experimental conditions although factor one was related. HR was correlated to measures of HRV such as the coefficient of variability (CV), coefficient of temporal variability (CVT), a cosine function (FREQ) and to a lesser degree the auto-correlation (RA)]. HR also correlated linearly to evaluation. CVT, CV and RA were also linearly correlated to evaluation. HRV (BURST) was independent of HR, other forms of HRV, and curvilinearly related to evaluation. A cyclic HRV function (FREQ) was found with a mode of 18.7 sec and accounted for 21.4% of the variance of the heart beat data. This cyclic function, not reported previously, should be further investigated. |
