Research Article
Progesterone and Mental Rotation Task: Is There Any Effect?
Table 2
The influence of time-on-task (8 samples) and group (men, FO, and LU) on heart rate and heart rate variability. Significant differences are in bold.
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HR: heart rate, SDNN: standard deviation of the RRIs, RMSSD: the square root of the mean squared successive heart period differences, HF: high frequency component, LF: low frequency component, LFnorm: normalized LF, and HFnorm: normalized HF. |