Table 7. Correlations between EEG power spectrum and HRV parameters in recovery. Frequency LF power HF power EDR iAPF Total power Total spectrum .012 -.214 .04 -.027 Theta .053 -.181 .057 -.116 Alpha .052 -.152 .048 -.065 Beta -.06 -.26 .036 0 Gamma .026 -.223 .037 -.022 Frontopolar Total spectrum -.085 -.123 .15 -.209 Theta -.105 -.171 .069 -.182 Alpha -.072 -.091 .014 -.187 Beta -.108 -.118 .14 -.205 Gamma -.091 -.133 .16 -.182 Frontal Total spectrum .062 -.056 .017 -.181 Theta .056 -.072 .087 -.309 Alpha -.055 -.174 .088 -.219 Beta -.014 -.129 .089 -.198 Gamma .092 .003 -.019 -.15 Temporal Total spectrum -.086 -.338 .179 -.011 Theta .039 -.207 .152 -.061 Alpha .104 -.176 .129 -.054 Beta -.063 -.310 .174 .005 Gamma -.088 -.349 .172 -.017 Central Total spectrum .019 -.134 -.105 .217 Theta .08 -.109 -.087 .162 Alpha .101 -.069 -.052 .145 Beta -.017 -.172 -.089 .239 Gamma .012 -.115 -.104 .205 Parietal Total spectrum -.062 -.227 -.007 .133 Theta -.005 -.177 .076 -.011 Alpha -.058 -.206 .093 .067 Beta -.114 -.299 .024 .118 Gamma -.071 -.225 -.029 .142 Occipital Total spectrum .081 -.152 -.04 .006 Theta .132 -.092 -.023 -.061 Alpha .021 -.179 -.043 .028 Beta -.012 -.218 -.04 -.009 Gamma .09 -.135 -.036 -.017 iAPF -.177 -.101 -.266 Rows defined by cerebral lobes, each divided by frequency bands, total spectrum (4-70 Hz), theta (4-8 Hz), alpha (8-13 Hz), beta (13-30 Hz), gamma (30-70 Hz). Correlation coefficient r values, moderate and strong correlations in bold.