Table 3.

Bivariate correlations (rs) between age and normalized brain volumes for the low and high exercise engagement groups

Brain Structure	Low Exercise Engagement Group	High Exercise Engagement Group
Global Volumes
Cerebral Gray Matter	−.69***	−.43*
Cerebral White Matter	−.69***	−.60***
Regional Cortical Volumes
Dorsal/Ventral Lateral Prefrontal Cortex	−.43*	−.47**
Superior Frontal Cortex	−.59**	−.38*
Lateral Parietal Cortex	−.56**	−.61***
Superior Temporal Cortex	−.66**	−.50**
Pericalcarine Cortex	−.09	−.32
Regional Subcortical Volumes
Medial Temporal Lobe	−.65***	−.24
Hippocampus	−.64***	−.52**
Amygdala	−.62***	−.21
Parahippocampus	−.35	.14
Neostriatal Nuclei	−.52**	−.27

^*Note: p ≤ .05;

^**p ≤ .01;

^***p ≤ .001