Schematic showing the functional connectivity between the sensory cortices and the prefrontal cortices. Color lines indicate age differences in PLVs between the nodes. Solid lines indicate stronger PLV in older than young adults. Dashed lines indicate weaker PLV in older than in young adults. AC, Auditory cortex; VC, visual cortex; SC, somatosensory cortex; TAR, temporal anterior right; PL, parietal left; PM, parietal midline; PR, parietal right; CM, central midline; FL, frontal left; FM, frontal midline; FR, frontal right; FpM, fronto-polar midline.