Return, and attention.
Research on long-term meditators has found measurably thicker cortex in regions associated with attention and interoception, with the difference most pronounced in older participants — suggesting sustained practice may help offset the natural thinning of these regions with age.1
- 1.Lazar et al., "Meditation experience is associated with increased cortical thickness," NeuroReport (2005). pmc.ncbi.nlm.nih.gov