Participants
neurological or psychiatric disorders
Participants were enrolled between November 24, 2016, and March 5, 2018. All participants were recruited from the general population, aged 65 years or older, native French speakers, retired for at least 1 year, received at least 7 years of education, had no evidence of major neurological or psychiatric disorders, and performed within normal ranges on standardized cognitive tests. Exclusion criteria included present or past regular or intensive meditation practice and speaking fluent English. Participants underwent a medical interview with a physician and completed a diagnostic test battery to verify criteria. eTables 1 and 2 in 