Participants
Twenty-two right-handed study participants (11 male and 11 female), of adult age (mean: 36.1 years, range: 18–62) completed both baseline and postintervention assessments. Eleven participants (50% of the sample) were randomly allocated to receive eight MABT sessions, delivered individually once per week for eight weeks. Twenty participants self-identified as White or European American, one as African American, and two as Hispanic. Their highest education levels were high school (Sample size for the study was determined by simulation-based power analysis. Given the difficulties in a priori registration of all fMRI contrasts, power analysis was conducted to determine minimum sample size for up to 10 focal contrasts while maintaining familywise power ≥0.90; this required a per-test power of Twenty-five healthy individuals with self-reported elevated stress were initially recruited through advertisements in a local newspaper and through the University of Washington research volunteer website and flyers posted on campus. Inclusion criteria were: (1) being over 18 years of age; (2) Perceived Stress Scale (