Mindfulness-based interventions have been found to improve facets of attentional control. However, comparison with active control groups has been scarce, and few studies have examined mindfulness as a means to ameliorate age-related cognitive deficits. This rigorously-designed, placebo-controlled randomized controlled trial, investigated the effects of mindfulness-based attention training (MBAT) on attentional control in older adults relative to an active control group. Seventy-four community-dwelling older adults were randomized to four weeks of MBAT or an active lifestyle eduction control group. Pre- and post-intervention, participants completed two computerized measures of attentional control with intermittent assessments of self-reported mind-wandering. Although we found some evidence for greater reductions in mind-wandering in the MBAT than the active control group, the MBAT group did not exhibit greater improvements in attentional performance. Exploratory analyses revealed working memory as a significant moderator of the observed effects, such that those in the MBAT group with higher working memory showed greater improvement in attentional control. Thus, we found preliminary evidence for attentional benefits following mindfulness training only in individuals with high working memory. Our results call for more rigorous implementation of RCT methodology in future investigations of mindfulness training’s benefits for cognitive functioning in older adults.
Impact of mindfulness training on in-the-moment attentional control and emotion dysregulation in older adults: secondary analysis of a pilot, placebo-controlled randomized controlled trial
