Explore Biblio Sources:Biblio Found 2 resultsFilters: Author is Frederickson, B. L. [Clear All Filters]2011Garland E.L, Gaylord S.A, Frederickson B.L. 2011. Positive reappraisal mediates the stress-reductive effects of mindfulness: An upward spiral process. Mindfulness. 2(1):59-67.2010Kok B.E, Frederickson B.L. 2010. Upward Spirals of the Heart: Autonomic Flexibility, as Indexed by Vagal Tone, Reciprocally and Prospectively Predicts Positive Emotions and Social Connectedness.. Biological Psychology. 85(3):432-436.