Encyclopedia of Gerontology and Population Aging

Living Edition
| Editors: Danan Gu, Matthew E. Dupre

Acceptance and Commitment Therapy

Living reference work entry
DOI: https://doi.org/10.1007/978-3-319-69892-2_70-1



Acceptance and commitment therapy (ACT) is a model of psychological intervention (See “Psychotherapy”) based on behavioral therapy that applies mindfulness and acceptance processes, together with commitment and behavior change processes, to create psychological flexibility (Hayes et al. 2006). Psychological flexibility refers to patterns of behavior that implies the ability to fully contact the present moment and the inner experiences that are occurring without defenses and, according to the context, persisting or changing in the pursuit of goals or personal values (Hayes et al. 2006).

ACT embraces a functional contextual philosophy of science based on the basic theory of language and cognition, is linked to the applied theory of psychopathology and psychological change (Hayes 2004), is theoretically rooted in the relational frame theory (Twohig 2012), and is one of the most representative...

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Authors and Affiliations

  1. 1.Health Sciences DivisionUniversidad de Guadalajara CUTONALAGuadalajaraMexico
  2. 2.ISPA – Instituto UniversitárioWilliam James Center for ResearchLisbonPortugal
  3. 3.Public Health DepartmentUniversidad de Guadalajara CUCSGuadalajaraMexico

Section editors and affiliations

  • Sofia von Humboldt
    • 1
  1. 1.ISPA-Instituto UniversitárioWilliam James Center for ResearchLisbonPortugal