title: Lessons from longitudinal studies for new approaches to the DSM-V: the FFM and FFT.
abstract: After brief comments about each target article, we discuss their significance for the DSM-V, the implications for personality disorders of universal trait developmental trends, and our emerging theoretical model, the Five-Factor Theory, which provides an integrative context for these remarkable findings.
authors.affiliation: Laboratory of Personality and Cognition, National Institute on Aging, NIH, DHHS, USA. costap@mail.nih.gov
authors.forename: Paul T
authors.initials: PT
authors.lastname: Costa
authors.forename: Nicholas S
authors.initials: NS
authors.lastname: Patriciu
authors.forename: Robert R
authors.initials: RR
authors.lastname: McCrae
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000375:Aging / Q000523:psychology; D039721:Diagnostic and Statistical Manual of Mental Disorders; D006801:Humans; D008137:Longitudinal Studies; D010554:Personality Disorders / Q000175:diagnosis*; D012720:Severity of Illness Index