We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRecognition of posed and spontaneous dynamic smiles in young and older adults.AuthorsMurphy, Nora A.; Lehrfeld, Jonathan M.; Isaacowitz, Derek M.PublicationPsychology and Aging, 2010, Vol 25, Issue 4, p811ISSN0882-7974Publication typearticleDOI10.1037/a0019888