title: Crystallized intelligence versus fluid intelligence.
authors.affiliation: Department of Psychiatry, Wright State University School of Medicine, Dayton, OH 45401, USA.
authors.forename: Jerald
authors.initials: J
authors.lastname: Kay
mesh_terms: D000223:Adaptation, Psychological; D000368:Aged; D000375:Aging / Q000523:psychology*; D003674:Defense Mechanisms; D004185:Disability Evaluation; D006801:Humans; D007360:Intelligence; D008875:Middle Aged; D010817:Physician-Patient Relations; D011613:Psychotherapy; D011936:Reality Testing; D012559:Schizophrenia / Q000534:rehabilitation*; D012565:Schizophrenic Psychology; D012803:Sick Role