title: Mathematical models as an aid for improving the validity of descriptive psychiatry.
abstract: Despite available therapies, mental disorders are the predominant chronic diseases of young people. Increasing the validity of descriptive psychiatry is now essential. Mathematical approaches can help characterise clinical phenotypes and aid both causal research and therapeutics in the community and the clinic.
authors.forename: Ian M
authors.initials: IM
authors.lastname: Goodyer
mesh_terms: D035843:Biomedical Research; D003866:Depressive Disorder / Q000175:diagnosis*; D006801:Humans; D008960:Models, Psychological