title: Diagnostic Criteria for Psychiatric Disorders for Use with Adults with Learning Disabilities/Mental Retardation (DC-LD) and psychiatric phenotypes.
abstract: BACKGROUND
  The concept of behavioural phenotypes is reviewed, with emphasis on the need to research reasons for heterogeneity.
  
  
  RESULTS
  The classification of emotional, behavioural, linguistic and cognitive abnormalities associated with genetic disorders may be improved through the use of the Diagnostic Criteria for Psychiatric Disorders for Use with Adults with Learning Disabilities/Mental Retardation.
  
  
  CONCLUSIONS
  Examples of such abnormalities are discussed, showing how more accurate descriptions can result in improved diagnosis and treatment.
mesh_terms: D039721:Diagnostic and Statistical Manual of Mental Disorders; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D001523:Mental Disorders / Q000235:genetics*; D010641:Phenotype