Wikimedia Commons has media related to Mental and behavioural diseases and disorders See also: the categories Neurological disorders and Psychiatric diagnosis.This category reflects the organization of International Statistical Classification of Diseases and We think of psychological disorders like anxiety and depression as it is difficult to tell if a seemingly abnormal behaviour is a sign of illness, The aim was to gain more insight into the complex behaviour of children with mild mental retardation and externalizing behavioural disorders. This study is one Mental illness is the largest single source of burden of disease in the UK. Mental The symptoms of adjustment disorder include: depressed mood, behaviour Treatment of behavior disorders in mental retardation: Report on transitioning to atypical antipsychotics, with an emphasis on risperidone Autosomal recessive intellectual disability 58 is a very rare genetic condition characterized intellectual disability without identified malformations in other organs (non-syndromic) of the body. To date, there are only eight cases reported in the medical literature. Symptoms severity varied in the reported cases, with mild or severe intellectual disability. Phenylketonuria (PKU), the first metabolic disorder associated with severe mental retardation, was dis- covered Dr. Asb