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Organic personality disorder (OPD) or secondary personality change, is a condition described in the ICD-10 and ICD-11 respectively. It is characterized by a significant personality change featuring abnormal behavior due to an underlying traumatic brain injury or another pathophysiological medical condition affecting the brain.
A study from the National Library of Medicine found forms of dementia that affect mental health and behavior — such as Lewy body dementia — may cause paranoia in earlier stages.
Paraphrenia is often associated with a physical change in the brain, such as a tumor, stroke, ventricular enlargement, or neurodegenerative process. [4] Research that reviewed the relationship between organic brain lesions and the development of delusions suggested that "brain lesions which lead to subcortical dysfunction could produce delusions when elaborated by an intact cortex".
A challenge in the treatment of delusional disorders is that most patients have limited insight, and do not acknowledge that there is a problem. [8] Most patients are treated as out-patients, although hospitalization may be required in some cases if there is a risk of harm to self or others. [8]
The ICD has a broader scope than the DSM, covering overall health as well as mental health; chapter 6 of the ICD specifically covers mental, behavioral and neurodevelopmental disorders. Moreover, while the DSM is the most popular diagnostic system for mental disorders in the US, the ICD is used more widely in Europe and other parts of the world ...
A primary care (e.g. general or family physician) version of the mental disorder section of ICD-10 has been developed (ICD-10-PHC) which has also been used quite extensively internationally. [22] A survey of journal articles indexed in various biomedical databases between 1980 and 2005 indicated that 15,743 referred to the DSM and 3,106 to the ICD.
The diagnosis of "ADHD, not otherwise specified" also no longer includes any mention of CDS symptoms. [25] Similarly, ICD-10, the medical diagnostic manual, has no diagnosis code for CDS. Although CDS is not recognized as a disorder at this point, researchers continue to debate its usefulness as a construct and its implications for further ...
Paranoid personality disorder (PPD) is a mental disorder characterized by paranoia, and a pervasive, long-standing suspiciousness and generalized mistrust of others. People with this personality disorder may be hypersensitive, easily insulted, and habitually relate to the world by vigilant scanning of the environment for clues or suggestions that may validate their fears or biases.