Delusional evidence-responsiveness

A New Perspective on Delusional States – Evidence for Claustrum Involvement

Delusions are a hallmark positive symptom of schizophrenia, although they are also associated with a wide variety of other psychiatric and neurological disorders. The heterogeneity of clinical presentation and underlying disease, along with a lack of experimental animal models, make delusions exceptionally difficult to study in isolation, either in schizophrenia or other diseases. To date, no d...

Impaired integration of disambiguating evidence in delusional schizophrenia patients.

BACKGROUND It has been previously demonstrated that a cognitive bias against disconfirmatory evidence (BADE) is associated with delusions. However, small samples of delusional patients, reliance on difference scores and choice of comparison groups may have hampered the reliability of these results. In the present study we aimed to improve on this methodology with a recent version of the BADE ta...

Delusional parasitosis.

Skin-related delusional diseases with unspecific status and/or status without dermatological findings, among others ‘dermatological delusion’, are categorized as ‘delusional disorders’ (ICD-10: F 22.0; DSM-IV 297.1). A delusional disorder is diagnosed when (according to DSM-IV) the following criteria are fulfilled: A. Non-bizarre delusions (i.e. regarding situations not out of the realm of poss...

Delusional Inference_McKay

Delusional Pregnancy

Sir, The emergence of delusions of pregnancy and its variants in various neuropsychiatric disorders is a fascinating phenomenon. It affects both genders and psychosociocultural factors predominantly determine its expression. Furthermore, its occurrence in biological disorders such as schizophrenia, mood disorders, senile dementia, mental retardation and epileptic psychosis does not confer that ...