BACKGROUND Misidentification phenomena, including the delusion of 'imposters' named after Joseph Capgras, occur in various major psychiatric and neurological disorders but have rarely been studied systematically in broad samples of modern patients. This study investigated the prevalence and correlated clinical factors of Capgras' phenomenon in a broad sample of patient-subjects with first-lifet...

OBJECTIVE To review studies that investigated theory of mind (ToM) deficits in schizophrenia spectrum disorders. METHOD After a thorough literature search, 71 studies were included in this review. Data regarding the relationship between ToM, and other cognitive skills, symptoms, and the impact of the state of illness were reviewed. RESULTS ToM instruments used in schizophrenia spectrum diso...

Hypochondriasis is one of six somatoform disorders categorized in the DSM-IV. distinguished from other somatic delusional because this disorder associated with experience physical symptoms experienced by sufferer, whereas do not show themselves. Symptoms that arise may be an exaggerated statement symptoms, which will actually exacerbate caused belief patient sick and a worse condition than actu...

We report the case of a patient with insidious onset and slowly progressive cognitive impairment, behavioral symptoms, temporal lobe seizures and delusional thoughts typical of delusional misidentification syndromes. Clinical presentation along with extensive diagnostic work-up revealed limbic encephalitis secondary to diffuse large B-cell lymphoma. The patient underwent immunotherapy with high...

This case report documents a 58-year-old male who presented to the clinic with a 12-month history of a burrowing sensation in his eyelids that he attributed to a parasitic infestation. After being extensively investigated and reviewed by relevant specialties, no evidence of parasitic infestation was found. He was diagnosed with and treated for blepharitis. Psychiatric referral for presumed delu...