Fregoli delusion is the mistaken belief that some person currently present in the deluded
person's environment (typically a stranger) is a familiar person in disguise. The stranger is …

Background Posttraumatic stress disorder (PTSD) is associated with hyperarousal and
active fight or flight defensive responses. By contrast, the dissociative subtype of PTSD …

Background: Misidentification phenomena, including the delusion of 'imposters' named after
Joseph Capgras, occur in various major psychiatric and neurological disorders but have …

During the past 80 years, delusional misidentification syndromes (DMS), especially the
Fregoli and Capgras syndromes, have posed challenges to mental health professionals due …

A great deal of research in social psychology is motivated by one of two broad goals:(1) to
understand the mental processes involved in how people make sense of the social world;(2) …

Rare and unusual psychiatric syndromes have fascinated people for centuries due to their
complexity and undefined nature. Appreciating their clinical importance and relevance to …

Recent research provides evidence that delusional misidentification syndromes (DMS) are
associated with cognitive deficits. However, the underlying mechanisms of these deficits are …

Introduction In this paper, we present a new way of thinking about what is going on in cases
of Capgras delusion which is a more varied presentation than represented in the literature …

Abstract Background Dementia with Lewy bodies (DLB) is the second most frequent
diagnosis of progressive degenerative dementia in older people. Delusions are common …

Publisher Summary This chapter presents adult neuropsychiatric syndromes that follow
ischemic stroke, as they are more frequent and typified by infarction of defined vascular …