On Delusion Formation

Perception, Emotions, and Delusions The Case of the Capgras Delusion: Delusion, Self-Deception, and Affective Influences on Belief Formation

T he study of delusions has important implications for understanding the role played by affective processes on the road from experience to belief. it can also shed light on the forms of modularity these processes manifest. there are at least two different ways in which emotional processes may be relevant to the etiology of delusional beliefs. First, current models of delusion converge in propos...

Jakob Hohwy Top - Down and Bottom - Up in Delusion Formation

SOME DELUSIONS MAY arise as responses to unusual experiences (Davies et al. 2001; Maher 1974;). The implication is that delusion formation in some cases involves some kind of bottom-up mechanism—roughly, from perception to belief. Delusion formation may also involve some kind of top-down mechanism. This could be in the shape of a patient’s flawed background beliefs, or biases, which somehow mod...

Capgras delusion: a window on face recognition.

Capgras delusion is the belief that significant others have been replaced by impostors, robots or aliens. Although it usually occurs within a psychiatric illness, it can also be the result of brain injury or other obviously organic disorder. In contrast to patients with prosopagnosia, who cannot consciously recognize previously familiar faces but display autonomic or covert recognition (measure...

On two kinds of delusion of reference.

Although delusions of reference are one of the most common psychotic symptoms, they have been the focus of little research. The aims of the present research were, first, to determine whether it is possible to identify different kinds of referential delusions reliably and, if so, to investigate associations among them and between these delusions and other positive psychotic symptoms. Participant...

Libido and Delusion