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Grandiose delusions (GDs), also known as delusions of grandeur or expansive delusions, [1] are a subtype of delusion characterized by the extraordinary belief that one is famous, omnipotent, wealthy, or otherwise very powerful or of a high status. Grandiose delusions often have a religious, science fictional, or supernatural theme
Painting by Théodore Géricault portraying an old man with a grandiose delusion of power and military command. Grandiose delusions are common in delusional disorder. Specialty: Psychiatry, clinical psychology Symptoms: Strong false belief(s) despite superior evidence to the contrary: Usual onset: 18–90 years old (mean of about age 40) [2] Types
A delusion [a] is a false fixed belief that is not amenable to change in light of conflicting evidence. [2] As a pathology, it is distinct from a belief based on false or incomplete information, confabulation, dogma, illusion, hallucination, or some other misleading effects of perception, as individuals with those beliefs are able to change or readjust their beliefs upon reviewing the evidence.
A thought disorder (TD) is a disturbance in cognition which affects language, thought and communication. [1] [2] Psychiatric and psychological glossaries in 2015 and 2017 identified thought disorders as encompassing poverty of ideas, paralogia (a reasoning disorder characterized by expression of illogical or delusional thoughts), word salad, and delusions—all disturbances of thought content ...
A delusion is a fixed, false idiosyncratic belief, which does not change even when presented with incontrovertible evidence to the contrary. Delusions are context- and culture-dependent: a belief that inhibits critical functioning and is widely considered delusional in one population may be common (and even adaptive) in another, or in the same ...
Delusional projection: Delusions about external reality, usually of a persecutory nature Denial : Refusal to accept external reality because it is too threatening; arguing against an anxiety-provoking stimulus by stating it does not exist; resolution of emotional conflict and reduction of anxiety by refusing to perceive or consciously ...
Based on symptoms: Differential diagnosis: Bipolar disorder, mania and hypomania, antisocial personality disorder, substance abuse, borderline personality disorder, histrionic personality disorder, [1] grandiose delusions. Treatment: Psychotherapy, pharmaceuticals for comorbid disorders [1] Frequency: 6.2% [3]
The article shows that noisy deviations in the memory-based information processes that convert objective evidence (observations) into subjective estimates (decisions) can produce regressive conservatism, the belief revision (Bayesian conservatism), illusory correlations, illusory superiority (better-than-average effect) and worse-than-average ...