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Extreme metaphysical nihilism, also sometimes called ontological nihilism, is the position that nothing actually exists at all. [125] [126] The American Heritage Medical Dictionary defines one form of nihilism as "An extreme form of skepticism that denies all existence". [127] A similar skepticism concerning the concrete world can be found in ...
Cotard's syndrome withdraws the person with the condition from other people due to neglect of their personal hygiene and physical health. Delusions of negation of self prevent the patient from making sense of external reality, which then produces a distorted view of the external world. Such delusions of negation are usually found in ...
A delusion [a] is a 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.
This glossary covers terms found in the psychiatric literature; the word origins are primarily Greek, but there are also Latin, French, German, and English terms. Many of these terms refer to expressions dating from the early days of psychiatry in Europe; some are deprecated, and thus are of historic interest.
The term grandiose delusion overlaps with, but is distinct from, grandiosity. Grandiosity is an attitude of extraordinary self-regard (feelings of superiority, uniqueness, importance or invulnerability), while grandiose delusion concerns specific extraordinary factual beliefs about one's fame, wealth, powers, or religious and historical relevance.
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 ...
In terms of diagnosing a non-bizarre delusion as a delusion, ample support should be provided through fact checking. In case of non-bizarre delusions, Psych Central [ 22 ] [ better source needed ] notes, "All of these situations could be true or possible, but the person suffering from this disorder knows them not to be (e.g., through fact ...
Ideas of reference and delusions of reference describe the phenomenon of an individual experiencing innocuous events or mere coincidences [1] and believing they have strong personal significance. [2] It is "the notion that everything one perceives in the world relates to one's own destiny", usually in a negative and hostile manner.