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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 ...
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.
Despite Turgenev's own anti-nihilistic leanings, many of his readers likewise took up the name of nihilist, thus ascribing the Russian nihilist movement its name. [31] Nihilism was further discussed by German philosopher Friedrich Nietzsche, who used the term to describe the Western world's disintegration of traditional morality. [32]
Delusional misidentification syndrome is an umbrella term, introduced by Christodoulou (in his book The Delusional Misidentification Syndromes, Karger, Basel, 1986) for a group of four delusional disorders that occur in the context of mental and neurological illness.
Therapeutic nihilism slowly faded in the 19th century as systematic reform of the medical education system took place, then reappeared in the 20th century in a slightly different fashion than prior. The aggressive empiricism of the 19th century enlightened the medical society of the need to thoroughly evaluate every aspect of clinical practice.
Existential nihilism is the philosophical theory that life has no objective meaning or purpose. [1] The inherent meaninglessness of life is largely explored in the philosophical school of existentialism , where one can potentially create their own subjective "meaning" or "purpose".