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Perseveration, in the fields of psychology, psychiatry, and speech–language pathology, is the repetition of a particular response (such as a word, phrase, or gesture) regardless of the absence or cessation of a stimulus.
The sentence can be given as a grammatical puzzle [7] [8] [9] or an item on a test, [1] [2] for which one must find the proper punctuation to give it meaning. Hans Reichenbach used a similar sentence ("John where Jack had...") in his 1947 book Elements of Symbolic Logic as an exercise for the reader, to illustrate the different levels of language, namely object language and metalanguage.
Sortal is a concept used by some philosophers in discussing issues of identity, persistence, and change. Sortal terms are considered a species of general term that are classified within the grammatical category of common or count nouns or count noun phrases. [1]
Persistence(PS) is a key personality trait identified by psychiatrist C. Robert Cloninger in his Psychobiological Model of Personality. [1] It describes an individual's propensity to remain motivated, resilient and goal-driven in the face of challenges and difficulties they may encounter whilst carrying out tasks and working towards goals.
A high level of motivational persistence manifests itself in a sustained dedication over time. [47] The motivational persistence in relation to the chosen goal contrasts with flexibility on the level of the means: individuals may adjust their approach and try different strategies on the level of the means to reach a pursued end.
The term "persistent" was first introduced by Atkinson and Morrison [1] in the sense of orthogonal persistence: they used an adjective rather than a verb to emphasize persistence as a property of the data, as distinct from an imperative action performed by a program. The use of the transitive verb "persist" (describing an action performed by a ...
Persistence of vision is the optical illusion that occurs when the visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye. [1] The illusion has also been described as "retinal persistence", [2] "persistence of impressions", [3] simply "persistence" and other variations ...
Perdurantism or perdurance theory is a philosophical theory of persistence and identity. [1] The debate over persistence currently involves three competing theories—one three-dimensionalist theory called "endurantism" and two four-dimensionalist theories called "perdurantism" and "exdurantism".