How to use perseverated in a sentence? Find typical usage patterns (collocations)/phrases/context for "perseverated" and check conjugation/comparative form for "perseverated". Mastering all the usages of "perseverated" from sentence examples published by news publications.
"She is still, every day, reliving what happened 40 years ago to her, and when we find her and meet her, it's very evident that her entire life is perseverated about Michael Myers," Curtis added.
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Visual trailing describes an object in motion leaving frozen copies in its wake. These motion-induced afterimages may be discontinuous such as in a film reel or may be blurred together such as in a long-exposure photograph. If discontinuous, the patient also usually reports akinetopsia. The perseverated images last a few seconds and are usually identical in color and shape to the original stimulus.
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Prolonged indistinct afterimages are unformed and occur at the same location in the visual field as the original stimulus. Stimulus intensity, contrast, and fixation length affects the generation and severity of these perseverated images. For example, after seeing a bright light such as a car headlight or a camera flash, a persistent afterimage remains in the visual field for several minutes. Patients often report photophobia, which can restrict their ability to perform outdoor activity.
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A patient commonly complains of the perseverated fingers of an examiner. These afterimages often occur in visual field deficits but may occur anywhere in the visual field, regardless of the location of the original stimulus. The generation of the afterimages is not affected by external conditions such as the length of fixation, stimulus intensity, contrast, or motion. The palinoptic image can appear immediately after seeing the original image or may be delayed in time.
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There are a few cases of palinopsia with many of the same features as hallucinatory palinopsia (formed image perseveration) but with some important differences. The formed perseverated image may only last a couple seconds or may be black or translucent. These variants usually lack the realistic clarity of hallucinatory palinopsia, and the generation of the palinoptic images is affected by fixation time, motion, stimulus intensity, or contrast. These variants probably represent an overlap in hallucinatory and illusory palinopsia but are included in illusory palinopsia since they often co-exist with the other illusory symptoms.
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