Categorising Visual Hallucinations in Early Parkinson’s Disease
نویسندگان
چکیده
منابع مشابه
Visual hallucinations in eye disease.
PURPOSE OF REVIEW The literature related to visual hallucinations in ophthalmological settings from 2007 to 2008 is presented as a review of recent developments and trends. RECENT FINDINGS Acuity, contrast sensitivity, age and sex emerge as significant and consistent risk factors for visual hallucinations, together with new evidence to suggest that up to 40% of patients have long-term halluci...
متن کاملVisual Hallucinations in Eye Disease and Lewy Body Disease.
OBJECTIVES Visual hallucinations (VH) most commonly occur in eye disease (ED), Parkinson disease (PD), and Lewy body dementia (LBD). The phenomenology of VH is likely to carry important information about the brain areas within the visual system generating them. METHODS Data from five controlled cross-sectional VH studies (164 controls, 135 ED, 156 PD, 79 [PDD 48 + DLB 31] LBD) were combined a...
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The pathophysiology of visual hallucinations in Parkinson's disease has yet to be characterized. Although stimulus-driven ("bottom-up") processes are known to be impaired, the role of "top-down" processes remains to be determined. Distinguishing between conscious and non-conscious detections (i.e. access to consciousness) may be a valuable way of monitoring top-down processes. Conscious access ...
متن کاملVisual hallucinations in Parkinson’s disease: their nature, frequency, and origins
The question mark in the heading of this series is deliberate. The most confidently applied diagnoses used for neurological disease are perhaps those in which a reasonably stereotypical clinical presentation has a known pathological substrate, in turn the consequence of a specific biochemical or enzymatic dysfunction. McArdle’s disease springs to mind as one such example, although even there so...
متن کاملVisual hallucinations of the self in organic disease.
There are few references to autoscopy in medical literature, and almost all recorded cases are to be found in Continental journals. Most frequently it has been noted in epileptics (Genner, 1947; and Lhermitte, 1951a, b). Sivadon (1937) describes the case of a doctor suLffering from influenza who saw himself on his way to hospital; and Skvortzoff (1931) records similar visual aberrations in pati...
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ژورنال
عنوان ژورنال: Journal of Parkinson's Disease
سال: 2018
ISSN: 1877-7171,1877-718X
DOI: 10.3233/jpd-181338