visual hallucination

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Related to visual hallucination: schizophrenia
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.visual hallucination - illusory visual perceptionvisual hallucination - illusory visual perception    
hallucination - illusory perception; a common symptom of severe mental disorder
chromatism - hallucinatory perception of colored lights
pink elephants - any visual hallucination arising from heavy drinking
zoopsia - visual hallucination of animals; sometimes occurring in delirium tremens
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References in periodicals archive ?
The most common psychotic symptoms are visual hallucinations, occurring in one-quarter to one-third of all patients with PD.
This syndrome with an estimated prevalence of 0.4% up to 30% in the overall population [41-45] dates back to a Swiss scientist named Charles-Bonnet, who described the occurrence of detailed visual hallucinations including figures, persons, and animals in his visually impaired grandfather, after losing his sight due to a bilateral cataract surgery.
An 89-year-old man with a history of hypertension, dyslipidemia, coronary artery disease, chronic obstructive pulmonary disease, gout, stage 4 chronic kidney disease (creatinine clearance 17 ml/min), venous insufficiency with lower limb edema, liver metastases from colon neoplasia and prostate neoplasia with partial prostatectomy, and no prior history of cognitive impairment was admitted to the emergency of the Centre Hospitalier de l'Universite de Montreal (CHUM) after experiencing visual hallucinations. The patient saw 50 people in his apartment and had gone to his neighbour's house to hide.
Visual hallucinations and persecutory delusions were reported by 13% of users, consistent with literature data estimating the occurrence of paranoia to be between 6% and 15% and hallucinations between 2% and 14% (Green, Kavanagh & Young 2003).
MIAMI BEACH -- Onset time of visual hallucinations can help clinicians distinguish between dementia with Lewy bodies and Alzheimer's disease, according to a study presented at the annual meeting of the American Academy of Neurology.
When the sample was analyzed as a whole, the difference between the frequency of different kinds of hallucinations was highly significant ([chi square] = 51.05; df = 3; p < 0.001); the verbal (auditory) hallucination was found to be the most common (53%) followed by the visual hallucination (41%).
Visual Hallucinations. Visual hallucinations occur in 60 to 70% of DLB patients, usually beginning in the first 2 or 3 years of the disease [18].
In 2011, aged 15, the citizen began showing signs of a particular type of mental illness, which led to him "conversing with himself and showing signs of auditory and visual hallucinations", according to the Public Prosecution.
"She had a good social care package in place but that became unsustainable when she started experiencing visual hallucinations and she thought there were people in her house so was unable to live alone.
She is having visual hallucinations, which are associated with macular degeneration.
LBD, which can lead to what is known as Lewy body dementia as well as Parkinson's disease, is associated with problems with movement, cognition, depression, sleep, and visual hallucinations. This newfound relationship between contact sports and LBD appears to be independent of CTE pathology.

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