نتایج جستجو برای: elementary visual hallucinations

تعداد نتایج: 412257  

Journal: :Journal of neurology, neurosurgery, and psychiatry 2017
Dominic H Ffytche Joana B Pereira Clive Ballard K Ray Chaudhuri Daniel Weintraub Dag Aarsland

BACKGROUND Parkinson's Disease (PD) psychosis refers to the spectrum of illusions, formed hallucinations and delusions that occur in PD. Visual hallucinations and illusions are thought to be caused by specific cognitive and higher visual function deficits and patients who develop such symptoms early in the disease course have greater rates of cognitive decline and progression to dementia. To da...

Journal: :CJEM 1999
A G Bishop J M Tallon

A 37-year-old man with type I diabetes mellitus and chronic renal failure presented to the emergency department complaining of hallucinations. He was 5 days postoperative for left pars plana vitrectomy and intra-ocular lens implantation and had been taking ophthalmic atropine, tobramycin and prednisolone. He had presented 5 months earlier, on the same ophthalmic medications, with postoperative ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2013
Michael Kometer André Schmidt Lutz Jäncke Franz X Vollenweider

Visual illusions and hallucinations are hallmarks of serotonergic hallucinogen-induced altered states of consciousness. Although the serotonergic hallucinogen psilocybin activates multiple serotonin (5-HT) receptors, recent evidence suggests that activation of 5-HT2A receptors may lead to the formation of visual hallucinations by increasing cortical excitability and altering visual-evoked corti...

Journal: :International psychogeriatrics 2011
V M Aziz M Asaad

prevalence, phenomenology and risk factors. Brain, 123, 733–745. doi:10.1093/brain/ 123.4.733. McKeith, I. G. et al. (2005). Diagnosis and management of dementia with Lewy bodies. Third Report of the DLB Consortium. Neurology, 65, 1863–1872. doi:10.1212/01.wnl.0000187889.17253.b1. Menon, G. J. (2005). Complex visual hallucinations in the visually impaired: a structured history-taking approach. ...

Journal: :European Psychiatry 2023

Introduction Parkinson’s disease (PD) is a neurodegenerative disorder characterized by motor and nonmotor symptoms, the latter contributing significantly to morbidity, mortality, nursing home placement quality of life. Objectives We present literature review about impact psychosis on PD’s prognosis. Methods A performed PUBMED, using next keywords: "Parkinson’s disease”, “psychosis” “prognosis”....

ژورنال: رویش روانشناسی 2018

The purpose of this study was to investigate the development of two variables of memory and visual perception. For this purpose, 129 pre-primary, elementary and 3rd grade elementary school students were selected by available sampling method. The female students in this study were 69 and the male students were 60. The development of perceptual and visual memory of these students was measured usi...

Journal: :Schizophrenia bulletin 2014
Flavie Waters Angela Woods Charles Fernyhough

This article presents a report on the 2nd meeting of the International Consortium on Hallucination Research, held on September 12th and 13th 2013 at Durham University, UK. Twelve working groups involving specialists in each area presented their findings and sought to summarize the available knowledge, inconsistencies in the field, and ways to progress. The 12 working groups reported on the foll...

1998
Rimona S. Weil Anette E. Schrag Jason D. Warren Sebastian J. Crutch Andrew J. Lees Huw R. Morris

Patients with Parkinson's disease have a number of specific visual disturbances. These include changes in colour vision and contrast sensitivity and difficulties with complex visual tasks such as mental rotation and emotion recognition. We review changes in visual function at each stage of visual processing from retinal deficits, including contrast sensitivity and colour vision deficits to high...

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