Cognitive visual perceptual deficits in patients with delirium
نویسندگان
چکیده
منابع مشابه
Cognitive Visual Perceptual Deficits in Delirium
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Schizophrenia is a complex and severe mental disorder that affects about 1% of the population, clinically characterized by positive, negative, and disorganized symptoms. It is widely accepted that a combination of genetic and environmental factors lead to the onset of schizophrenia. The past two decades have witnessed the increasingly important role of cognitive deficits in schizophrenia, such ...
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The capability of improving performance on visual tasks with practice has been a matter of intense investigation during the last 40 years (Fiorentini and Berardi, 1980; Sagi, 2011). This phenomenon, called perceptual learning, has been proven to occur with virtually any visual skill or stimulus characteristic (Fahle and Poggio, 2002), and to be long-lasting, thus involving neural plasticity at ...
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BACKGROUND Inattention is a core clinical feature of delirium and yet the particular aspects of attentional impairment associated with this feature are poorly understood. Objective methods for assessing inattention are also lacking. A new set of computerised tests of attentional deficits designed for use in patients with delirium have been developed. Test performances in patients with delirium,...
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It has been proposed that a characteristic of schizophrenic processing is an abnormality of top-down processing. The relationship between impaired top-down processing and symptoms of reality distortion was investigated using a 'degraded interference' task. In this task, fragmented stimuli (Stroop words, control words and crosses) are presented on a computer screen, and the extent to which they ...
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ژورنال
عنوان ژورنال: Journal of Neurology, Neurosurgery & Psychiatry
سال: 2009
ISSN: 0022-3050
DOI: 10.1136/jnnp.2008.169078