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The specific symptoms can vary depending on the cause of the Agnosia . Some sufferers are unable to copy drawings but are able to manipulate objects with good dexterity. Commonly, patients can describe objects in their visual field in great detail, including such aspects as color, texture and shape but are unable to recognize them. Similarly, patients can often describe familiar objects from memory despite their visual problems. Careful analysis of the nature of visual agnosia has led to improved understanding of the brain's role in normal vision. VISUAL AGNOSIA IN POPULAR CULTURE
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