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  • Title: Impaired drawing from memory in a visual agnosic patient.
    Author: Trojano L, Grossi D.
    Journal: Brain Cogn; 1992 Nov; 20(2):327-44. PubMed ID: 1449762.
    Abstract:
    A case is reported of an associative visual agnosic patient who could not draw from memory objects he could recognize, even though he could copy drawings flawlessly. His ability to generate mental visual images was found to be spared, as was his ability to operate upon mental images. These data suggest that the patient could generate mental images but could not draw from memory because he did not have access to stored knowledge about pictorial attributes of objects. A similar functional impairment can be found in some other visual agnosic patients and in patients affected by optic aphasia. The present case allows a discussion of relationships among drawing from memory, imagery, and copying procedures.
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