Dissociations between object knowledge and everyday action.

Journal article

We report the case of a patient, MC, with Alzheimer's disease, who showed poor ability to name visually presented objects and poor visual access to the concepts of objects relative to a group of control patients (also with dementia). She performed well when words instead of objects were used in the various tasks. The data suggest that she has impaired access to semantic knowledge from vision. Surprisingly, she performed well when asked to perform everyday tasks with the same objects that had ...

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Authors: Riddoch, M; Humphreys, G; Heslop, J; Castermans, E

• Publication status: Published
• Journal: Neurocase
• Volume: 8
• Issue: 1-2
• Pages: 100-110
• Publication date: 2002-01-01
• DOI: 10.1093/neucas/8.1.100
• EISSN: 1465-3656
• ISSN: 1355-4794
• Language: English
• Keywords: Aged, 80 and over; Activities of Daily Living; Food; Mental Processes; Alzheimer Disease; Humans; Anomia; Aged; Female; Male