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Isolated Acalculia Due to Left Parietal Lesion Arch Neurol 51:286-291, Takayama,Y.,et al, 1994 See this aricle in Pubmed Article Abstract Three patients made calculation errors in the process where a number of steps were carried out simultaneously.The patients showed no aphasic components in number operations.They understood the basic processes of calculation.They showed little difficulty in the retrieval of table values.The patients had no impairment in aligning arithmetic problems or in assigning and maintaining place-holding values.They did not show any deficit of immediate memory for calculation problems.Overlapping lesions were located along the left intraparietal sulcus.The area lying along the left intraparietal sulcus is critical for isolated parietal acalculia.The profile of isolated acalculia suggests that it results from the disruption of the working memory for calculation.

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(click to filter results - removes previous filter) acalculia cerebral dominance cerebral infarction cerebrovascular accident MRI MRI,abnormal parietal lobe,lesion of parietal lobe,syndromes of parietal lobe,tests of

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