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Amnestic Syndrome Caused by Cerebral Infarction in the Right Medial Temporal Lobe―Case Report Nobuko Ota 1 , Shinichiro Maeshima 2,3 , Aiko Osawa 3 , Miho Kawarada 4 , Jun Tanemura 2 1Major in Sensory Science, Graduate School of Health Science and Technology, Kawasaki University of Medical Welfare 2Department of Sensory Science, Kawasaki University of Medical Welfare 3Department of Rehabilitation, Kawasaki Medical School Kawasaki Hospital 4Department of Psychiatry, Kawasaki Medical School Kawasaki Hospital Keyword: amnestic syndrome , attention , cerebral infarction , executive dysfunction , memory pp.991-996
Published Date 2007/9/1
DOI https://doi.org/10.11477/mf.1416100135
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Abstract

 We report here a case of amnestic syndrome with executive dysfunction and attention deficit caused by cerebral infarction in the right temporal lobe was reported. An 80-year-old, right-handed female with complaints of memory impairment, was admitted to our hospital. She had neither motor paresis nor sensory disturbances. She exhibited disorientation, retrograde amnesia, anterograde amnesia, executive dysfunction and attention deficit. Although her immediate recall and remote memory were almost intact, her recent memory was moderately impaired. Both verbal memory and non-verbal memory were impaired. Brain MRI revealed cerebral infarction in the right temporal lobe involving the parahippocampal gyrus, and SPECT demonstrated low perfusion areas in both the cerebral hemispheres involving basal ganglia and the right thalamus. After a 4-month rehabilitation program, her memory impairment improved considerably. We consider that the reason that contributed to these improvement include the fact that her lesion was unilateral and that her executive dysfunction and attention deficit also improved. This finding suggests that memory is related to attention and executive function.

(Received: November 22, 2006, Accepted: April 2, 2007)


Copyright © 2007, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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