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Behavioural Neurology
Volume 7 (1994), Issue 2, Pages 87-92

Anterograde and Retrograde Amnesia following Bitemporal Infarction

A. Schnider,1,2 M. Regard,1 and T. Landis1

1Department of Neurology, University Hospital, Zürich, Switzerland
2Abt. Für Neuropsychologische Rehabilitation, Inselspital, CH-30to Bern, Switzerland

Received 1 January 1994; Accepted 13 May 1994

Copyright © 1994 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A patient suffered very severe anterograde and retrograde amnesia following infarction of both medial temporal lobes (hippocampus and adjacent cortex) and the left inferior temporo-occipital area. The temporal stem and the amygdala were intact; these structures do not appear to be critical for new learning in humans. Extension of the left-sided infarct into the inferior temporo-occipital lobe, an area critically involved in visual processing, appears to be responsible for our patient's loss of remote memories.