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Title: Post-ictal recognition memory predicts laterality of temporal lobe seizure focus: comparison with post-operative data.
Austin Authors: Andrewes, D G;Puce, Aina;Bladin, Peter F 
Affiliation: Department of Neuropsychology, Austin Hospital, Heidelberg, Victoria, Australia
Issue Date: 16-May-1990
Publication information: Neuropsychologia; 28(9): 957-67
Abstract: Standardized verbal and visuo-spatial memory recognition were obtained on 15 patients with unilateral temporal lobe epilepsy (TLE), using a reference group of 43 (12 males, 31 females) subjects with no previous history of neurological disease. Inter-ictal measures on these two tasks failed to differentiate between those patients with left vs right seizure foci. When eight of these patients were tested post-ictally (within 1 hr of seizure), seven showed the expected selective memory impairment when compared to inter-ictal performance. Left TLE patients showed a relative lowering of verbal memory, whereas patients with right TLE showed a relative visuo-spatial memory impairment. A similar result was also found in the patients when a comparison between pre-operative (inter-ictal) and post-operative performance was made, thereby further substantiating the validity of the tasks. This significant association between side of seizure focus and selective impairment of post-ictal memory performance provides evidence of a more direct method of neuropsychological diagnosis in TLE patients prior to surgery.
Gov't Doc #: 1701863
Type: Journal Article
Subjects: Adolescent
Brain Damage, Chronic.physiopathology
Dominance, Cerebral.physiology
Epilepsy, Temporal
Follow-Up Studies
Mental Recall.physiology
Neuropsychological Tests
Pattern Recognition, Visual.physiology
Postoperative Complications.physiopathology
Prospective Studies
Psychomotor Performance.physiology
Appears in Collections:Journal articles

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