Memory Dysfunction Following Unilateral Transection of the Fornix: A Hippocampal Disconnection Syndrome

This study presents a case with a discrete nondischarging lesion of the left fornix that resulted in a marked anterograde memory deficit that was defined by the same material, modality and methodologically specific features characteristic of unilateral lesions of the hippocampus. Since the fornix is...

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Bibliographic Details
Published inCortex Vol. 24; no. 3; pp. 465 - 472
Main Authors Tucker, David M., Roeltgen, David P., Tully, Richard, Hartmann, Joel, Boxell, Cristopher
Format Journal Article
LanguageEnglish
Published Milano Elsevier Ltd 01.09.1988
Masson
Subjects
Adult
Astrocytoma - diagnosis
Astrocytoma - surgery
Biological and medical sciences
Brain Neoplasms - diagnosis
Brain Neoplasms - surgery
Female
Hippocampus - surgery
Humans
Magnetic Resonance Imaging
Medical sciences
Memory Disorders - etiology
Memory Disorders - psychology
Neurology
Neuropsychological Tests
Postoperative Complications
Tumors of the nervous system. Phacomatoses
Human
Postoperative
Intracranial
Memory disorder
Nervous system diseases
Higher nervous function
Psychometrics
Nuclear magnetic resonance imaging
Fornix
Surgery
Tumor
Lesion
Astrocytoma
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Summary:This study presents a case with a discrete nondischarging lesion of the left fornix that resulted in a marked anterograde memory deficit that was defined by the same material, modality and methodologically specific features characteristic of unilateral lesions of the hippocampus. Since the fornix is the major efferent pathway of the hippocampus to the mamillary bodies, septal nuclei and anterior thalamic nuclei, this patient could be considered to have a hippocampal disconnection syndrome.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
content type line 23
ObjectType-Report-1
ObjectType-Article-3
ISSN:0010-9452
1973-8102
DOI:10.1016/S0010-9452(88)80010-8