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Consideration of the drive properties of the mammillary bodies solves the “fornix problem”

Published online by Cambridge University Press:  01 June 1999

E. E. Krieckhaus
E. E. Krieckhaus
Affiliation:
Department of Psychology, New York University, New York, NY 10003 krieck@worldnet.att.net
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Abstract

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Fornix problem: Why do lesions of the fornix, which connects the hippocampus (HF) to the medial mammillary nucleus (MMN), often cause no deficits in tasks severely affected by lesions of HF or MMN? Solution: The direct HF feedback to antero ventral (AV) thalamus (MMN ⇒ AV [hArr ] HF), which is blocked by MMN lesions but not fornix lesions, is sufficient for nonscene-relevant consolidation.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 22 , Issue 3 , June 1999 , pp. 456 - 458
Copyright
© 1999 Cambridge University Press