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Brain Res. 1984 Nov 19;322(1):167-71.

Chronically elevating plasma Mg2+ improves hippocampal frequency potentiation and reversal learning in aged and young rats.

Abstract

One prediction of the hypothesis that the capacity for hippocampal frequency potentiation is relevant to behavioral plasticity is tested in this study, by chronically elevating magnesium in intact aged and young rats. Elevated extracellular Mg2+ specifically improves frequency potentiation in hippocampal slices, and chronic alterations in plasma Mg2+ can increase brain Mg2+ in intact animals. Aged and young rats on a diet that elevated plasma Mg2+ exhibited stronger frequency potentiation under urethane anesthesia, and showed improved maze reversal learning.

PMID:
6097334
[Indexed for MEDLINE]

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