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- Publisher
- Wiley
- Copyright
- Copyright © 1991 Wiley Subscription Services
- ISSN
- 1050-9631
- eISSN
- 1098-1063
- DOI
- 10.1002/hipo.450010402
- pmid
- 1669314
- Publisher site
- See Article on Publisher Site
Abstract
The viability and general electrophysiological properties of the limbic system in the adult mammalian brain isolated and maintained in vitro by arterial perfusion are described. The isolated brain preparation combines the advantages of intact synaptic connectivity and accessibility of different areas of the encephalic mass with those of the in vitro approach, i.e., stability and control of the ionic environment. Extracellular field potential as well as intracellular recordings were performed at different levels in the limbic system of isolated adult guinea pig brains. The results demonstrate that in the piriform, entorhinal, and hippocampal cortices, the intrinsic electrical properties of individual cells as well as the spontaneous and evoked electrical activity in the neuronal ensembles they comprise, were virtually identical to those observed in vivo. The properties of the limbic system loop were determined.
Journal
Hippocampus – Wiley
Published: Jan 1, 1991
Keywords: ; ; ; ;