Stimulus-induced up states in the dorsal pallium of a weakly electric fish.

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Abstract

We investigated the response of putative novelty-detecting neurons in the pallium of an electric fish to electrosensory and acoustic stimuli. Extracellular and whole cell patch recordings were made from neurons in the dorsal pallial nucleus (DD) of Apteronotus leptorhynchus. DD neurons were typically quiescent and exhibited hyperpolarized resting membrane potentials. Stimulation induced, with a variable long latency, rapid though transient depolarization and spike discharge. The transition between resting and depolarized/spiking states resembled the transition to Up states seen in mammalian telencephalic neurons.

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Journal

Journal ID (iso-abbrev): J. Neurophysiol.

Title: Journal of neurophysiology

Publisher: American Physiological Society

ISSN (Electronic): 1522-1598

ISSN (Print): 0022-3077

Publication date (Electronic): Sep 2015

Volume: 114

Issue: 3

Affiliations

[1 ] Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Ontario, Canada benjaminelliott@gmail.com.

[2 ] Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Ontario, Canada.

Article

Publisher Item ID: jn.00666.2015

DOI: 10.1152/jn.00666.2015

PMC ID: 4588904

PubMed ID: 26245319

SO-VID: 2136694b-3d7e-4c9a-8f67-29338210da10

History

Keywords: dorsal pallium,electrophysiology,up states,weakly electric fish

Data availability:

Keywords: dorsal pallium, electrophysiology, up states, weakly electric fish

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