Command neurons in pleurobranchaea receive synaptic feedback from the motor network they excite

Rhanor Gillette, Mark P. Kovac, William J. Davis

Research output: Contribution to journalArticle

Abstract

Command neurons that cause rhythmic feeding behavior in the marine mollusc Pleurobranchaea californica have been identified in the cerebropleural ganglion (brain). Intracellular stimulation of single command neurons in isolated nervous systems, semi-intact preparations, and restrained whole animals causes the same rhythmic motor output pattern as occurs during feeding. During this motor output pattern, action potentials recorded intracellularly from the command neurons occur in cyclic bursts that are phase-locked with the feeding rhythm. This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network. Central feedback to command neurons from the motor network they excite provides a possible general physiological mechanism for the sustained oscillation of neural networks controlling cyclic behavior.

Original languageEnglish (US)
Pages (from-to)798-801
Number of pages4
JournalScience
Volume199
Issue number4330
DOIs
StatePublished - Jan 1 1978
Externally publishedYes

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Pleurobranchaea
Neurons
Inhibitory Postsynaptic Potentials
Mollusca
Excitatory Postsynaptic Potentials
Motor Neurons
Feeding Behavior
Ganglia
Nervous System
Action Potentials
Brain

ASJC Scopus subject areas

  • General

Cite this

Command neurons in pleurobranchaea receive synaptic feedback from the motor network they excite. / Gillette, Rhanor; Kovac, Mark P.; Davis, William J.

In: Science, Vol. 199, No. 4330, 01.01.1978, p. 798-801.

Research output: Contribution to journalArticle

Gillette, Rhanor ; Kovac, Mark P. ; Davis, William J. / Command neurons in pleurobranchaea receive synaptic feedback from the motor network they excite. In: Science. 1978 ; Vol. 199, No. 4330. pp. 798-801.
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