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Motor control of buccal muscles in Aplysia.
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The command neuron concept
The notion of the command cell has been highly influential in invertebrate neurobiology, and related notions have been increasingly used in research on the vertebrate nervous system. The termExpand
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Identification and characterization of cerebral-to-buccal interneurons implicated in the control of motor programs associated with feeding in Aplysia.
We identified candidate neurons in the cerebral ganglion that regulate feeding responses mediated by the buccal ganglion. Backfilling the cerebral-buccal connectives revealed that each cerebralExpand
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Dopaminergic neuron B20 generates rhythmic neuronal activity in the feeding motor circuitry ofAplysia
We have identified a buccal neuron (B20) that exhibits dopamine-like histofluorescence and that can drive a rhythmic motor program of the feeding motor circuitry of Aplysia. The cell fires vigorouslyExpand
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Neural Mechanisms of Motor Program Switching inAplysia
The Aplysia multifunctional feeding central pattern generator (CPG) produces at least two types of motor programs, ingestion and egestion, that involve two sets of radula movements,Expand
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Modulatory control of buccal musculature by a serotonergic neuron (metacerebral cell) in Aplysia.
I. We have studied the central and peripheral functions of the metacerebral cell (MCC) ofAplysia. This research concentrated on the role of the MCC in controlling the ARC muscle, which isExpand
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Characterization of the membrane ion currents of a model molluscan muscle, the accessory radula closer muscle of Aplysia california. I. Hyperpolarization-activated currents.
1. The simple neuromuscular circuit consisting of the accessory radula closer (ARC) muscle of the mollus Aplysia californica together with its innervating motor and modulatory neurons has beenExpand
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Release of peptide cotransmitters from a cholinergic motor neuron under physiological conditions.
In previous studies, we demonstrated that B15, one of the two cholinergic motor neurons of the accessory radula closer muscle of Aplysia, synthesizes two peptides, small cardioactive peptides A and BExpand
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Response properties and synaptic connections of mechanoafferent neurons in cerebral ganglion of Aplysia.
1. The cells of two clusters of small neurons on the ventrocaudal surface of each hemicerebral ganglion of Aplysia were found to exhibit action potentials following tactile stimuli applied to theExpand
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The Construction of Movement with Behavior-Specific and Behavior-Independent Modules
Growing evidence suggests that different forms of complex motor acts are constructed through flexible combinations of a small number of modules in interneuronal networks. It remains to beExpand
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