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  • Title: Neuronal circuit mediating escape responses in crayfish.
    Author: Zucker RS, Kennedy D, Selverston AI.
    Journal: Science; 1971 Aug 13; 173(3997):645-50. PubMed ID: 4327600.
    Abstract:
    The neuronal circuit underlying rapid abdominal flexion in response to phasic tactile stimulation comprises identified afferents, interneurons of two orders, a decision unit, and several motor neurons. The circuit is organized hierarchically as a " cascade" in which electrical synapses predominate at higher levels. Behavioral habituation results from lability at chemical junctions early in the pathway.
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