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  • Title: Somatotopical organization of the intermediate nucleus of the facial lobe in the channel catfish, Ictalurus punctatus.
    Author: Hayama T, Caprio J.
    Journal: Brain Res; 1990 May 14; 516(1):137-40. PubMed ID: 2364276.
    Abstract:
    Neurons in the intermediate nucleus of the facial lobe (nIF) in the channel catfish that respond to tactile stimulation of oral and/or extra-oral epithelia are somatotopically arranged. Neurons in rostrodorsal portions of the nIF responded to tactile stimulation or deflection of the ipsilateral barbels, whereas neurons arranged in a dorsoventral direction in caudoventral regions of the nIF had receptive fields on the ipsilateral lips and the oral cavity, respectively. Suppression of neuronal activity in response to tactile stimulation of the external skin and/or the oral cavity was indicated for some units. Taste responses were not observed.
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