Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Mauthner cell recording from the senorita Oxyjulis californica
Student Author(s): Kuo, Elo
Faculty Advisor(s): Gilly, William
Pages: 25
Location: Final Papers Biology 175H
Date: June 1989
Keywords: nearshore fishes
Abstract: Extracellular recordings of Mauthner (M-) cell activity was carried out in the senorita wrasse, Oxyjulis californica. Criteria for identifying the Mauthner cell have been satisfied in our experimentation. We observed a C-start tail flip behavior caused by both antidromic and orthodromic stimulation. electrophysiological recordings from the medullary area though to contain the M-cells reveal a short-latency, all-or-nothing spike of large amplitude. Preliminary experiments on the effects of an as yet uncharacterized cone snail toxin on M-cell activity were performed.