The induction of periodic and chaotic activity in a molluscan neurone |
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Authors: | A V Holden W Winlow P G Haydon |
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Institution: | (1) Department of Physiology, University of Leeds, LS 2 9 JT Leeds, England |
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Abstract: | During prolonged exposure to extracellular 4-aminopyridine (4 AP) the periodic activity of the somatic membrane of an identified molluscan neurone passes from a repetitive regular discharge of >90 mV amplitude action potentials, through double discharges to <50 mV amplitude oscillations. Return to standard saline causes the growth of parabolic amplitude-modulated oscillations that develop, through chaotic amplitude-modulated oscillations, into regular oscillations. These effects are interpreted in terms of the actions of 4 AP on the dynamics of the membrane excitation equations.Emma and Leslie Reid scholar |
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