38 lines
707 B
Modula-2
38 lines
707 B
Modula-2
:Comment : L6
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: Dynamics that track inside calcium concentration
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: modified from Destexhe et al. 1994
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NEURON {
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SUFFIX CaDynamics_E2
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USEION ca READ ica WRITE cai
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RANGE decay, gamma, minCai, depth
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}
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UNITS {
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(mV) = (millivolt)
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(mA) = (milliamp)
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FARADAY = (faraday) (coulombs)
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(molar) = (1/liter)
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(mM) = (millimolar)
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(um) = (micron)
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}
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PARAMETER {
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gamma = 0.001734 : percent of free calcium (not buffered)
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decay = 103.091390 (ms) : rate of removal of calcium
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depth = 0.1 (um) : depth of shell
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minCai = 1e-4 (mM)
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}
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ASSIGNED {ica (mA/cm2)}
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STATE {
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cai (mM)
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}
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BREAKPOINT { SOLVE states METHOD cnexp }
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DERIVATIVE states {
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cai' = -(10000)*(ica*gamma/(2*FARADAY*depth)) - (cai - minCai)/decay
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}
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