Journal
EUROPHYSICS LETTERS
Volume 56, Issue 1, Pages 29-35Publisher
EDP SCIENCES S A
DOI: 10.1209/epl/i2001-00483-y
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Voltage-dependent conductance of ion channels is key for the generation of action potentials. Ion channels are opening and closing stochastically due to thermal noise and introduce internal noise into the membrane potential of the cell. The noise power depends on the size of the ion channel cluster that generates the action potential (the hillock). We show that the encoding of small sinusoidal signals in terms of spikes can be enhanced by channel noise if the cluster size is in a certain range.
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