Jay Newby newby-jay

This is an animation representing the Morris-Lecar model of a neuron driven by stochastic ion channels. Ion channels open and close randomly through time, and they are visible while open. The fast sodium channels are colored orange, and the slow potassium channels are colored blue.

Effects of moderate noise on a limit cycle oscillator: Counterrotation and bistability (Phys. Rev. Lett., 2014)

	(function () {
	var canvas = document.getElementById("canvas"),
	width = canvas.width = 960,
	height = canvas.height = 500,
	g = canvas.getContext("2d");
	var reactionRadius2 = 2,
	alpha = 0.007, // fraction of A molecules made per step
	gamma = alpha/1.5, // fraction of B molecules that decay per step
	randIC = function (i) {
	return [widthMath.random(), heightMath.random()];

	<style>
	html, body { margin: 0; padding: 0;}
	</style>
	<canvas id="canvas"></canvas>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script>
	var num = 1e4;
	var canvas = document.getElementById("canvas");
	var width = canvas.width = 960;
	var height = canvas.height = 500;

	(function anim () {
	var sigma = 0.4,
	dt = 0.05,
	x = -1,
	t = 0,
	nSamples = 1,
	rn = d3.random.normal(0, sigma*Math.sqrt(dt));
	function evolveSimulation() {
	var i = 0;
	while (i++ < 25) {

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