Table 3. Parameters in the simplified model.

Parameter	Description	Default value
N	Number of particles	100
	Probability to turn at	0.06
	Slope of probability to turn with the direction of the crowd as a function of	−0.05
	Slope of probability to turn against the direction of the crowd as a function of	−0.08
	The probability (per time step) to stop (only spontaneously)	0.03
	Minimal turning probability	0.003
	The probability (per time step) to start moving spontaneously	0.004
	The probability (per time step) to start moving due to stimulus	0.05
	Threshold for the stimulus	2
r	Interaction distance	5