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"OH WATERS, TEEM WITH MEDICINE TO KEEP MY BODY SAFE FROM HARM, SO THAT I MAY LONG SEE THE SUN." - Rig Veda
They defined a “panic parameter” which induces individualistic behaviour (each
pedestrian tends to find an exit by him/herself) when low, and herding behaviour
(pedestrians tend to follow the crowd) when high. In their two-exit room simulations,
the authors find that a high value of the panic parameter produces jamming at one of the
doors, thus provoking inefficient escape. This tendency, illustrated in Fig 3a of
reference 1 is analogous to our Fig 1c, which shows that their panic parameter is related
to the effect of the repelling substance used in our experiments.
In spite of the huge behavioural differences between humans and ants in normal
, our experiments suggest that some features of the collective behaviour of
both species can be strikingly similar when escaping under panic.