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SUMMARY:Coordinated motion in insect societies - Helder  Hugo (Université
  de Fribourg)
DTSTART:20231110T103000Z
DTEND:20231110T110000Z
UID:TALK203272@talks.cam.ac.uk
DESCRIPTION:When performing essential collective tasks\, such as foraging\
 , social insect societies can easily coordinate their movement and facilit
 ate navigation through complex environments. In social insects\, colonies 
 manage to efficiently move from place to place by establishing a series of
  interconnected self-organized pathways. However\, while the chemistry beh
 ind the emergence of such &lsquo\;roads&rsquo\; has been well described\, 
 little is known about behavioural mechanisms modulating not only the emerg
 ence but also the maintenance of such collective patterns. In this researc
 h\, we developed an empirical framework to investigate the underlying mech
 anisms of coordinated collective motion in social insects. To test whether
  complex societies exhibit fixed or adaptive movement rules\, we focus on 
 two intrinsic measurable parameters of group structure: group size and gro
 up composition. Combining high-resolution videos and computer-vision techn
 iques\, we map individual trajectories and extract the number of encounter
 s and interactions between individuals in a group. Our results provide evi
 dence that colonies may switch between behavioural states and suggest that
  spatiotemporal dynamics in group structure have a significant impact on i
 ndividual behaviour\, and consequently\, on collective outcomes. The trans
 itional behaviour and multi-stability we observe reinforces the view of so
 cial insects as excellent models for studying mechanisms of collective beh
 aviour.
LOCATION:Seminar Room 1\, Newton Institute
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