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Startle Response Changes Collective Behavior

Investigate how startle response impacts group formations using autonomous agents obeying interaction rules. Utilizing Levine and Rappel's spatial dynamics model, examine changes in speed and direction due to startle responses, and analyze if stimulus propagation alters formations probabilistically.

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Startle Response Changes Collective Behavior

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  1. Startle Response Changes Collective Behavior Tony Sang, Concordia College Dr. Derek A. Paley, UMD

  2. Collective Behavior • Autonomous agents within a group • Obey simple interaction rules • Lead to coherent group formation

  3. Collective Behavior • Black Jack Mackerel Bait Ball • StarlingMurmuration -http://www.wired.com/wiredscience/2013/03/powers-of-swarms/2/ -http://www.visitsomerset.co.uk/explore-somerset/countryside/starling-murmurations

  4. ModelUsed • Levine and Rappel’s spatial Dynamics • U is an interaction potential that decays exponentially -Herbert Levine and Wouter-Jan Rappel,Phys. Rev. E, VOLUME 63, 017101 (2000)

  5. Formations from Model

  6. Startle Response • Spatial dynamic models are incomplete • Startle/Fright Response -Large Change in Speed and Direction -Only for one time step • Model propagates startle probabilistically

  7. Coupling with Startle

  8. Questions Examined • How does Startle Response Change Formation? • Does the propagation of the stimulus change?

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