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Collective decision-making based on individual discrimination capability in pre-social insects

par Ame, Jean-Marc ;Millor, Jesus ;Halloy, José ;Sempo, Grégory ;Deneubourg, Jean-Louis
Référence Lecture notes in computer science, 4095, page (713-724)
Publication Publié, 2006

Article révisé par les pairs

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Résumé :

Gregarious insects, like cockroaches, aggregate in shelters during their resting period. How do individuals reach a collegial decision? What is the relation between the distributions of the individuals and the parameter values characterizing the population and the environment? With a model based on experimental data, we demonstrated that the collegial decision is based on the relation between the individual resting time in a shelter and the population in this shelter. We extended this model to the case where different sub-groups may interact and where the crowding effect under the shelters influences the aggregation. This second model shows that depending on the interaction between the sub-groups and the crowding effect, different patterns are observed such as segregation of the different sub-group or the aggregation of the whole population.