Search Results - "Jeanson, R."

Colony structure, ecological correlates and nestmate recognition in the ant Odontomachus hastatus: a comparative study between populations with different social organisations by Bottcher, C., Berthelot, K., Bernadou, A., Orivel, J., Fourcassié, V., Oliveira, P. S., Jeanson, R.

“…An important question in evolutionary biology is to identify the mechanisms that control the number of reproductives in social groups. Ants are appropriate…”
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Conspecific Attraction and Shelter Selection in Gregarious Insects by Jeanson, Raphaël, Deneubourg, Jean‐Louis

“…During habitat selection, the presence of conspecifics can frequently drive a nonuniform distribution of animals across habitats of equivalent quality. In…”
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Emergence of division of labour in halictine bees: contributions of social interactions and behavioural variance by Jeanson, Raphaël, Kukuk, Penelope F., Fewell, Jennifer H.

“…A central question in the study of insect societies concerns the emergence of division of labour. Among the different models of division of labour, the…”
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Determine the patient's position towards psychiatric care: a simple tool to estimate the alliance and the motivation by Versaevel, C, Samama, D, Jeanson, R, Lajugie, C, Dufeutrel, L, Defromont, L, Lebouteiller, V, Danel, T, Duhamel, A, Genin, M, Salleron, J, Cottencin, O

“…For the brief systemic therapy (BST), the evaluation of the patient's position towards the care is a prerequisite to psychotherapy. Three positions of the…”
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Colony structure, ecological correlates and nestmate recognition in the ant Odontomachus hastatus: a comparative study between populations with different social organisations by Bottcher, C., Berthelot, K., Bernadou, Abel, Orivel, J., Fourcassié, V., Oliveira, P., Jeanson, R.

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Self-organized aggregation in cockroaches by Jeanson, Raphael, Rivault, Colette, Deneubourg, Jean-Louis, Blanco, Stephane, Fournier, Richard, Jost, Christian, Theraulaz, Guy

“…Aggregation is widespread in invertebrate societies and can appear in response to environmental heterogeneities or by attraction between individuals. We…”
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A model of animal movements in a bounded space by Jeanson, Raphaël, Blanco, Stéphane, Fournier, Richard, Deneubourg, Jean-Louis, Fourcassié, Vincent, Theraulaz, Guy

“…Most studies describing animal movements have been developed in the framework of population dispersion or population dynamics, and have mainly focused on…”
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Évaluation d'une action pédagogique dans le cadre de la psychiatrie de liaison by VERSAEVEL, C, COTTENCIN, O, DUFEUTREL, L, LAJUGIE, C, JEANSON, R

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Self-amplification as a source of interindividual variability: Shelter selection in cockroaches by Canonge, Stéphane, Sempo, Gregory, Jeanson, Raphael, Detrain, Claire, Deneubourg, Jean Louis

“…Although group effect and collective decisions have been described in many insect species, the behavioral mechanisms involved in the process remain poorly…”
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Discrete dragline attachment induces aggregation in spiderlings of a solitary species by Jeanson, Raphael, Deneubourg, Jean-Louis, Theraulaz, Guy

“…In the early stages of their life, solitary spiders undergo a transient gregarious phase. We designed a series of experiments in which collective displacements…”
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Division of labour and socially induced changes in response thresholds in associations of solitary halictine bees by Jeanson, Raphaël, Clark, Rebecca M., Holbrook, C. Tate, Bertram, Susan M., Fewell, Jennifer H., Kukuk, Penelope F.

“…Division of labour is a recurrent property of social groups. Among the different models proposed to explain the origin of division of labour,…”
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Modulation of individual behavior and collective decision-making during aggregation site selection by the ant Messor barbarus by Jeanson, Raphaël, Deneubourg, Jean-Louis, Grimal, Anne, Theraulaz, Guy

“…Insect societies are often confronted with choices among several options such as food sources of different richness or potential nest sites with different…”
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Emergence of division of labor as a function of group size by Jeanson, R., Fewell, J.H., Gorelick, R., Bertram, S.

“…Empirical evidence suggests that division of labor in insect societies is positively related to group size both within and across taxa. Response threshold…”
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Collective decision-making by a group of cockroach-like robots by Garnier, S., Jost, C., Jeanson, R., Gautrais, J., Asadpour, M., Caprari, G., Theraulaz, G.

“…In group-living animals, aggregation favours interactions as well as information exchanges between individuals, and allows thus the emergence of complex…”
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Temporal pattern in consumption of the first drink of the day in alcohol-dependent persons by Danel, Thierry, Jeanson, Robert, Touitou, Yvan

“…Loss of control over drinking and the craving for alcohol are cardinal signs of alcohol dependence. Our clinical practice indicates that these cravings do not…”
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Pheromone trail decay rates on different substrates in the Pharaoh's ant, Monomorium pharaonis by Jeanson, R, Ratnieks, F.L.W, Deneubourg, J.L

“…  Many ants use pheromone trails to organize collective foraging. This study investigated the rate at which a well‐established Pharaoh's ant, Monomorium…”
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Évaluation d'une action pédagogique dans le cadre de la psychiatrie de liaison by Versaevel, C., Cottencin, O., Dufeutrel, L., Lajugie, C., Jeanson, R.

“…Le psychiatre de liaison constate des carences en ce qui concerne les soins psychiatriques et psychologiques. Il rencontre également des difficultés…”
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Cette Algérie, conquise et pacifiée by JEANSON, FRANCIS

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