From Flocs to Flocks

Algar, Shannon D.; Stemler, Thomas; Small, Michael

doi:10.1007/978-3-319-78512-7_9

Cited by 2 publications

(3 citation statements)

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“…Switching out of the collective-motion-state occurs over a longer timescale—significantly longer than the typical timescale of normal fluctuations around the swarm typical dynamics. Hence, stochastic fluctuations, typical to swarming behavior ( Algar et al., 2019 ; Ariel and Ayali, 2015 ; Escaff et al., 2018 ), are “smoothed-out,” leading to highly robust dynamics of the swarm collective behavior, which is in turn beneficial for the swarm integrity.…”

Section: Introductionmentioning

confidence: 99%

Collective motion as a distinct behavioral state of the individual

et al. 2021

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Summary The collective motion of swarms depends on adaptations at the individual level. We explored these and their effects on swarm formation and maintenance in locusts. The walking kinematics of individual insects were monitored under laboratory settings, before, as well as during collective motion in a group, and again after separation from the group. It was found that taking part in collective motion induced in the individual unique behavioral kinematics, suggesting the existence of a distinct behavioral mode that we term a “collective-motion-state.” This state, characterized by behavioral adaptation to the social context, is long lasting, not induced by crowding per se, but only by experiencing collective motion. Utilizing computational models, we show that this adaptability increases the robustness of the swarm. Overall, our findings suggest that collective motion is not only an emergent property of the group but also depends on a behavioral mode, rooted in endogenous mechanisms of the individual.

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Section: Introductionmentioning

confidence: 99%

Collective motion as a distinct behavioral state of the individual

et al. 2021

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“…Collectively moving organisms, however, differ in the levels of peer-to-peer interactions, ranging from minimal cooperation to complex social behaviors 5,6 . Analysis of both experiments and theoretical modeling of collective motion suggests a highly stochastic (or chaotic) movement pattern, which makes the trajectory of individuals difficult to predict in practice [7][8][9] . Furthermore, endogenous variability among individuals, heterogenic environments, and variability in the interactions between the individual and its direct environment, are all sources of randomness that may affect the coordinated behavior of the collective.…”

Section: Introductionmentioning

confidence: 99%

“…Switching out of the collective-motion-state occurs over a longer time scale – significantly longer than the typical time scale of normal fluctuations around the swarm typical dynamics. Hence, stochastic fluctuations, typical to swarming behaviour (Algar et al, 2019; Ariel and Ayali, 2015; Escaff et al, 2018) are “smoothed-out”, leading to highly robust dynamics of the swarm collective behaviour, which is in turn beneficial for the swarm integrity.…”

Section: Introductionmentioning

confidence: 99%

Collective motion as a distinct behavioural state of the individual

Knebel

Sha-ked

Agmon

et al. 2020

Preprint

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AbstractCollective motion is an important biological phenomenon, ubiquitous among different organisms. Locusts are a quintessential example of collective motion: while displaying a minimal level of cooperation between individuals, swarms of millions are highly robust and persistent. Using desert locusts in a series of carefully controlled laboratory experiments, we show that locust coordinated marching induces a distinct behavioral mode in the individual that we term a “collective-motion-state”. Importantly, this state is not induced by aggregation or crowding per-se, but only following collective motion. It is manifested in specific walking behavior kinematics and has a lasting effect. Simulations confirm that the collective-motion-state provides an individual-based mechanism, which increases the robustness and stability of swarms in the presence of fluctuations. Overall, our findings suggest that collective-motion is more than an emergent property of the group, but a specific behavioral mode that is rooted in endogenous biological mechanisms of the individual.

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From Flocs to Flocks

Cited by 2 publications

References 77 publications

Collective motion as a distinct behavioral state of the individual

Collective motion as a distinct behavioral state of the individual

Collective motion as a distinct behavioural state of the individual

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