Tag

Collective Behavior

All articles tagged with #collective behavior

AI crowds can reach consensus without leaders, study finds
science10 days ago

AI crowds can reach consensus without leaders, study finds

Researchers simulated groups of 10 AI models (from Claude, GPT, and Llama families) with up to 1,000 agents choosing between two options. Even without memory, rewards, or leadership, agents tended to converge on the majority choice, with the pace and group size depending on model capability and a so-called 'majority force' that mirrors a ferromagnet model. The findings suggest large AI collectives could coordinate on tasks without constant human input, but this is not true cooperation and could embed suboptimal norms or be hard to redirect, underscoring the need to study group dynamics alongside individual models.

Ant Bursts Reveal Leaderless Synchronization in Colonies
science14 days ago

Ant Bursts Reveal Leaderless Synchronization in Colonies

Researchers have developed a mathematical model showing that ant colonies can rapidly synchronize bursts of activity without a designated leader once speed, density, and interaction range cross a critical threshold. Ants switch among active, inactive, and refractory states, and bursts arise when social contagion spreads much faster than the overall activity cycle. The work, which aligns with prior views of ants as neural-like networks, emphasizes two key ingredients: sensitivity to a single ant's activity and rapid propagation of that activity. While the model cannot predict exact timing, experiments are underway to validate it and to explore how close real colonies operate to this transition and what bursts mean for information transfer, movement, and energy use.

"The Surprising Connection Between Flocking and Computing"
science2 years ago

"The Surprising Connection Between Flocking and Computing"

Evolutionary ecologist Iain Couzin discusses the collective behaviors of animals, such as flocking and swarming, and their similarities to computation. He explains how studying various organisms, from simple placozoa to complex vertebrates, can provide insights into the origins of intelligence and the emergence of complex life. Couzin also highlights the use of advanced technologies to study animal group dynamics and the potential impact on global food security through improved understanding of swarming pests like locusts.

"Romeo and Juliet: Ancient Termite Love Story Revealed"
science2 years ago

"Romeo and Juliet: Ancient Termite Love Story Revealed"

Biologist Nobuaki Mizumoto and colleague Aleš Buček discovered a rare Baltic amber fossil of two ancient termites engaged in a courtship ritual, providing potential insight into the behavior of ancient insects. The researchers experimentally modeled the fossilization process and found that the termites' entrapment likely occurred gradually, challenging previous assumptions about instantaneous fossilization. While some caution is needed in inferring behavior from fossils, the detailed preservation in amber offers valuable glimpses into ancient animal behavior, shedding light on collective behavior and courtship rituals in termites.

Advancing Animal Behavior Studies through High-Tech Motion Capture
science-and-technology3 years ago

Advancing Animal Behavior Studies through High-Tech Motion Capture

Researchers from the University of Konstanz and the Max Planck Institute of Animal Behavior have developed SMART-BARN, a state-of-the-art facility housed in a converted barn and a gymnasium-sized Imaging Hangar, to study the group behavior of animals. SMART-BARN uses high-throughput techniques like optical and acoustic tracking to monitor animals in 3D, allowing researchers to study behaviors and interactions that were previously difficult to capture. The facility has already been used to study various species, including pigeons, starlings, moths, bats, and humans. SMART-BARN is seen as a game-changer in the field of animal behavior studies, with applications ranging from biology to artificial intelligence.