D. Deffner

Visual social information use in collective foraging

This study presents an agent-based model to explore how individual decision-making based on personal and social information influences collective foraging outcomes in different environments.

Adaptive mechanisms of social and asocial learning in immersive collective foraging

This study integrates social and asocial learning mechanisms using a virtual foraging task, finding that individual success, not social factors, drives adaptation in both learning types.

Risk-sensitive learning is a winning strategy for leading an urban invasion

This study shows male great-tailed grackles exhibit risk-sensitive learning, aiding their faster relearning in changing environments, which may contribute to their urban invasion success.

Effective population size for culturally evolving traits

This study derives a formal definition of effective population size for cultural traits and shows how it depends on transmission modes, migration, and social network structure.