AgentZero++: Modeling Fear-Based Behavior

• URL: http://arxiv.org/abs/2510.05185v1
• Date: Sun, 05 Oct 2025 22:33:56 GMT
• Title: AgentZero++: Modeling Fear-Based Behavior
• Authors: Vrinda Malhotra, Jiaman Li, Nandini Pisupati,
• Abstract summary: We present AgentZero++, an agent-based model that integrates cognitive, emotional, and social mechanisms to simulate collective violence.<n>Building on Epstein's Agent_Zero framework, we extend the original model with eight behavioral enhancements.<n>These additions allow agents to adapt based on internal states, previous experiences, and social feedback.
• Score: 4.783433971864009
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present AgentZero++, an agent-based model that integrates cognitive, emotional, and social mechanisms to simulate decentralized collective violence in spatially distributed systems. Building on Epstein's Agent\_Zero framework, we extend the original model with eight behavioral enhancements: age-based impulse control; memory-based risk estimation; affect-cognition coupling; endogenous destructive radius; fight-or-flight dynamics; affective homophily; retaliatory damage; and multi-agent coordination. These additions allow agents to adapt based on internal states, previous experiences, and social feedback, producing emergent dynamics such as protest asymmetries, escalation cycles, and localized retaliation. Implemented in Python using the Mesa ABM framework, AgentZero++ enables modular experimentation and visualization of how micro-level cognitive heterogeneity shapes macro-level conflict patterns. Our results highlight how small variations in memory, reactivity, and affective alignment can amplify or dampen unrest through feedback loops. By explicitly modeling emotional thresholds, identity-driven behavior, and adaptive networks, this work contributes a flexible and extensible platform for analyzing affective contagion and psychologically grounded collective action.

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