Related Experiment Video
Updated: Jun 23, 2026

The (Spatial) Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
Published on: February 19, 2018
Memory versus spatial disorder in the support of cooperation
1Bristol Institute of Technology, University of the West of England, Bristol BS161QY, UK. ramon.alonso@upm.es
This study explores how memory influences cooperation in the iterated prisoner's dilemma game. Introducing historical memory supports cooperation, even with continuous cooperation levels, countering spatial disorder.
Area of Science:
- Game Theory
- Computational Social Science
- Evolutionary Game Theory
Background:
- Conventional spatial iterated prisoner's dilemma models focus solely on the previous round's outcomes.
- Limited memory in these models may not fully capture the dynamics of cooperation and defection.
- Historical memory, incorporating past winnings and moves, offers a richer framework for strategic decision-making.
Purpose of the Study:
- To investigate the impact of historical memory on fostering cooperation in spatial iterated prisoner's dilemma (IPD) games.
- To assess whether memory mechanisms can mitigate spatial disorder and promote cooperative behaviors.
- To analyze cooperation dynamics when players can exhibit continuous degrees of cooperation, moving beyond binary choices.
Main Methods:
- Simulations of the iterated prisoner's dilemma on spatial grids.
- Implementation of historical memory modules for players, storing past interactions and payoffs.
- Analysis of cooperation levels under varying memory depths and continuous cooperation strategies.
Main Results:
- Historical memory significantly enhances the emergence and stability of cooperation across the spatial network.
- Continuous cooperation strategies, when combined with memory, are more effective at supporting cooperative structures than binary strategies.
- Memory acts as a crucial factor in overcoming spatial disorder and promoting collective cooperation.
Conclusions:
- Historical memory is a vital component for sustaining cooperation in spatial game theory models.
- The transition from binary to continuous cooperation, coupled with memory, represents a more realistic and effective model for cooperation.
- Findings suggest that incorporating memory into agent-based models can provide deeper insights into the evolution of cooperation in complex systems.
Related Concept Videos
Storage
Role of Hippocampus in Memory
Working Memory
Role of Cerebellum and Prefrontal Cortex in Memory
Interference and Decay
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Higher Mental Functions of Brain: Learning and Memory
