Related Experiment Video
Updated: Nov 23, 2025
09:01
The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents
Published on: July 8, 2015
12.9K
Dynamic aspiration based on Win-Stay-Lose-Learn rule in spatial prisoner's dilemma game
Zhenyu Shi1,2,3,4, Wei Wei1,2,3,4, Xiangnan Feng1,2,3,4
1School of Mathematical Sciences, Beihang University, Beijing, China.
Plos One
|January 4, 2021
Summary
This study introduces a dynamic aspiration model for the spatial prisoner's dilemma game, showing how changing aspirations influence cooperation. Dynamic aspiration offers a better explanation of evolutionary game dynamics than fixed models.
Area of Science:
- Evolutionary Game Theory
- Computational Social Science
- Agent-Based Modeling
Background:
- The Prisoner's Dilemma is a key model for studying competition among self-interested individuals.
- The Win-Stay-Lose-Learn (WSLL) strategy, based on aspiration, effectively promotes cooperation in spatial Prisoner's Dilemma games.
- Aspiration levels are crucial for understanding cooperation dynamics in evolutionary games.
Purpose of the Study:
- To propose and analyze a dynamic aspiration model for the spatial Prisoner's Dilemma game, integrating Expected Value Theory and Achievement Motivation Theory.
- To investigate the impact of dynamic aspiration on cooperation and defection dynamics.
- To identify key network structures and temporal patterns driving evolutionary outcomes.
Main Methods:
- Developed a dynamic aspiration model where individual aspiration is payoff-dependent, based on the WSLL rule.
- Simulated the spatial Prisoner's Dilemma game with varying initial aspiration levels.
- Analyzed network structures and introduced END- and EXP-periods to examine temporal evolution and network reciprocity.
Main Results:
- Dynamic aspiration significantly impacts the evolutionary process, leading to distinct outcomes: Stable Coexistence (Low Aspiration), Dependent Coexistence (Moderate Aspiration), and Defection Explosion (High Aspiration).
- Identified specific network structures and node types (Infectors, Infected nodes, High-risk cooperators) responsible for defector re-expansion.
- Demonstrated the role of network reciprocity through END- and EXP-periods in explaining temporal dynamics.
Conclusions:
- Dynamic aspiration provides a more nuanced and satisfactory explanation of population evolution laws in spatial games compared to fixed aspiration models.
- The proposed model enhances the understanding of the underlying mechanisms of the Prisoner's Dilemma.
- This research highlights the importance of adaptive aspiration levels in fostering cooperation in evolutionary systems.
More Related Videos
Related Concept Videos
01:14Avoidance Learning and Learned Helplessness
2.3K
Avoidance learning and learned helplessness are critical concepts in understanding behavioral responses to negative stimuli.
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
2.3K
01:13Stability of Equilibrium Configuration: Problem Solving
799
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
Problem-solving in the context of the stability of equilibrium configuration...
799
01:34Woodward–Hoffmann Selection Rules and Microscopic Reversibility
3.5K
Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
3.5K
01:16Statically Indeterminate Problem Solving
584
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
584
01:09Decision Making: P-value Method
6.4K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
6.4K
01:06Collisions in Multiple Dimensions: Problem Solving
4.9K
In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
4.9K