Evolution of cooperation in lattice population with adaptive interaction intensity

► In the evolutionary prisoner's dilemma game, individuals have adaptive interaction intensity. ► If their payoffs increase they have high intensity, whereas they have low intensity. ► We find that the adjustment of interaction intensity with a proper scale is in favor of cooperation. ► Interestingly, individuals with low interaction intensity usually hold the boundary of cooperator cluster. ► Such spatial distribution can alleviate the exploitation from defectors to cooperators.