to constitute an experience, as explained

in the following. According to Dewey [10], there is experience each time an agent performs an action and associates consequences to it. This author also emphasized that neither an action alone nor a consequence alone does make an experience. This leads us to the following informal definition: An experience is an action per-formed by an agent x who perceives consequences of that action. An experience can also be made from watching another agent who performs an action. Agent x may also evaluate (positively or negatively) the perceived consequences of the action. For instance, in a case like “Mary experienced a traffic jam when going to airport last Saturday morning, got angry and missed her flight”, the action is “experiencing a traffic jam”, the retained consequences are “getting angry ” and “missing a flight”, and the evaluation is (implicitly) negative here. Thus, an experience has two main features that distinguish it from ordi-nary actions. Indeed, at least some of its consequences: i) are unexpected for the agent, and ii) emotionally significant for the agent. Then, the experience i