Investigating the affective signature of nostalgia and how nostalgia impacts our current and future self-perceptions and relationships with others. 

Examining how our perception of temporal distance affects the way we mentally reconstruct and simulate past events, as well as the self-related factors that contribute to one's perceptions of temporal distance from the past. 

Analyzing how imagining alternative scenarios and engaging in counterfactual thinking influence our mental simulations of different self-concepts and possible futures.