The reality of the past versus the ideality of the future: emotional valence and functional differences between past and future mental time travel
Memory & Cognition (2013) - Comment
pubmed: 23055119  doi: 10.3758/s13421-012-0260-y  issn: 1532-5946  issn: 0090-502x 

Anne S. Rasmussen, Dorthe Berntsen