Feeling more together: group attention intensifies emotion
Emotion (2014) - Comment
pubmed: 25151520  doi: 10.1037/a0037697  issn: 1931-1516  issn: 1528-3542 

Garriy Shteynberg, Jacob B. Hirsh, Evan P. Apfelbaum, Jeff T. Larsen, Adam D. Galinsky, Neal J. Roese