By Renée Grinnell

Immersion in a group to the point that one loses a sense of self-awareness and feels lessened responsibility for one’s actions.

Example: Groups of excited, rioting sports fans celebrating a big win can end up commiting acts they would never do alone, such as vandalism or arson.

    Last reviewed: By John M. Grohol, Psy.D. on 30 Nov 2008