When anger leads to rumination: induction of relative right frontal cortical activity with transcranial direct current stimulation increases anger-related rumination
Psychological Science (2013) - Comment
pubmed: 23449843  doi: 10.1177/0956797612457384  issn: 1467-9280  issn: 0956-7976 

Nicholas J. Kelley, Ruud Hortensius, Eddie Harmon-Jones