Neural dissociations in attitude strength: Distinct regions of cingulate cortex track ambivalence and certainty
Journal of Experimental Psychology General (2016) - Comment
pubmed: 26854498  doi: 10.1037/xge0000141  issn: 1939-2222  issn: 0096-3445 

Andrew Luttrell, Paul E. Stillman, Adam E. Hasinski, William A. Cunningham