Westen, Drew; Blagov, Pavel S.; Harenski, Keith; Kilts, Clint; Hamann, Stephan (2006), "Neural Bases of Motivated Reasoning: An fMRI Study of Emotional Constraints on Partisan Political Judgment in the 2004 U.S. Presidential Election", Journal of Cognitive Neuroscience (Massachusetts Institute of Technology) 18 (11): 1947–1958, doi:10.1162/jocn.2006.18.11.1947, PMID17069484, retrieved 2009-08-14
Westen, Drew; Blagov, Pavel S.; Harenski, Keith; Kilts, Clint; Hamann, Stephan (2006), "Neural Bases of Motivated Reasoning: An fMRI Study of Emotional Constraints on Partisan Political Judgment in the 2004 U.S. Presidential Election", Journal of Cognitive Neuroscience (Massachusetts Institute of Technology) 18 (11): 1947–1958, doi:10.1162/jocn.2006.18.11.1947, PMID17069484, retrieved 2009-08-14