The bivalency effect represents an interference-triggered adjustment of cognitive control: an ERP study
Cognitive Affective & Behavioral Neuroscience (2013) - Comment
pubmed: 23584989  doi: 10.3758/s13415-013-0160-z  issn: 1531-135x  issn: 1530-7026 

Alodie Rey-Mermet, Thomas Koenig, Beat Meier