Evidence for a fixed capacity limit in attending multiple locations
Cognitive Affective & Behavioral Neuroscience (2014) - Comment
pubmed: 24217849  doi: 10.3758/s13415-013-0222-2  issn: 1531-135x  issn: 1530-7026 

Edward F. Ester, Keisuke Fukuda, Lisa M. May, Edward K. Vogel, Edward Awh