Functional brain activation to emotional and nonemotional faces in healthy children: evidence for developmentally undifferentiated amygdala function during the school-age period
Cognitive Affective & Behavioral Neuroscience (2013) - Comment
pubmed: 23636982  doi: 10.3758/s13415-013-0167-5  issn: 1531-135x  issn: 1530-7026 

David Pagliaccio, Joan L. Luby, Michael S. Gaffrey, Andrew C. Belden, Kelly N. Botteron, Michael P. Harms, Deanna M. Barch