1. The Department of Psychology, Brigham Young University, Provo, UT 84602, USA
2. The Neuroscience Center, Brigham Young University, Provo, UT 84602, USA
3. Idaho WWAMI Medical Education Program, University of Idaho, Moscow, ID 83844, USA
4. The Department of Biology, Brigham Young University, Provo, UT 84602, USA