1. a Department of Psychology , Brigham Young University , Provo , UT , USA
2. b Neuroscience Center, Brigham Young University , Provo , UT , USA
3. c Department of Psychiatry , University of Utah , Salt Lake City , UT , USA
4. d The Brain Institute of Utah, University of Utah , Salt Lake City , UT , USA
5. e Veterans Administration Hospital , Salt Lake City , UT , USA