AUTHOR=Vicario Carmelo M. TITLE=Uncovering the neurochemistry of reward and aversiveness JOURNAL=Frontiers in Molecular Neuroscience VOLUME=Volume 6 - 2013 YEAR=2013 URL=https://www.frontiersin.org/journals/molecular-neuroscience/articles/10.3389/fnmol.2013.00041 DOI=10.3389/fnmol.2013.00041 ISSN=1662-5099