AUTHOR=Blanco-PĂ©rez Carlos TITLE=Competition, Cooperation, and the Mechanisms of Mental Activity JOURNAL=Frontiers in Psychology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2018.01352 DOI=10.3389/fpsyg.2018.01352 ISSN=1664-1078