AUTHOR=Morra Sergio , Borella Erika TITLE=Working memory training: from metaphors to models JOURNAL=Frontiers in Psychology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2015.01097 DOI=10.3389/fpsyg.2015.01097 ISSN=1664-1078