AUTHOR=Fischer Martin H. , Sixtus Elena , Göbel Silke M. TITLE=Commentary: A pointer about grasping numbers JOURNAL=Frontiers in Psychology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2015.00227 DOI=10.3389/fpsyg.2015.00227 ISSN=1664-1078