AUTHOR=Schilhab Theresa S. S. , Stevenson Matt P. , Bentsen Peter TITLE=Contrasting Screen-Time and Green-Time: A Case for Using Smart Technology and Nature to Optimize Learning Processes JOURNAL=Frontiers in Psychology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2018.00773 DOI=10.3389/fpsyg.2018.00773 ISSN=1664-1078