AUTHOR=Operskalski Joachim T. , Barbey Aron K. TITLE=Methodological Considerations in Cognitive Training Research JOURNAL=Frontiers in Psychology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2016.01481 DOI=10.3389/fpsyg.2016.01481 ISSN=1664-1078