AUTHOR=Abakoumkin Georgios , Green Jeffrey D. TITLE=Editorial: Current Issues in Nostalgia Research JOURNAL=Frontiers in Psychology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2021.713534 DOI=10.3389/fpsyg.2021.713534 ISSN=1664-1078