AUTHOR=Sun Peijian Paul , Yuan Boping , Yan Xun , Kahng Jimin TITLE=Editorial: Individual differences in second/foreign language speech production: multidisciplinary approaches and new sounds JOURNAL=Frontiers in Psychology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2023.1224059 DOI=10.3389/fpsyg.2023.1224059 ISSN=1664-1078