AUTHOR=Ruan Zenan TITLE=The necessary and sufficient mechanism of consciousness in a layered mind JOURNAL=Frontiers in Psychology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2023.1280959 DOI=10.3389/fpsyg.2023.1280959 ISSN=1664-1078