AUTHOR=Cao Ang , Ueda Kazuhiro 

TITLE=One- or two-step? New insights into two-step hypothesis and rainbow-like theory for pitch class–color synesthesia

JOURNAL=Frontiers in Psychology

VOLUME=15

YEAR=2025

URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2024.1482714

DOI=10.3389/fpsyg.2024.1482714

ISSN=1664-1078