The following paper about system 0/1/2/3 has been published in Artificial Life!

Tadahiro Taniguchi, Yasushi Hirai, Masahiro Suzuki, Shingo Murata, Takato Horii, and Kazutoshi Tanaka, “System 0/1/2/3: Quad-process theory for multi-timescale embodied collective cognitive systems,” 31(4) , pp. 465–496, Artificial Life, 2025. DOI: 10.1162/ARTL.a.12 arXiv