Behavioral and Brain Sciences

Short Communication

Chaotic itinerancy needs embodied cognition to explain memory dynamics

Takashi Ikegami a1 and Jun Tani a2
a1 Institute of Physics, General Systems Sciences, The Graduate School of Arts and Sciences, University of Tokyo 3-8-1 Komaba, Meguro-ku, Tokyo 153, Japan
a2 Sony Computer Science Laboratory Inc., Takanawa Muse Building, 3-14-13 Higashi-gotanda, Shinagawa-ku, Tokyo, 141 Japan and Behavior and Dynamic Cognition Laboratory, The Brain Science Institute, Riken


Memory dynamics need both stable and unstable properties simultaneously. Hence memory dynamics cannot be simulated by chaotic itinerant dynamics alone, with no real world correspondence. Memory dynamics are constrained by both semantics and causalities in the embodied cognition.