TY - RPRT TI - Two-level hierarchy with sparsely and temporally coded patterns and its possible functional role in information processing. AU - Masaki Nomura AU - Toshio Aoyagi AU - Masato Okada PY - 2003 DO - 10.1016/s0893-6080(02)00239-3 UR - https://pubmed.ncbi.nlm.nih.gov/14692630/ ID - 14692630 ER -