“Our results support the following conclusions: 1) kynurenine (0.1 or 0.2 mumol, ICV) results in slight stereotypy and ataxia, but the … kynurenic acid-induced behavioral abnormalities is correlated with the length of disappearance of micro-injected kynurenic acid from brain tissue; 3) D-serine … ICV kynurenic acid ….”