Learning structured data from unspecific reinforcement
  We show that a straightforward extension of a simple learning model based on the Hebb rule, the previously introduced Association-Reinforcement-Hebb-Rule, can cope with "delayed", unspecific reinforcement also in the case of structured data and lead to perfect generalization. 
M. Biehl (Inst. Theor. Physik, Univ. Wuerzburg, Germany), R. Kuehn   (Inst. Theor. Physik, Univ. Heidelberg, Germany) and I....