From fixed points to chaos: three models of delayed discrimination.

  title={From fixed points to chaos: three models of delayed discrimination.},
  author={Omri Barak and David Sussillo and Ranulfo Romo and Misha Tsodyks and Larry F. Abbott},
  journal={Progress in neurobiology},
Working memory is a crucial component of most cognitive tasks. Its neuronal mechanisms are still unclear despite intensive experimental and theoretical explorations. Most theoretical models of working memory assume both time-invariant neural representations and precise connectivity schemes based on the tuning properties of network neurons. A different, more recent class of models assumes randomly connected neurons that have no tuning to any particular task, and bases task performance purely on… CONTINUE READING