Modulating the granularity of category formation by global cortical States.

"Conflict of Interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"We would like to acknowledge Stefano Fusi for his continuing support, especially in the initial phase of the work, for many inspiring discussions, and for critical comments on the manuscript. We also acknowledge Robert Urbanczik, Orna Rosenthal, Hans Peter Clamann, and Jürg Streit for helpful comments and critical reviewing of the manuscript, and we thank Sebastian Seung for providing the software for the nonnegative matrix factorization. We thank Takayuki Sato and Manabu Tanifuji for providing the data for Figure 8B and also for the discussions. WS thanks Werner Strik and Thomas König for interesting discussions on schizophrenia and for sharing ideas on modulating the categorization granularity. The research was supported by the Swiss National Science Foundation (grant 3152A0-105966 for WS)."