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The writing of this work and the experiments presented in the figures were funded by the National Science Foundation, grant number 0343636 to John Beggs, and by Indiana University. The initial work on neuronal avalanches was done in the laboratory of Dietmar Plenz, and was funded by the intramural research program of the National Institutes of Health.  

The writing of this work and the experiments presented in the figures were funded by the National Science Foundation, grant number 0343636 to John Beggs, and by Indiana University. The initial work on neuronal avalanches was done in the laboratory of Dietmar Plenz, and was funded by the intramural research program of the National Institutes of Health.  

==References==

==参考文献 References==

* Bak, P. (1996). How nature works: the science of self-organized criticality. New York, NY, USA, Copernicus.

* Bak, P. (1996). How nature works: the science of self-organized criticality. New York, NY, USA, Copernicus.

* Bak P, Tang C, Wiesenfeld K (1987). Self-organized criticality: an explanation of the 1/f noise. Phys Rev Lett 59:381–384.

* Bak P, Tang C, Wiesenfeld K (1987). Self-organized criticality: an explanation of the 1/f noise. Phys Rev Lett 59:381–384.