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. Author manuscript; available in PMC: 2009 Jan 23.
Published in final edited form as: Nature. 2006 Apr 23;441(7090):223–226. doi: 10.1038/nature04676

Figure 4.

Figure 4

Time course. We assign each neuron to one variable of the three variables if the regression slope is significantly different from zero (p<0.01), and we include all 931 neurons in the analysis. The dotted line indicates chance level (9.31).