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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Nat Neurosci. 2011 Feb 13;14(3):366–372. doi: 10.1038/nn.2752

Figure 3.

Figure 3

Firing rates and memory traces for six neurons, two for each of the three recorded areas. For each of the six neurons, epoch codes (first and third column) and memory traces (second and fourth column) are shown, in the same format as in Figure 2a and 2b. The second column shows monotonic decay of the memory trace, while the fourth column shows biphasic memory traces (double exponential). Different neurons have different firing rates, both in magnitude and time course, and different types of memory decay, but they are all consistent with an exponential (single or double) decay of the memory modulated by the epoch code. FI's for those neurons are: (a,b) 0.98, (c,d) 0.91, (e,f) 0.98, (g,h) 0.84, (i,j) 0.97, (k,l) 0.61.