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. 2015 May 6;9:160. doi: 10.3389/fnins.2015.00160

Figure 2.

Figure 2

Proposed filter properties of the DG-CA3 complex. The DG network operates as a kind of “low-order low-pass filter” (black curve), whereas the CA3 mossy fiber system possesses opposing filter characteristics (dotted curve). The output attenuation ramps overlap, leading to “band-pass” properties of the DG-CA3 complex (red curve) regarding neuronal activity propagation from the EC to area CA1.