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Spatially Distributed Dendritic Resonance Selectively Filters Synaptic Input

Figure 3

Optimized membrane parameters to achieve the largest range of resonant frequencies with high sharpness (Q-factor).

A. Left panel: a sketch of the model cable with non-uniform density of and color-coded and normalized to the allowed range (see Methods). Right panel: Optimized range of resonance frequencies (red) and sharpness (blue) along the cable. A gradient of against a constant high density of produces the largest frequency range. B. Left panel: The Ball-and-stick model and its optimized conductance density profile. The optimized cable diameter and soma radius are also drawn to scale in the sketch. A similar type of gradient can be observed as in Panel A. Right panel,:Spatial profile of the resonance frequency (red) and sharpness of tuning (blue). C. Left panel, bipolar model and non-uniform density of and . Right panel: Spatial profile of resonance frequency (in red) and sharpness of tuning (in blue) with markers indicating the distinct left and right branches. D. Left panel: The “Y-branch” model and its optimized non-uniform density of and . Right panel: Spatial profile of resonance frequency and sharpness of tuning with markers indicating parent (P) and daughter one (D1) and two (D2) in D.

Figure 3

doi: https://doi.org/10.1371/journal.pcbi.1003775.g003