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. 2017 Apr 3;7:45684. doi: 10.1038/srep45684

Figure 6. BAC firing evoked by coincident injections to two chambers.

Figure 6

(a) Inline graphic curves of 5D model with Inline graphic and Inline graphic. For Inline graphic, the value of dendritic input is Inline graphic and Inline graphic. For Inline graphic, they are Inline graphic and Inline graphic. (b) Dendritic voltage VD and associated Ca2+ current ICa for each value of Inline graphic. The value of IS and ID are indicated in each plot. (c) Dendritic Ca2+ spike is evoked by the interactions between the back-propagating APs and the excitatory inputs received by apical dendrites. The Ca2+ spike induced by back-propagating APs is also referred to as BAC firing, which can be propagated to soma to modulate the output APs.