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Figure 8 | BMC Neuroscience

Figure 8

From: Spontaneous activity of rat pretectal nuclear complex neurons in vitro

Figure 8

Tonic synaptic input does not contribute to the generation of spontaneous activity in PNC cells. Postsynaptic responses obtained by electrical optic tract stimulation (A) can also be blocked by bath application of 1.5 mM CoCl2 (D). However, the spontaneous firing rate recorded in control situation (B) does not change after removal of synaptic input (E). Removing excitatory input does also not change the regularity of the firing as derived from the distribution of interspike intervals (C vs. F).

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