Synaptic Variability Introduces State-Dependent Modulation of Excitatory Spinal Cord Synapses

Figure 4

(a) Graph showing the size of the estimated available vesicle pool at connections that were potentiated or reduced by substance P. (b) Graph showing the PP ratio at connections that were potentiated or reduced by substance P. (c) Graph showing the relationship between the initial PP ratio and its change by substance P (/).

(a)

(b)

(c)