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. 2014 Apr 9;10:24. doi: 10.1186/1744-8069-10-24

Figure 4.

Figure 4

Monosynaptic C-fibre input to lamina I NK1R+ neurons. A. and B. Characterisation of primary afferent input to lamina I NK1R+ neurons receiving monosynaptic C-fibre only and monosynaptic C-fibre with polysynaptic A δ-fibre input, respectively. Left traces show examples of ESPCs evoked by dorsal root stimulation at A β- (20 μA), A δ- (100 μA) and C-fibre (500 μA) intensities, at low frequency (0.05 Hz). Each trace is an average of 3 traces. Right traces show examples of EPSCs evoked using higher-frequency stimulation (20 μA/20 Hz; 100 μA/2 Hz; 500 μA/1 Hz). Each trace comprises 20 superimposed traces.