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. 2014 Mar 20;8:25. doi: 10.3389/fncir.2014.00025

FIGURE 4.

FIGURE 4

The shortened EPSP was caused by VTA activation rather than the adaptation to repeated sound simulation. (A) An example of neuronal responses to three stimulation groups: sound only, paired VTA-sound, sound only (again, after paired VTA-sound). Superimposed traces of 5 repetitions. Scale bar: 5 mv/10ms. (B) When sound-only stimulation were delivered again the duration of evoked response in A1 neuron was not significantly different from the duration when sound-only stimulation was first applied (*p < 0.05; **p < 0.01, paired t-test; filled triangle: sound-only stimulation; filled square: paired VTA-sound stimulation; filled circle: sound-only stimulation that was delivered again after paired VTA-sound stimulation).