Figure 2.
The mean spike count in response to the VNS paired speech sounds ‘rad’ and ‘lad’ was significantly increased in VNS speech paired rats compared to control rats. The driven number of spikes was calculated for each speech sound using the 40 ms onset response to each sound. Error bars indicate SEM across recording sites; asterisks indicate speech sounds with response strengths that were significantly different between VNS speech paired and control rats (p < 0.05).