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. 2019 May 16;9:7503. doi: 10.1038/s41598-019-43923-y

Figure 4.

Figure 4

Reduced inter-trial coherences of EEG activity in the frontal cortex of EGF-treated rats to the deviant tone. Grand average inter-trial coherences (from 25–140 ms) in individual frequency ranges (theta 4–13 Hz, beta 14–29 Hz, gamma 30–80 Hz) were compared in the frontal cortex (a) or in the auditory cortex (b) between control and EGF-treated rats. Asterisks denote a significant difference between groups (*p < 0.05, **p < 0.01).