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. 2015 Feb 15;32(4):272–279. doi: 10.1089/neu.2014.3557

FIG. 3.

FIG. 3.

Altered emotion–cognitive control interaction in mild traumatic brain injury (mTBI). Threat-related stimuli were associated with greater N2-P3 amplitude in response to NoGo trials in the mTBI group than were neutral stimuli. Central N2 enhancement in response to emotional stimuli was observed both in the mTBI group and in controls, with a tendency toward greater effect in mTBI. Grand average event-related potentials (ERPs) evoked by all NoGo trials are illustrated in the left, midline, and right frontal (F3, Fz, F4), central (C3, Cz, C4), and parietal (P3, Pz, P4) electrodes that were used to obtain amplitude measurements for the three regions of interest. Bottom plots from left to right illustrate 1) average N2-P3 peak-to-peak amplitudes across fronto-centro-parietal region, 2) central N2 peak, and 3) parietal P3 peak amplitudes for mTBI and control groups in response to emotional (NEG) and emotionally neutral (NEU) control stimuli in all NoGo trials. Error bars indicate standard error. *p<0.05; **p<0.001.