0004, .32 vs −.76 μv). The mean amplitude of the right hemisphere pool was significantly more negative in the adolescent group when compared to the adult group (p = .0370, −.31 vs .32 μV). The mean amplitude of the central pool in adolescents was significantly less negative than the middle age group (p = .0404, −.14 vs −.76 μV). There was no main effect of group [F(2,51) = .3566, p = .7017] or pool [F(2,102) = .1387, p = .8711]. Overall measures of stimulus level processing Dinaciclib revealed five main findings. First the P3a amplitude and latency is larger and delayed in middle age adults. This P3a activity is absent in adolescents.

Second the P3b latency is later in middle age adults. This is in line with our prediction of stimulus level change in middle age adults and absence of stimulus level effects in adolescents. Third in terms of congruency effects, there were no significant differences between the SC and RC conditions in the P3a, P3b peak amplitude or latency and the N450 mean amplitude,

which suggests that differences in conflict processing occur at later stages. Fourth the topographic analysis of the N450 revealed potential differences in RC − SC processing between the three groups. Fifth, additionally, the N450 differences waves showed that processing of combined SC and RC (general conflict) increased the N450 amplitude greater amount than just RC − SC (response

conflict Mirabegron alone), this website which supports the prediction that the N450 amplitude is more sensitive to general conflict processing. Fig. 6 depicts the stimulus locked grand-averaged LRP waveforms. Analysis of the stimulus locked LRP peak amplitude revealed a significant effect of group [F(2,51) = 3.64, p = .0333]. Tukey post hocs revealed that adolescents had smaller peak amplitude than the middle age group (p = .0295, −1.76 vs −2.66 μV). LRP peak amplitude also had a significant congruency effect [F(2,102) = 4.26, ɛ = .926, p = .0192]. Tukey post hocs revealed that the amplitude of the RC condition was significantly smaller than the amplitude of the congruent condition (p = .0120, −1.92 vs −2.40 μV). The peak amplitude of the RC condition was also smaller than the SC condition (−2.15 μV) however this was not statistically significant (p = .2435). There were no significant group × congruency interactions in the peak amplitude [F(2,102) = 1.387, p = .2453]. The peak latency of the stimulus locked LRP showed a significant congruency effect [F(2,102) = 4.40, ɛ = .971, p = .0156]. Tukey post hocs revealed that the RC condition peak latency was significantly later than the SC condition (p = .0169, 494 vs 466 msec). There was no main effect of group in the peak latency [F(2,51) = 2.127, p = .1296] and there were no group × congruency interactions in the peak latency [F(4,102) = 1.242, p = .2979].