Chunk #34 — Results — ERO responses to frequent and infrequent tones in the “active” and “passive” tasks in periadolescent humans

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Decreases in energy and increases in phase locking of event-related oscillations to auditory stimuli occur during adolescence in human and rodent brain.

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A highly significant main effect of tone was found in phase difference lock index (PDLI) between FZ and PZ (F=56.7, df=1,58, p<0.001), as also seen in Figure 1C. PDLI was found to be significantly higher following the infrequent (target) tone as compared to the frequent (non-target) tone. There were no significant main effects of PDLI as a function of group (active vs. passive task).