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Results recorded for the GNG task under all lighting conditions at the first (T1 and T2) and last (T3 and T4) 2-min time periods during each performance testing block: (A) mean scores, (B) mean RS values, (C) mean FP values, (D) mean number of lapses, and (E) mean lapse probability. The error bars represent SEM. Statistical significance: *P<0.05, **P<0.01. See data analyses.
Abbreviations: GNG, go/no-go task; RS, response speed; FP, false-positive rate.
