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Novel Object Recognition (NOR) test, activity and discrimination index.
A, Total number of explorations during the initial test. Older nPM exposed mice had reduced exploratory activity (p<0.01, one-way ANOVA).
B, Discrimination index (exploration of novel object divided by total exploration) for the 90-minute posttest (short-term memory). C, Discrimination index for the 24-hour posttest (long-term memory). Mean +/− SEM; N=9 per treatment.
