5-CSRTT performance at reduced stimulus durations. a–d, Mean accuracy (a), omissions (b), response latencies (c), and magazine latencies (d) of 3xTgAD and wild-type controls (n = 8 per genotype, age 38–40 weeks) at stimulus durations of 1.5, 1, 0.8, and 0.6 s. *p < 0.05, simple main effect of genotype.