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Table 1 Performance on the spontaneous alternation task

From: Instrumental conditioning for food reinforcement in the spontaneously hypertensive rat model of attention deficit hyperactivity disorder

  Strain
SHR WKY WIS
Total number of arm entries (mean ± SEM) 7.50 ± 0.76 10.00 ± 1.29 9.00 ± 0.36
Latency to first arm (s) (mean ± SEM) 12.39 ± 3.21 9.07 ± 3.45 9.53 ± 3.21
Total number of alternations [median (IQR)] 1.00 (1.00–1.25) 2.50 (1.00–3.25) 2.50 (2.00–3.00)
Discrimination index [median (IQR)] 0.13 (0.11–0.25) 0.22 (0.17–0.26) 0.28 (2.40–0.31)
  1. Data for the normally distributed variables are expressed as the mean ± SEM for each of the strains and the non-normally distributed variables are given as median (inter-quartile range)