In the paper, Johnson BA, et al., Effects of Isradipine, a Dihydropyridine-Class Calcium Channel Antagonist, on D-Methamphetamine-Induced Cognitive and Physiological Changes in Humans, Neuropsychopharmacology 22:504–512, 2000, the legends to Table 1 on page 506 and Table 2 on page 508 were transposed. Here are the correct legends.

Table 1. Analysis of Covariance Results for the Change in Cognitive Function Tasks in 18 Male and Female Healthy Volunteers Who Received D-Methamphetamine (0.21 mg/kg or 0.42 mg/kg Orally) with or without Isradipine (0.21 mg/kg Orally)

Table 2. Analysis of Covariance Results for the Change in Vital Signs in 18 Male and Female Healthy Volunteers Who Received D-Methamphetamine (0.21 mg/kg or 0.42 mg/kg Orally) with or without Isradipine (0.21 mg/kg Orally)