The effect of d-amphetamine (0.45 mg/kg, PO) and placebo on working memory (WM) for maximum obtained and total scored.
Data are presented as maximum scored (A and C) or total scored (B and D) vs. delay conditions. A) The effect of d-amphetamine on spatial WM (maximum scored), relative to placebo; B) The effect of d-amphetamine on spatial WM (total scored), relative to placebo; C) The effect of d-amphetamine on verbal WM (maximum scored), relative to placebo; D) The effect of d-amphetamine on verbal WM (total scored), relative to placebo. There were no significant effects of d-amphetamine on WM, VWM or SWM.There were significant effects of delay on VWM for the total scored (F[2.3, 43.9] = 22.3, p = 0.004, ƞ