Fig. 1
From: Effects of oral contraceptives and natural menstrual cycling on environmental learning
a Experimental set-up. Written informed consent was obtained from the subject (M.B., one of the authors) represented in the picture. b Means and standard errors of scores on learning the WalCT (y-axis) by OC users and NCW in the early follicular phase (4th - 5th day) and the mid-luteal phase (20th-21st day) (x-axis). c Means and standard errors of scores obtained on delayed recall of WalCT (y-axis) by OC users and NCW in the early follicular phase (4th - 5th day) and the mid-luteal phase (20th-21st day) (x-axis)