The mean EL of offsprings over 4-day training periods in the Morris water maze test.

<div><p><b>A</b>: The learning curves for the offspring rats from different groups over the course of 4-day training periods in the Morris water maze test were showed. </p> <p><b>B</b>: The mean EL of the offspring rats from different groups (control group, n= 12; 5 min HIE group, n= 13; 10 min HIE group, n= 12; 15 min HIE group, n= 10) were expressed as mean ± S.D.. <i>a</i>: compared with the control group; <i>b</i>: compared with the 5 min HIE group; <i>c</i>: compared with the 10 min HIE group. The P values were showed in the bracket.</p>