Figure 2.

Effects of developmental Pb exposure on neonatal motor patterns and ultrasonic vocalizations (USVs) emitted by pups during a 3 min-test at post-natal day 4, 7, 10, and 12. (A) Duration of motor behaviors, namely locomotion, head rising and wall climbing, significantly affected in Pb pups of both sexes, * p < 0.05, ** p < 0.01; (B) Temporal profile of USV emission, * p < 0.05 vs. post-natal day 7, ° p < 0.05 vs. post-natal day 12. Data are sex-pooled represented; n = 12 (6 females and 6 males)/group.