Looking behaviour of control (dark grey) and FAE (light grey) infant vervets at dynamic audiovisual presentations of random checkerboards paired with pure tones in Experiment 3.

<p>A. Spectrograms of the long and short duration pure tones. Inset shows one examples of corresponding checkerboards. B. The percentage of total looking time that the subjects spent looking at the matching checkerboard. C. The mean duration of looking time at the matching and nonmatching checkerboards. D. The mean duration of the longest single look at the matching and nonmatching checkerboards. Error bars represent ±1 SEM.