In this study, we investigated a question about a possibility to form involuntary auditory-visual associations in children (8-11 yrs) during discriminations of speech sounds (phonemes) when they presented simultaneously with visual stimuli. It was used two types of static images - geometrical figures and images of hand gestures. We judge about the formation of auditory-visual association by behavioral disturbance (reaction time, percentage of wrong reactions during discriminations of phonemes) after changes in experimental protocol viz, partial substitution of preceding pairs of stimuli which were used during training to form auditory-visual associations for the new combinations of previous images and sounds. We find that in research conditions comparatively fast formed pronounced auditory-visual association; however features of response to mismatch stimuli in comparison with adults make to suggest the relative immaturity ofneurons of social perception in children.