The aim of the study was to explore the possibility of adults on the basis of auditory perception of words 5- 8 year olds, “letter by letter” describing words cut out of context phrases and recognition of their lexical meaning. Shown no significant dynamics in the number of words children 5-7 years, correctly described “spelled” and the words, lexical meaning of which was determined by adults with a high probability (0.76-1.0). Found a significant increase in the amount described correctly recognized words and 8 year olds compared with the words of children 7 years. The child's words recognized auditors with high probability characterized by large areas of formant triangles stressed vowels than words recognized with a low probability. The results may suggest the position in favor of a qualitatively new psychophysiological characteristic of the child at the beginning stage of systematic education.