Fig. 5.

ERP responses at 1-month (a), 5-months (b) and 18-months (c) of age for Frequent (blue), Infrequent (red) and Trial Unique (yellow) sounds. Here, time courses of all infants contributing valid data for each cross-sectional age point are included. Figures including only infants contributing EEG data to all three age points (N = 74) can be found in Supplementary Figure 1. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)