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The HEALthy Brain and Child Development (HBCD) is a multi-site research study (25 sites) designed to prospectively examine brain and behavioral development beginning prenatally through mid-childhood. The study incorporates repeated Child Cognitive Systems, such as the Early Regulation in Context Assessment (ERICA) and the NIH Infant and Toddler Toolbox (NBT). The HBCD pilot phase focused on optimizing a pragmatic behavioral coding scheme to facilitate data acquisition in infants (3 months) and toddlers (≤36 months).



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