Interpersonal connectedness (IC) is an essential social function across life but is critical for young children. IC begins at birth and is vital to emerging physiological and affect regulation, attachment, communication, and cognition. IC occurs through dynamic interactive behavioral coordination, resulting in an embodied dyadic state of shared…

Several categories which were developed to code the social interactions of mothers and children in a twenty minute free play laboratory situation are described. The categories were divided into primary modes, which were subdivided into smaller units of behavior. Frequency categories within a mode and duration categories across modes may usually be…