In fact, it's a pretty good sign of healthy cognitive development. (babygaga.com)
It also plays an important role in healthy cognitive development. (detoxdiy.com)
Attachment security with the primary caregiver is correlated with intellectual development and functioning of children in that responsiveness and attunement, maternal involvement, and emotional sensitivity support healthy cognitive development (see Crandell & Hobson, 1999 for a brief overview of the literature). (bpdfamily.com)