The concept of a “secure base”, introduced by developmental psychologist Mary Ainsworth in the 1960’s, reflects the empathic and interested responses of caregivers to a child's attachment needs.  With security as a foundation exploration of the environment follows.  "Safe haven" (John Bowlby)  is a term which describes the consistent acknowledgent and soothing  a child can return to when she feels tension.  For example, a toddler expresses excitement discovering that she can make a ball roll.