Infant crying and the calming response: Parental versus mechanical soothing using swaddling, sound, and movement

Frequent infant crying is associated with parental exhaustion, depression, or even infant hospitalization and shaken baby syndrome. Effective prompt soothing methods are lacking for infants under 6 months. We examined whether swaddling, sound, and movement evoked an immediate calming response (CR) when parents soothed their infants and using a smart crib, and whether infant age affected the CR.Infants' CR was assessed in a community sample of 69...