Sweet taste, looking, and calm in 2- and 4-week-old infants

This study investigated the effectiveness of orally delivered sucrose in calming agitated 2- and 4-week-old infants. Sucrose arrested crying and reduced heart rate and gross activity in 2-week-olds but was ineffective in calming 4-week-olds unless accompanied by eye contact. These results were confirmed in a second study in which the experimenter deliberately either held or avoided the infants' gaze. For infants who received sucrose in the absence of eye contact, or water along with eye contact, crying was only modestly reduced, and this effect was not sustained. The emergent necessity of conjoint visual and gustatory stimulation at 4 weeks of age may mark a transition from calming by nonsocial proximate stimulation, such as sweet taste, to calming by specific, distal social interactions. Implications of the findings for the formation of infant-caregiver affectional ties are discussed

Developmental psychology · Sweet taste · Taste · Child and Animal Learning Development · Infant Health and Development · Neuroendocrine regulation and behavior · Neuroscience · Psychology

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