PSY 2105 Lecture Notes - Lecture 6: Sudden Infant Death Syndrome, Moro Reflex, Rapid Eye Movement Sleep
23 Nov 2016
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Eye blink, withdrawal, rooting, sucking, swimming, moro, palmar grasp, Physical development: motor skills, brain development and growth. Some reflexes are evident at birth but disappear by age one. Rooting reflex: tactile stimulation of the cheek elicits a head turn toward the stimulus. Palmar reflex: pressure by an object on the palm of the infant elicits a grasping of the object. Moro reflex: loss of head support elicits a motor sequence of embracing. Behaviors that don"t require specific external stimulation and are more. Looking: infants will engage in examining their surrounding even when they are not externally stimulated (ex. Sucking: infants suck spontaneously, when not hungry-serves as an exploration tool and to buffer pain and overstimulation. Crying: serves not only to convey hunger, but also emotions; in addition, crying influences early social relationship. Infant alertness varies across day and night in at least six different states. Deep sleep: eyes closed, no eye movements, regular breathing.
