PSY 2105 Lecture Notes - Moro Reflex, Primitive Reflexes, Somnolence

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2105
• Professor: Caroline Sullivan

Document Summary

Physical development: motor skills, brain development and growth. Some reflexes are evident at birth but disappear by age one. Palmar reflex: pressure by an object on the palm of the infant elicits a grasping of. Rooting reflex: tactile stimulation of the cheek elicits a head turn toward the stimulus the object. Moro reflex: loss of head support elicits a motor sequence of embracing. Behaviours that don"t require specific external stimulation and are more adaptable than simple reflexes. Looking: infants will engage in examining their surroundings even when they. Sucking: infants suck spontaneously, when not hungry serves as an exploration. Crying: serves not only to convey hunger, but also emotions; in addition, crying are not externally stimulated (e. g. light) tool and to buffer pain and overstimulation influences early social relationships. Infant alertness varies across day and night in at least six different states: Deep sleep: eyes closed, no eye movements, regular breathing.