PSY 2114 Lecture Notes - Lecture 4: Palmar Grasp Reflex, Sudden Infant Death Syndrome, Low Birth Weight

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2114
• Professor: Heather Poole

Document Summary

Adaptive help the newborns survive (ex. Psy2114a lecture 4 (sept. 28th: some persist throughout life (ex. Disappears after 4-5 months: reflexive stepping response, palmar grasp reflex, rooting reflex looking for the nipple in response to stimulus of the face. Disappears after 3 months: babinski"s reflex the big toe extends out when the bottom of the foot is stimulated. This is abnormal at any other stage other than infancy. Disappears at 12 months: grasping when an object touches the palm, the infant grasps it. Voluntary response by 5 months: plantar infant curls toes when an object is pressed under them. Disappears after 12 months (before child walks: asymmetric tonic neck when on back with head to one side will flex the opposite arm and leg; fencing position. Crying: spend 1-4 hours crying as newborns, many different techniques to stop a baby from crying (ex.