Jaymie TicknorDevelopmental Psychology 3620 Sect. 85327 September 2013Lecture #12Chapter #6 PowerpointCephalocaudal (head down)3-4 months, baby is able to look up and move their head up (newborns cannot because of weak neck)Proximodistal (center out to the extremities; spinal cord to outward body)Babies start off with not being able to function fingers completely; then begin to use index fingers better; and then be able to use all fingers by 3 years oldMotor Skills Development: Infant ReflexesSucking, Rooting (turn towards source), Grasping (grab things), Moro reflex (startle reflex; stretch out and then back in to protect head), Stepping reflex (picked up and held above ground in order to “moon” walk); Babinski reflex (bottom of baby’s foot is stroked; curl and bend inward)Motor development milestonesUniversal and Practice EffectSensation: Vision: visual acuity, 20/400; high-contrast area (face highest contrast area); 6 months - 3 years (last one to develop)Hearing: mother’s voice and background noiseSmall and taste: turn to mother’s scent, prefer sweatTouch: skin-to-skin human touch, enhance growthExperience-dependent: Babies are able to lift head at 2-3 months; roll over at 3 months; sit up and reach out for something at 4 months; stand up and walk at 12 monthsMirror Neuron: imitate action of adults; mimic (critical for first few months; emotional center; amygdala; seeing and doing seem the same thing)Motor skills and cognitive
View Full Document
Unlocking...