PRE 305 1st Edition Lecture 7 Outline of Last Lecture I Infant physical and perceptual development A The newborn B Breastfeeding and development C Motor control D Threats to development Outline of Current Lecture I Infant cognitive development A How do we study infants B Data collection with infants C The newborn s brain D Brain development E Newborn reflexes F Infant learning G Infant cognition Current Lecture How do we study infants Naturalistic or structured observations Data collection with infants Habituation reduction in response to a repeated stimulus Preferential looking see which image a child likes to look at more or longer Head turning The newborn s brain Brain size about 25 of what a fully developed adult brain is Brain development Synaptogenesis 1 Neurons 2 Synapses 3 Myelin sheath Synaptic pruning getting rid of connections that a child no longer needs Plasticity allows for adapting in environment Newborn reflexes Promote survival Promote relationships Indicate neurological health Infant learning Habituation associations with later IQ Conditioning Affordances what opportunities are provided by a particular object or situation Observational learning Infant cognition Physical knowledge Social knowledge