PHYSICAL AND COGNITIVE DEVELOPMENT IN INFANCY Chap. 5 Chap. 5 PHYSICAL AND COGNITIVE DEVELOPMENT IN INFANCY

Physical Development in Infancy Age (Months) Height (Inches) Weight (Pounds) 3 24 13-14 6 26 17-18 9 28 20-22 12 30 22-24 18 32 25-26 34 27-29

Nutrition & Breast Feeding What are some factors a mother should consider when deciding whether or not to breast feed?

Brain Development

An Infant’s Brain, Neurons, & Communications

Neonatal Reflexes Moro Reflex Imitation Stepping Reflex

Locomotion: Standing and Walking Motor Development Head Control Locomotion: Standing and Walking Locomotion: Crawling and Creeping

Neonatal Problems Failure to Thrive Sudden Infant Death Syndrome Sleeping Disorders Respiratory Distress Syndrome

Perceptual Development Ca- yo- re-d t-is -en-en-e, w-ic- ha- ev-ry -hi-d l-tt-r m-ss-ng? d. e.

Fantz’s “looking chamber” Visual Perception Fantz’s “looking chamber”

Visual Adaption Visual Cliff

Auditory Perception

Cognitive Development Piaget’s Sensorimotor Period Stage Age (Mos) Cognitive Focus 1 0-1 Exercise their reflexes 2 1-4 Primary Circular Reactions 3 4-8 Secondary Circular Reactions 4 8-12 Coordinate Secondary Schemes 5 12-18 Tertiary Circular Reactions 6 18 Object Permanence Sense of Space Causality Time Sequences Object Permanence

Language Development Age Language From Birth Crying 2-5 months Cooing Babbling 12 months Single Words 18 months Two Words 2 years Phrases

First Words Phonology Semantics Syntax Pragmatics Word Spurt

Holophrases & Telegraphic Speech