Intro to Development

Prompt #5 List 5 milestones that are necessary to human development (milestones nearly everyone goes through).

Childhood Developments Motor, Perceptual, Language

Newborns Go from complete protection to sensory overload Capabilities: grasping reflex rooting reflex Capabilities for basic survival

Maturation—internally programmed growth of a child

Perceptual Development Fantz (1961) Infant preferences

Perceptual Development Gibson & Walk (1960) Visual Cliff

Language Development 1 year: babbling, first word (ex: baba; mama) 2 years: telegraphic speech, questioning tone, negative words (ex: Jenny go?; No ball) 3 years: simple but accurate sentences, negative sentences, 400 words (ex: I’m eating; Don’t go)

Language Development (cont.) 4 years: grammar rules and future, adult form of questioning, 1,000+ words (ex: I can’t go; Why is Tommy crying?) 5 years: complex, 2+ ideas in one sentence (ex: I see what you did) Between 2 and 5, typical child learns an avg. of 10 words a day, nearly 1 word every hour awake!

Language Development (cont.) Imitation  Overgeneralization  Rule-governed language Debates: Nature vs. Nurture Critical period — sensitive period early in life in which language acquisition is easier

Genie