Intellectual Intellectual DevelopmentDevelopment

InfantsInfants

Wiring of the Brain• Voluntary gross motor movements

– 2 months• Voluntary fine motor movements

– 2-3 months• Vision

– 3 months– Binocular vision

• How far away an object is– Thinking and memory

• 6 months until 10 years

Infants learn by• Practicing• Beginning to control• Solving problems• imitating

Language• 1st 6 months- small difference in

sounds• Pruning begins at 6 months

– Babies only notice major differences in sound from adults• They ignore radio and TV

– 12 months auditory map is complete

Language continued…• How babies communicate

– Cry– Coo – 6-8 weeks– Babble 4-5 months– Passive vocabulary

• Words people understand, but can’t say• Babies have a large passive vocabulary

Language continued…• Active vocabulary

– Words people understand and speak– Babies begin speaking at 9 months– By 1 year most have a 3 word

vocabulary

Concept• Idea formed by combining what is

known about a person, object, place, quality, or event

Object Constancy• Knowing that objects remain the

same even if they appear different

Object Concept• World of objects, people and

events are separate from one’s interactions with them

Concept continued….• Object Identity

– Object stays the same from one time to the next

• Object permanence– People, objects, and places still exist even

when they are no longer seen, felt, or heard• Depth Perception

– How far away something is