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Intellectual Development of the Infant

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1 Intellectual Development of the Infant
Chapter 8

2 Intellectual development – how people learn, what they learn, and how they express what they know through language Stimuli – an agent, such as a light or sound, that directly influences the activity of the sense organs

3 Brain Development Supports Learning
Different parts of the brain get priority at different times Windows of opportunity – certain experiences are especially helpful to brain development

4 3 Factors affect the rate of Mental Developmental
The baby’s physical development Baby’s environment Interaction of the first two factors; that is, using the windows of opportunity

5 Baby’s brain and sense organs mature a lot during the first year
Motor skills develop Research provides support for areas of brain development that have long been recognized as a major mental learning of infancy

6 Motor Skills As reflexes wane, activity occurs in the motor center
Wiring begins at 2 months Learning voluntary gross motor movement

7 Vision Center Need quite early in life Very active in early infancy
Ability to see through each eye clearly By 2 – 3 months can see objects at many distances By 1 – 3 mths can look at objects with both eyes Eyes may not work together (drifting) Eyes fuse image at 3 months

8 Binocular vision – type of vision that involves fusing an image so it appears as one image using both eyes Necessary to recognize how far away an object is Highly important to learning other things

9 Thinking and Memory Centers
Babies try to make sense of people, objects, sounds and events Try to figure out what is happening Also try to make things happen Like bouncing cradle gym or bake a ball roll Babies like to repeat and vary these events

10 Brain Research Brain research suggests that wiring in thinking/memory centers of the brain begins at 6 months Wiring continues for 10 years Need a good mental diet Interesting things to see, hear and touch

11 Perception Organizing information that comes through the senses
Major step in learning Noting how things are alike and different in size, color, shape, texture Comes through senses about form, space, weight and numbers

12 Perception Involves how fast the brain organizes information
Mature reader can distinguish between a b and a d faster than a beginner reader Involves the way a person reacts to different sensory experiences Some children run to mom in a crowded room of strangers

13 Perceptual Learning Process of developing perception
Happens because sense organs mature and preferences for certain stimuli change

14 Changes in Preferences
See page 223 figure 8-3 See why some babies pick out or prefer certain objects See page 224 – 225 figure 8-6

15 Cognition Act or process of knowing or understanding
Gives meaning to perceptions Jean Piaget – learn by exploring on your own in a stimulating environment

16 Sensorimotor Stage First of Piaget’s stages of cognitive (intellectual) development in which children use their senses and motor skills to learn and communicate with others Begins at birth and complete in 2 year Infants use their sense and motor skills to learn and communicate Work through problems by working through a certain order

17 Practicing Reflexes and Repeating New Learnings
Infants go from stage of practicing reflexes they already know (sucking, grasping, crying) to changing some of their reflex skills Suck their thumbs and open/close their hands

18 Beginning to Control Begin to control their world by making a mental connection between what they do and what happens When they cry, a parent comes Also realize objects exist even when they can’t see them

19 Solving Problems Piaget believed by age one, babies apply all their learnings to solve other kinds of problems By combining several actions, they discover new ways to solve problems

20 Imitating Coping the actions of someone else
Important way to learn for many years Imitate simple actions As they mature, imitate more complex actions

21 What Infants Learn Concept – an idea formed by combining what is known about a person, object, place, quality, or event Thinking is organized through concepts When you see a cat you think of all you know about cats

22 Concepts change as the child’s brain matures and experiences increase
Change from simple to complex Change from concrete to abstract Draw parents and themselves rather than strangers

23 Concepts change from incorrect to correct
Concepts different for each person Concepts involve emotions

24 Perception Concepts Object constancy or sameness – ability to learn that objects remain the same even if they appear different Plane on ground is colorful and in the air was small and silver

25 Object Concept Ability to understand that an object, person, or event is separate from one’s interaction with it Parents are often first “objects” Learn that parents are separate from them

26 Object Concept has 2 parts:
1. object identity Ability to learn that an object stays the same from one time to the next 2. object permanence Ability to learn that people, objects, and places still exist even when they are no longer see, felt, or heard Develops with many experiences over time Will star for a second in the place where the object/person was

27 Depth Perception Ability to tell how far away something is
Needed for safety purposes Keeps person from stepping off an object far from the ground Well developed by 7 – 9 months

28 Beginnings of Language; Brain Development Research
Language closely related to mental development Language wiring begins at birth if not before

29 Wiring Sequence: 1. during the first half year, babies distinguish small differences in sounds. Prepared to learn any language 2. because there are so many connections, pruning begins at 6 months Only notice major differences in sounds in languages they hear from caring adults

30 3. by 12 months babies complete auditory maps needed for their own language
Learning to speak another language without an “accent” becomes more difficult if wiring for the sounds have been pruned away

31 By 9 – 12 months brain’s speech center begins the wiring process
Vocabulary – words a person understands and uses Vocab increases when a person learns more concepts Vocab may lag behind what a person really understands

32 Relationship between language and social and emotional growth
Language used to express feelings or emotions Even young children express feelings physically Temper tantrums, snatching toys etc

33 How Babies Communicate
Crying & Cooing – 1st month they cry By 6th – 8th week they begin to coo (light, happy sound babies begin to use to communicate) Babbling – make a series of vowel sounds with consonant sounds slowly added to form syllables

34 Babbling Important pretalking skill Not monotone ( sounds all in a single pitch) Inflections (changes of pitch)

35 First Words Begin talking during the last 3 months of the first year
Some talk later

36 Before talking babies must:
Understand object permanence Understand that people, objects, places, and event have names Remember words that go with people, objects, places, and events Have the ability to make the sounds Realize that talking is important

37 Reduplication Babbling
Repeating the same syllable over and over again Da-da-da-da Number of words a baby learns varies Studies show babies say about 3 words by end of first year Vocab increases at the end of the 2nd year

38 Passive VS Active Vocab
Passive – words a person understands but does not say Infants have far greater passive Active – words a person uses in talking or writing


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