Early Brain Development - Mustang Public Schools 9 Intellectual Dev of Infants Study... · EARLY...
Transcript of Early Brain Development - Mustang Public Schools 9 Intellectual Dev of Infants Study... · EARLY...
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EARLY BRAIN DEVELOPMENT
CHAPTER 9
INTELLECTUAL DEVELOPMENT OF INFANTS
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STRUCTURE OF THE BRAIN
•Neurons … are nerve cells in the brain
•Neural pathways are the links between neurons
•These links develop in response to babies’
experiences through the senses
•Allow brain to control body functions & thinking
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NEWBORNS
•Operate primarily from reflex actions. ---An
automatic, instinctive response
•6-month old: aware it can be kicked off &
does it on purpose.
• The part of the brain that receives this sensory
information is the cerebrum
• Mostly in the cortex, the outer layer
• The cortex allows more complex learning
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•Axons are the connections between the
neurons
•Dendrites are branch-like features at the
end of axons that receives messages
•A neurotransmitter is a chemical released
by axons that acts as a messenger
between neurons
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•As connections between dendrites and
axons grow stronger, a group of neurons
become linked and become a system of
nerve cells, called neural pathways, that
control an action or thinking task.
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HOW DOES THE DEVELOPMENT OF CONNECTIONS IN THE BRAIN HELP A BABY BECOME SKILLED AT STACKING BLOCKS?
•After doing this repeatedly, the neurons
work together so well that it becomes easy.
•Repetition makes the connection stronger.
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WHAT CAN A CAREGIVER DO TO HELP THE DEVELOPMENT OF A BABY’S BRAIN PATHWAYS?
1.Keep it simple and natural
2.Match experiences to a child’s mental abilities
3.Practice makes perfect
4.Actively involve the baby
5.Provide variety, but avoid overload
6.Avoid pushing the child
PLAY GAMES … TALK … STIMULATE SENSES … USE REPETITION
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MYELIN
Myelin is a fatty substance that coats axons
--makes it easier to transmit signals
At first, only those nerves that control basic functions
such as nursing, have it. Other axons get it as a child
grows.
--added in different areas of the brain at
different times—motor skills, vision & hearing add it
next. These are the areas that first show
development. Baby can’t learn a skill if myelin is not
on those axons.
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INTELLECTUAL DEVELOPMENT DURING 1ST YEAR Section 9.2
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12.
Perception is related to learning because it is the ability to learn from information received through the senses. (hear, see, smell, taste, feel)
•Helps the brain become organized, increasing baby’s learning & skills
•Learn by observing & experimenting.
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13.
EXAMPLES OF: FOUR INTELLECTUAL ABILITIES DEVELOPED IN 1ST YEAR
Memory:
•2-3 month old baby may stop crying when
someone enters the room because they anticipate
being picked up
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13.
EXAMPLES OF: FOUR INTELLECTUAL ABILITIES DEVELOPED IN 1ST YEAR
Associations:
•Baby associates parent or caregiver with
receiving comfort
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13.
EXAMPLES OF: FOUR INTELLECTUAL ABILITIES DEVELOPED IN 1ST YEAR
Cause and effect:
•Sucking causes milk to flow
or
•Pull a cord on a toy to make it move
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13.
EXAMPLES OF: FOUR INTELLECTUAL ABILITIES DEVELOPED IN 1ST YEAR
Attention span:
•If the same object is presented over and over,
baby’s response becomes less enthusiastic.
•In infancy, babies with above average
intelligence have a shorter attention span. After
infancy, they have a longer attention span than
others.
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14.
Piaget: HOW CHILDREN PROGRESS THROUGH
THE STAGES OF INTELLECTUAL DEVELOPMENT
1. In a pattern: These 4 stages appear in the same order
in all children
2.The ages in which they emerge may vary from child to
child
3.Must master one thinking skill before they can move on
4.Cannot be forced any faster than speed at which their
abilities mature
5. If they have no opportunity to apply new skills, they’ll
never reach their full potential
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15.
PIAGET’S 4 PERIODS OF INTELLECTUAL DEVELOPMENT
Period Age Characteristics
Sensorimotor Birth to 2 years Learn through their
senses and own actions
Pre-operational 2 to 7 years Think in terms of own
activities and what
they perceive at
moments
Concrete operations 7 to 11 years Can think logically but
still learn best through
experience
Formal operations 11 to adult Capable of abstract
thinking
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16.
KEESHA CRAWLS TO LOOK FOR A TOY THAT ROLLED AWAY…
WHAT CONCEPT HAS KEESHA LEARNED?
OBJECT PERMANENCE
Can now keep image of toy in her mind
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17.
TYPE OF THINKING THAT MAKES IT POSSIBLE FOR CHILDREN TO EVENTUALLY LEARNING TO READ?
Symbolic thinking – use of words & numbers to
stand for ideas – foundation for reading
What age?
End of sensorimotor period – 18-24 months
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18.
WHY PROVIDE SENSORY STIMULATION DURING SENSORIMOTOR STAGE?
Sensorimotor period…
•Infants learn mainly through their senses & own
actions, when the neurons in the infant’s brain
establish pathways that enable learning
•Need descriptive language with experience!
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19.
EXAMPLES OF THINGS CAREGIVERS CAN DO TO BUILD AN INFANT’S SENSE OF SECURITY & TRUST…
?
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20.
WHAT ARE CONCEPTS?
General categories of objects and information
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21.
STAGES CHILDREN 1-3 GO THROUGH TO LEARN WORDS & CONCEPTS
Stage 1 – Labels for whole objects, not parts
Stage 2 – Labels apply to group, not to
individual objects in the group
Stage 3 – An object can only have one label.
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HELPING INFANTS LEARN SECTION 9.3
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• Intellectual development in an infant is closely inked with the RESPONSIVENESS, or reactions, of others in the baby’s environment.
•When caregivers respond consistently, everyday events like discomfort, crying, cuddling and being fed are connected.
• The child learns to recognize this pattern. This forms healthy pathways in the brain.
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LEARNING ABOUT AVERAGE CHILD DEVELOPMENT...
•…can help caregivers provide toys and learning
experiences that are age appropriate
•Understand child development helps caregivers have
realistic expectations for what their child should be able to
do.
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HOW DOES TALKING TO INFANTS BENEFIT THEM?
•Talking to infants helps them learn about their environment
•The brain develops faster
•Talking to babies builds feelings of security
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CHILDPROOFING
•Allows for freedom of movement to explore their
environment which encourages intellectual
development
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HOW PLAY BENEFITS BABIES
Lets infants…
•Strengthen muscles
•Refine motor skills
• Learn about world
***Essential to physical, social, emotional & intellectual development***
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TOYS
A push or pull toy to crawl or walk after or containers they
can put things in and take things out of or toys to
manipulate are good for a 12-month-old
A 4 month old cannot crawl or walk or manipulate objects.
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BABY COMMUNICATION
Without words???
•Crying
•Movements or gestures
•Other sounds, such as giggles or coos
•Facial expressions
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Caregivers should avoid using baby talk so babies
learn how to speak correctly.
Babies are experts at repeating what they hear. If
they learn baby talk first, regular speech is more
difficult.
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SPEECH MILESTONES
•Voices excitement and displeasure – 4-6 month
•Says one or two words – 7 months – 1 year
•Puts words together – 1-2 years
•Talks about activities – 3-4 years
•Tells stories – 4-5 years
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