Chapter 5: Physical and cognitive dev in early childhood Flashcards
What ages are early childhood
3 to 5
What happens to the rate of growth
It slows down (height and weight)
What’s the most obvious physical change in this period of development
Growth
How much does the average child grow and gain weight every year during early childhood
about 2 and a half inches in height
and 5 to 7 pounds
/year
What happens to chubbiness at the end of early childhood
Body fat slows down
Chubby babies often look leaner
What causes most of the variation in growth patterns
Genetics (heredity)
but environmental experiences too
What changes dramatically about the brain in this period
The local patterns within the brain.
The amount of brain material in some areas can nearly double, followed by a dramatic loss of unneeded cells
Where does the most rapid growth in the brain take place
The prefrontal cortex
What are some of the Key things the prefrontal cortex is involved in
Planning, organizing new actions and maintaining attention to tasks.
What are the two changes (that began before birth) that contribute to the brain’s growth
- The number and size of the dendrites increase
- Myelination continues
What is myelination
Process through which axons are covered with a layer of fat cells
-> which increases the speed and efficiency of information traveling through.
What are axons
Nerve fibers that carry signals away from the cell body
What is myelination important for (what abilities)
Myelination in some parts of the brain responsible for things like hand-eye coordination is not complete til age 4.
While other areas related to focusing attention is not complete until middle/late childhood.
What happens to motor development
It gets better, and explains higher level of physical activity
What are long-term negatives effects for children who fail to develop basic motor skills
- May be less able to join in group games
- participate in sports during school year and adulthood
What are gross motor skills
Abilities that involve the large muscles of the arms, legs and torso.
What happens the motor skills from beginning to end of this stage
They get better
How much sleep should they have
10 to 13 hours of good-quality sleep
What are some sleep problems that children can experience
- Narcolepsy
- Insomnia
- Nightmares
What are some developmental problems associated with sleep issues
- Being overweight or obese
- Having ADHD
What affects children’s eating behaviors
Caregivers’ behavior
Eating improves when caregivers eat with them on predictable schedules, make mealtime pleasant occasions.
What are the characteristics that enhance young children’s safety
- Social skills and ability to regulate emotions
- Impulse control (not going into street to catch a ball)
- frequent use of personal protections (ex helmets)
- Parent protective beh
- Home safety equipment (ex smoke alarms)
- absence of playground hazards
- Injury prevention and safety policies and programs
- Availability of positive activates
- active surveillance of environmental hazards
prevention policies
What one major danger to children from parents
Parental smoking
-> put them at risk for health problems ex asthma and tuberculosis
What’s Piaget’s first stage of development
The sensimotor stage: Where infant becomes increasingly able to organize and coordinate sensations and perceptions with physical movements
How long does the Preoperational stage last
From age 2 til 7
What happens in the preoperational stage
It’s Piaget’s second stage
Children here begin to represent the world with words, images and drawings.
They form stable concepts and begin to reason.
The child does not yet perform operations
What does ‘operational’ in Piaget’s terms mean
They are reversible mental actions that allow children to do mentally what before they could only do physically.
e.g. Mental adding and subtracting
What is Preoperational thought
The beginning of the ability to reconstruct in thought what has been established in behavior
What are the two substages of The preoperational stage of Piaget
- The symbolic function Substage
- The intuitive thought substage
What is the Symbolic Function Substage
The child (2-4 y/o) gains the ability to mentally represent an object that is not present.
- children use scribble design to represent things
- They use language more effectively
- Engage in pretend play
What are two limitations of the symbolic function substage
- Egocentrics
- Animism
What is egocentrism
Inability to distinguish between one’s own perspective and someone else’s perspective.
Who initially studied egocentrism
Jean Piaget and Barbel Inhelder
How did Jean piaget and Barbel inhelder study children egocentrism
By devising the three mountains task.
this experiment showed that children in the preoperational stage often pick their own view.
what is Animism
The belief that inanimate objects have lifelike qualities and are capable of action.
What is the Intuitive Thought Substage
The second stage of Piaget’s preoperational thought. between ages 4-7
Here children begin to use primitive reasoning and want to know the answers to all sorts of questions
Why does Piaget call the second stage of preoperational thought Intuitive
Because young children seem so sure about their knowledge and understanding, but they are unaware of how they know what they know
What’s is another limitation of preoperational thought
Centration
What is centration
A centering of attention on one characteristic to the exclusion of all other
How is centration most clearly evidenced
In young children’s lack of conservation.
What is children’s lack of conservation
The lack of awareness that altering an object or substance’s appearance does not change its basic properties.
What’s the beaker test
A test devised by Piaget to determine whether a child can think operationally
In the test, two identical cups contain the same amount of liquid then one of them is poured into another cup that is taller and thinner.
failing the test means children are still in the preoperational stage
What some dimensions of Conservation
(that children can’t conserve
Number, Matter and Length and area
sometimes, a child can conserve something but sot the other
What did Rochel Gelman say about the conservation task
That When attention is improved, they are more likely to conserve
He believes conservation appears earlier than Piaget thought and attention is esp. important in explainign conservation.