Chapter 6 Flashcards
From ages 3-6 the typical child grows____
2-3 inches
Physical differences between wealthier children and poor children
Because wealthy children have more access to nutritional food, they tend to be taller and weigh more
When do baby teeth get replaced? How many baby teeth do they have and how many adult teeth?
They get replaced around age 6. They have 20 baby teeth that will be replaced by 32 adult teeth
Why do 40% of children get a cavity by age 5?
Inconsistent dental care and diets high in sugars and starches
What line of cerebral cortex grows fastest
Frontal lobes
What does growth in cerebral cortex look like from ages 3-15
It occurs in spurts followed by periods of vigorous synaptic pruning
What is increase of brain weight and size due to?
Dendritic connections and axon myelination
Increase in myelination in corpus callosum does what
Enhances speed of functioning throughout the cerebral cortex
What area of the brain has a significant increase in myelination in early childhood?
Cerebellum
Reticular formation
Part of brain involved with attention. Myelination is completed by ages of 5.
When is myelination in the hippocampus completed?
Age 5
Infantile amnesia
Inability to remember anything before age 2
Appetites in early childhood
Vary from day to day
Most common nutrient deficiency in the US
Calcium (foods with beans, peas, broccoli, and dart products)
problems with children’s diet in america
too much sugar carbs and fat. not enough nutrients. calcium deficiencies common
in developing countries, which diseases are most prominent
phenomia, melariaa, measles
why has childhood mortality declined?
better food sources going to developing countries and childhood vaccines
age for minor illnesses, why are they good?
7-10, it helps build immune system
in developed countries..most injuries and deaths are caused from..
motor vehicle accidents
other common ones are drowning, falls, fire and choking
handedness
preference for using the left or right hand in gross and fine motor activities (experience in uterus may be linked to handedness)
preoperational stage
ages 2-7 which child becomes capable of representing the world symbolically (ex-through language) but is still limited in ability to use mental operations
conservation
mental ability to understand that the quantity of a substance or material remains the same even if its appearances change
centration
pigets term for young children thinking as being centered or focused on one noticeable aspect of cognitive problem to the exclusion of other important aspects (neglect to notice change in width for pouring water into glass)
static reasoning
the assumption held by young children that things in the world are only one way and do not change (hearing someone call mom by her name)
irreversibility
lack of ability to reverse an action mentally (not seeing that amount of water is the same)
egocentrism
not being able to see things from others point of view
animism
aspect of egocentricism. tend to attribute human thoughts and feelings to inanimate objects or forces (thunder is angry and moon is following them)
classification
ability to understand that objects can be part of more than one cognitive group (ex-an object can be classified with red objects as with round objects)
executive function
mental processes and control over them, including working memory, controlling ones attention, cognitive flexibility, and self regulation
two parts of executive function
orienting system (controls other brain networks such as sensory system)
executive attention system (resolves competing actions in tasks where there is conflict and a choice must be made.
when does executive function get better (brain wise)
when orienting system and executive attention system get better connected to other parts of the brain
theory of mind
ability to understand thinking process in ones self and others
what becomes basis of pretend play
theory of mind (understanding someone can be pretending as well)
study that shows theory of mind/false belief task
sallyann hiding ball
(at age three, they believe it is in the new place, at age 4, they understand that they will look for it where they last saw it)
what relates to preoperational stage
theory of mind
diverse desires
understand people want and like different things