15298214
Description
Quiz by Saddleback ARC, updated more than 1 year ago
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Created by Saddleback ARC
over 5 years ago
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Question 1
Question
Why does the article say that rapid weight gain in children’s brains after birth is not attributable to new neurons?
Answer
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Neurons grow, but mostly are later pruned off
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New neurons do not grow after birth, it is myelination of neurons and synaptic growth
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The brain doesn’t actually grow that much after birth
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Scientists can track the weight gain along with water consumption
Question 2
Question
Neural plasticity refers to:
Answer
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The idea that brains need structure to hang neurons’ connections
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The idea that brains need calm in order to create new pathways
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The idea that you have to use it or lose it, with regard to connections and pathways
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The idea that flexibility is dependent on neurons working with motor skills
Question 3
Question
What did Rosenzweig’s experiments with rats in enriched and deprived environments suggest about brain development?
Answer
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Environment really has nothing to do with brain growth or complexity
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Enriched environments cause brains to atrophy from not having to work for anything
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Deprived environments cause brains not to grow as well as enriched environments
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Deprived environments cause brains to grow more rapidly to create solutions in challenging circumstances
Question 4
Question
Which of these would NOT be an example of neural plasticity?
Answer
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Taxi drivers developing more complex mental maps of areas they frequent than normal people who just live in the same area
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Deaf dogs disliking chewing on pigs’ ear chews from pet stores
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Songbirds who store their food having greater special awareness of their local area
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Conductors being better able to locate and separate adjacent sound sources than non-musicians
Question 5
Question
According to the article, children are born with the ability to hear all phonemes produced by any language. Why do they lose that more universal language ability over time?
Answer
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Pathways that are used regularly are strengthened, while those that are not will atrophy
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It is psychologically important for humans to identify with only one culture or language
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Societies frown on children who cannot speak the native language without an accent
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New neurons appear in the brain that divert the attention of the brain
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