The difference in brain activation patterns between people who were deprived of sleep and people who slept normally show us that _____
a) learning is significantly impaired by sleep deprivation.
b) most people aren't significantly affected by sleep deprivation.
c) because the brain works harder when sleep deprived, we may perform better.
d) because the prefrontal cortex shuts down, we can't learn very well.
Answer: a
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