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Behavioral Neuroscience Chapter 4 Pretest

Biology10 CardsCreated about 1 month ago

This deck covers key concepts from Chapter 4 of Behavioral Neuroscience, focusing on genetics, brain development, and neuroplasticity.

Twin studies of heritability have found that so-called identical (monozygotic) twins may be different in important ways

True
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Key Terms

Term
Definition
Twin studies of heritability have found that so-called identical (monozygotic) twins may be different in important ways
True
Epigenetics deals with how experiences can turn genes on and off
True
Kin selection - protecting those who are closely related to you - may provide an evolutionary explanation for altruism
True
Studies of the hippocampus suggest that, just as our bodies replace skin cells, we replace about 10% of neurons each year
False
Axons make connections at random, but the connections that are not useful get pruned
False
Neurotrophins control the survival of neurons in the brain
False

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TermDefinition
Twin studies of heritability have found that so-called identical (monozygotic) twins may be different in important ways
True
Epigenetics deals with how experiences can turn genes on and off
True
Kin selection - protecting those who are closely related to you - may provide an evolutionary explanation for altruism
True
Studies of the hippocampus suggest that, just as our bodies replace skin cells, we replace about 10% of neurons each year
False
Axons make connections at random, but the connections that are not useful get pruned
False
Neurotrophins control the survival of neurons in the brain
False
Studies of professional musicians have found thicker gray matter in several cortical areas.
True
Adolescents show weaker responses in areas of the prefrontal cortex responsible for inhibiting behaviors
True
When a mature mammalian brain is injured, there is a flurry of axons sprouting to replace damaged axons
False
Phantom limbs develop when the relevant portion of the somatosensory cortex reorganizes and becomes responsive to alternative inputs
True