Research by contemporary neuroscientists has shown that:
a. no new central nervous system cells are produced after infancy.
b. extended immobility can regrow severed spinal-cord axons in animals.
c. it is impossible to regrow spinal-cord axons after damage.
d. severed spinal-cord axons in an animal regrow if treated with certain nervous system chemicals.
Answer: d
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The developmental sequence for the hand component of catching is
A.palms of hands face upward; palms of hands face each other; palms of hands are adjusted to flight and size of oncoming object B.palms of hands face each other; palms of hands face upward; palms of hands are adjusted to flight and size of oncoming object C.palms of hands face upward; palms of hands are adjusted to flight and size of oncoming object; palms of hands face each other D.palms of hands face each other; palms of hands are adjusted to flight and size of oncoming object; palms of hands face upward
Which of the following statements about learning is true?
A) Learning and maturation are related but different concepts. B) Learning does not involve changes in thinking. C) Learning does not involve changes in behavior. D) Learning can occur without having an experience.