Myelination occurs in
A. motor systems before it occurs in sensory systems.
B. sensory systems before it occurs in motor systems.
C. interneurons before either motor or sensory systems.
D. interneurons, sensory systems, and motor systems all at the same time.
Answer: B
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Based on PET scanning studies, why are 4-year-olds likely to become engaged quickly when exploring a children's museum, but become mentally fatigued after a short time and want a snack?
A. They are still growing and need frequent snacks to avoid falling asleep from fatigue. B. They are easily bored and a snack is more interesting than museum exhibits. C. Their brains are using energy at a very high rate, and they need to reenergize by resting and having a snack. D. Museums are not designed to sustain young children's interest.
Research on situational factors that influence helping demonstrates that
a. the relationship between population size and helping is inconsistent. b. the higher the cost of living, the more likely people are to help. c. the greater the population size, the more likely people are to help. d. the relationship between time pressure and helping is inconsistent.
What part of an overhead projector would be most like the myelin found in the brain?
a. The insulation covering the extension cord, as this insulation helps transmit the electrical energy more efficiently b. The light bulb, as myelin becomes highly active when it receives energy c. The reflecting mirror, as the purpose of myelin is to reflect away neurotransmitters d. The long arm holding up the reflecting mirror, as the main function of the myelin is as a conduit through which electrical chemical energy flows within the neuron
Those with CD with limited prosocial emotions may be especially resistant to treatment because of which of the following?
a. They are less willing to establish a trusting relationship with a therapist. b. They will hide medication instead of taking it. c. They may be less sensitive to reinforcement. d. They view their behavior as less problematic than others with CD do. Those with CD with limited prosocial emotions may be especially resistant to treatment because of which of the following?