One explanation for the risk-taking peak that scientists have observed in adolescence is that
A. few or no adolescents are capable of conducting a cost-benefit analysis.
B. the prefrontal cortex is fully developed years before the limbic system is active.
C. adolescents tend to be higher in sensation seeking and impulsivity than children and adults are.
D. adolescents are not aware of the risks associated with certain behaviors.
Answer: C
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Which is a scale of data measurement that involves ordered categorical responses?
A. ordinal scale B. nominal scale C. interval scale D. ratio scale
Virtually all studies done in psychology rely on studying people representative of a larger group. The groups of people who participate in these studies are most commonly known as a. samples
b. populations. c. mesosystems. d. independent variables.
Without stimulation and the opportunity to function, neurons are
a. unlikely to establish or maintain many connections with other neurons. b. likely to establish and maintain many connections with other neurons. c. likely to establish new connections but not maintain any old connections with other neurons. d. unlikely to establish new connections, allowing for the strengthening of old connections with other neurons.
Imagine a genetic mutation occurs that prevents cerebrospinal fluid from developing. What is the most likely consequence for individuals with this mutation?
A. Nerve cells are unable to communicate. B. Brain damage is much more likely to occur, because the cushioning of CSF is lost. C. Nerve conduction velocity will be reduced. D. Hydrocephalus will occur.