Glial cells are important for brain development because they ______.
A. make it possible to sense the world, think, and move the body
B. help parts of the brain to communicate with each other
C. instruct neurons to form connections with other neurons
D. influence synaptic pruning which leads to cognitive efficiency
Answer: C
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Evolutionary psychology applies the principles of modern evolutionary biology to explain
a. structural adaptations. c. animal behavior. b. natural selection. d. human behavior.
Using the latest version of the Stanford-Binet test, if someone were to receive an IQ score of 109 today, it would mean that the person
a. scored lower than 50 percent of those who took the test. b. had a "normal" IQ. c. could be classified as having "superior" intelligence. d. was "developmentally disabled."
One of the major reasons that frontal lobotomies are no longer performed today is that they
A. were difficult to perform. B. were costly to perform. C. were unacceptably destructive. D. caused only small changes in behavior.
Which of the following are tiny sacs in an axon terminal that release chemicals into the synapse?
a) synaptic vesicles b) synaptic nodes c) terminal buttons d) synaptic gaps