What is one impediment to the regeneration of axons in the mammalian central nervous system?
a. Inhibitory chemicals secreted by the damaged portion of the axon
b. Bacterial infections caused by the decaying tissue
c. Glia releasing chemicals that inhibit axon growth
d. Inhibitory messages sent from the cell nucleus when an axon is damaged
Question 2
In operant conditioning, an individual's response leads to a reinforcer or punishment.
a. True
b. False
Indicate whether the statement is true or false
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