A newspaper reporter was asked to write a story on new and exciting findings in behavioral neuroscience. The editor suggested neurogenesis. Because the reporter is not familiar with the term he asked you. How will you describe this phenomenon?
a) The brain creates its own new neurotransmitters, which accounts for our individuality.
b) Contrary to past beliefs, new neurons can be created in the brain long after we are born.
c) Scientists have found that some of our memories are capable of being encoded in our genes.
d) Toxins in our environment are creating a new type of brain cell that is causing serious problems.
ANS: b
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The newspaper reported the case of a hospital employee who killed several patients by giving them injections of a chemical that takes the place of acetylcholine. Based on your knowledge of neuroscience,
you recognize that the substance is most likely to be a) curare. b) GABA. c) Zoloft. d) black widow spider venom.
When memories are stored, physical changes take place in brain activity and in the nerve cells. These physical changes are called
a. eidetic imagery. b. cross-stimulation. c. memory traces. d. axon diffusion.