Science Homework Help

Read the article and answer these questions:

1. What part of the brain is most directly involved with fear?
2. What part of the brain includes the two groups of neurons discussed in the article?
3. Describe how the memory of an unpleasant event is experienced by someone whose extinction neurons have influenced the memory.
4. Unfortunately, the effect of extinction neurons is not always permanent. What is the term for an instance of this non-permanence? What does the person feel?
5. The modern techniques that made this experiment possible are remarkable. At what level did we used to consider the brain, and at what level can we investigate now?
6. What conditions could be treated using this study and similar studies? Name at least two mentioned in the article.