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Author Question: Dana's mother suffers from serious depressive episodes. Dana is likely to a. be at risk for ... (Read 202 times)

newyorker26

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on: Jun 22, 2018
Dana's mother suffers from serious depressive episodes. Dana is likely to
 
  a. be at risk for depression herself.
  b. become a happy-go-lucky child because she had to cope with so much.
  c. act in an aggressive, criminal manner.
  d. have intense attachments to her mother.

Question 2

Compare and contrast the following: MRIs, PET scans, and fMRI.
 
  What will be an ideal response?


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kjo;oj

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Reply #1 on: Jun 22, 2018
Answer to Question 1

a. be at risk for depression herself.

Answer to Question 2

The MRI measures variations in magnetic fields. It then computes and depicts cross sections of organs such as the brain with great clarity. It is noninvasive and allows for visualization of all but the tiniest brain structures. Its major problem is the claustrophobic reaction some people have to the procedure. PET scans track substances as they are metabolized by the brain. They can show how the brain is functioning. They can help identify areas that aren't functioning normally that might not be obvious anatomically. Their major problem is low-fidelity pictures that have so far limited their value. The fMRI measures changes in blood flow in the brain. It is possible to map ongoing psychological activity and show which areas of the brain are involved in different activities. However, like MRIs, these are very sensitive to movement, which can cause false results. Also fMRIs are often very hard to interpret. GRADING RUBRIC - 6 points, 2 for accurately describing each imaging technique


newyorker26

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Reply #2 on: Jun 22, 2018
Thank you


kjo;oj

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Reply #3 on: Jun 22, 2018
No problem :)


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