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Author Question: Name and describe two different methods for measuring brain function (not anatomy). What will be ... (Read 65 times)

Lobcity

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on: Jun 22, 2018
Name and describe two different methods for measuring brain function (not anatomy).
 
  What will be an ideal response?

Question 2

The concentration of 5-HIAA in the blood, cerebrospinal fluid, or urine provides an estimate of ____.
 
  a. serotonin stores
 b. serotonin turnover
  c. dopamine stores
 d. dopamine turnover


lcapri7

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

PET scan: Uses an injection of a radioactive substance that, as it decays, produces gamma rays that are detected outside of the head. Greater radioactivity in a particular area indicates greater blood flow to that region.
fMRI: The presence of hemoglobin with oxygen acts differently in a magnetic field than hemoglobin without oxygen. Because active areas of the brain use more oxygen, these areas can be detected by MRI equipment that is sensitive to these magnetic differences.

Answer to Question 2

b


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Lobcity

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Reply #2 on: Jun 22, 2018
Thank you!


lcapri7

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Reply #3 on: Jun 22, 2018
Happy to help


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