Brain Scan Quiz

May 2024
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Question 1

Of the following, which BEST describes the images produced by the study?

too indistinct to be considered matches
all very similar to the images provided
some very blurry, others recognizable
more detailed than the film clips shown to the participants

Question 2

What is the most likely reason why the study’s authors used themselves as test subjects?

They had been trained in visual retention skills.
They had exceptionally good eyesight.
They were motivated to keep still in the fMRI machine.
They had not seen the film clips before, so they were not biased.

Question 3

What is one thing that scientists will definitely need to pursue this line of research?

bigger computers
higher security clearance
safer anesthesia
more reliable power supply

Question 4

Which of the following is NOT likely to be an eventual use for the brain-scan process?

helping stroke victims communicate
probing the minds of captured spies
allowing mental patients to describe their hallucinations
stimulating the brains of people who can’t process visual information

Question 5

According to the Wikipedia article, what does fMRI measure?

the connection between the spinal cord and the brain
changes in blood flow in the brain
levels of electrical activity in the brain
radioactivity levels in the brain

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