PrepTest 148, Section 2, Question 26
There are some basic conceptual problems hovering about(451 more words not shown)
Which one of the following(8 more words not shown)
- AAlthough there are(18 more words not shown)
- BThe modular theory(28 more words not shown)
- CDuring the performance(31 more words not shown)
- DThe baseline measurements(24 more words not shown)
- EWhen a brain(19 more words not shown)
Reading the passage
Separate the measurement from the disputed interpretation. The third paragraph treats oxygen use as a measure of metabolic activity. The author questions what the subtraction image establishes about mental functions, not that basic measurement relationship.
What we’re looking for
So greater metabolic activity supports a higher oxygen-use rate. That is different from saying a region with the biggest increase from its own baseline must have the highest total activity.
Working the answers
- A
The author questions modularity rather than endorsing it for most cognition with a few exceptions. No proportion of cognition is assigned to independent modules.
- B
Neither the definition of modularity nor the discussion of subtraction says the theory requires unused regions to consume almost no oxygen. Do not turn the image’s misleading appearance into an additional doctrine of the theory.
- CCorrect
Oxygen-use rate stands as a measure of metabolic activity, so the most metabolically active regions during a task show higher oxygen-use rates than the rest. The criticism of interpreting difference images does not remove this underlying relationship.
- D
Activity in both conditions is not the same as high activity at all times. The baseline discussion does not establish either that degree or that unrestricted duration.
- E
The account does not report how many regions light up on a subtractive scan during anger. The example about anger and reasons cannot supply the results of an unreported scan.
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