Question : Comprehension:
In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
A recent study that (1)__________ people's brains at different points in their workday (2)__________ high-demand tasks which require intense, constant concentration can lead to the buildup of a (3)__________ toxic chemical called glutamate. Normally used to (4)__________ signals from nerve cells, in large quantities glutamate alters the (5)__________ of a brain region involved in planning and decision-making, the lateral prefrontal cortex (IPFC).
Question:
Select the most appropriate option to fill in the blank number (5).
Option 1: performance
Option 2: synergy
Option 3: radiation
Option 4: ensemble
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Correct Answer: performance
Solution : The correct choice is the first option.
The sentence discusses the impact of glutamate on a brain region, specifically the lateral prefrontal cortex (IPFC), involved in planning and decision-making. Using "performance" in this context suggests that the alterations caused by glutamate influence the functioning or operational effectiveness of this brain region.
Therefore, the correct word is performance.
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