A single word that means "mental reaction speed"?

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Music by Eric Matyas
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Track title: Puzzle Game 3

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Chapters
00:00 A Single Word That Means &Quot;Mental Reaction Speed&Quot;?
00:53 Answer 1 Score 56
01:11 Accepted Answer Score 15
01:39 Answer 3 Score 14
01:57 Answer 4 Score 12
02:14 Answer 5 Score 10
03:01 Thank you

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Full question
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Tags
#singlewordrequests #americanenglish

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