The assumption is that it correlates with the speed of other spatial tasks. Being able to predict the future of yourself and other players in how they are moving within the environment is useful for fps games.

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lll-o-lll 2 days ago | parent [-]

That’s your assumption, and if it were true there wouldn’t have been top level quake players who used inverted. Yet there are. I don’t think one follows the other.

	▲	charcircuit 2 days ago \| parent [-]
		To me it's more likely that those are outliers of the trend. Pros themselves are outliers, so I think it would be better to look at the average players.