Acuity

The hearing acuity of dogs is superior by far to that of humans.

Very low oxygen levels result in impaired judgment and ability to concentrate, lack of night vision acuity, shortness of breath, nausea, and fatigue.

The optometrist measures the patient's visual acuity.

You really seem out of intellectual depth with this particular subject at hand, it really seems like you've lost your intellectual acuity because of that subject.

The old woman with dementia lost her mental acuity.

And yet [Ray] Dalio’s acuity prompts an awkward question: how much of Bridgewater’s success comes not from the way it is organized, or any notion of “radical transparency,” but from the boss’s raw investment abilities?

Donald Trump’s frequently bizarre public appearances[…] have once again raised questions about his mental acuity, experts say. […] During his presidency, Joe Biden was subjected to intense speculation over his mental acuity – including from Trump.