decrement

"There's no good evidence that it causes a long-term or permanent decrement in your memory, but it definitely interferes with people's ability to sort of encode new information."

The best evidence shows children “read faces” even if masked, and people compensate for decrements in acoustical performance, talking more slowly, loudly and gesturing.

We are all humans and we are all prone to the performance decrements of fatigue.

“It might mean accepting a decrement to your performance — that this was your comeback event where you adapted and got on track,” Trappe said.

“But the administration should be acknowledging that it is in fact a readiness decrement.”