Tom's brain cleared as if someone had splashed him in the face with cold water.

His brain cleared and he looked at the screen bank.

For an instant, under the shock, his brain cleared and he stared at the dark shape with the fiery eyes in front of him.

He was still staring at her, but his brain was clearing.

She concentrated on the distant whirlybird, cleared her brain of everything else.

Her heart was still pounding, but her brain cleared enough to think.

His brain had cleared enough to tell him that when the police failed to find him, they would search this ground again.

His brain cleared as he once again got interested in his notes.

I have lost weight - I was too heavy anyway - and my brain has cleared.

His brain cleared and she became plain and frightened again.