Her brain whirls as she staggers to her feet and runs clumsily for the truck stop behind the hospital.

The Troll commander noted the maneuver instantly, and his brain whirled with the new data, trying to understand.

Down, down we went into the darkness; my breath was gone and my brain whirled dizzily.

My brain whirled as I tried to find some answer to these monstrous contentions.

Sabat's brain whirled, trying to reason where logic was impossible.

Kane's brain whirled in his efforts to formulate some plan of action.

Harry's brain whirled with a fierce importance.

His brain had whirled with a thousand plans for these tiny lives, visions of the future both hopeful and dire, funny and fearful.

His brain whirled madly, incapable of absorbing everything that had happened since his arrival.

In fact, his brain whirled; a born telepath, able to read thoughts clearly, not just to receive fuzzy impressions!