My own brain reels when I try to understand.

For a moment her brain reeled; then it snapped back into clarity.

His brain was reeling dizzily-all sense of time and place seemed to be slipping away.

His brain reeled for a few moments with sheer fatigue.

Cameron's brain reeled slightly under the weight of all these alternatives.

My brain reeled, and I fell, deadly sick, against the end of the box.

There was enough here to set her aunt's brain reeling.

His brain reeled when he found his family business would not after all be necessary.

Kane's brain was reeling; his neck seemed ready to break with a little more pressure.

My brain reeled for a few minutes, trying to shift gears.