Len's mind wasn't shifting around through emotions, but it didn't have to be.

Then his mind shifted gear and he looked at Pitt piercingly.

He felt suddenly thirsty, and his mind shifted to the old well back at the manor house.

Brigham's mind had shifted suddenly, completely, from the man in the bed to the woman by the window.

He lay there for several minutes until his mind slowly shifted into gear.

His mind shifted into a speed of computation he had never before experienced.

As I pounded around the track my mind shifted gears.

My mind started to leave the crisis at hand, and shifted to the black tear streaming down her cheek.

His mind had already shifted modes, and taken him back to his past.

His mind shifted out of idle, where it had been for hours.