What is "disorientations"

Usage examples of "disorientations".

And now, as if to outdo all his previous disorientations, the deck stopped pressing against his boot-soles and he slowly began to rise unsupported into the air.

They told you what it was going to be, they pulled disorientations and sensory assaults, and learned the mem-techniques from the starship crew, and hoped you could get the threads back when you came out—but meanwhile you just kept talking to the computer and the carrier and moving your markers with the joystick, laying the strike and the strategy as if you were seeing it tamely on the light-table instead of on monitors, with numbers and grids floating in glowing colors.

They told you what it was going to be, they pulled disorientations and sensory assaults, and learned the them-techniques from the starship crew, and hoped you could get the threads back when you came out—but meanwhile you just kept talking to the computer and the carrier and moving your markers with the joystick, laying the strike and the strategy as if you were seeing it tamely on the light-table instead of on monitors, with numbers and grids floating in glowing colors.