If you came home to your apartment in the very early hours of the morning and did not wish to wake your roommate by turning on the lights, you would likely rely upon to aid you in avoiding obstacles in the apartment that might cause injury or noise.

If you came home to your apartment in the very early hours of the morning and did not wish to wake your roommate by turning on the lights, you would likely rely upon tactioception (sense of touch) or explicit memory to aid you in avoiding obstacles in the apartment that might cause injury or noise. You're likely to touch objects as you make your way around the house or recall consciously where certain objects are placed around the area.