the smallest change in stimulation that a person can detect
the quality of being unlike or dissimilar
a variation that deviates from the standard or norm
a disagreement or argument about something important
the starting point for a new state or experience
the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
the smallest detectable sensation
