Jody's horse looks just as black in the brilliant sunlight as it does in the dim light of the stable. This illustrates what is known as

Question

Quizplus · Accepted Answer

The fact that Jody's horse looks the same shade of black despite variations in lighting conditions suggests that our perception of the horse's brightness remains constant, known as brightness constancy. Choices A and B deal with broader concepts of perception that do not specifically relate to this example. The phi phenomenon refers to the illusion of movement created by a rapid series of still images.

Jody's Horse Looks Just as Black in the Brilliant Sunlight