Sperling s first publication, Negative Afterimages Without Prior Positive Images, was in visual psychophysics.
2.
Neuroscientists know why a negative afterimage appears _ the pattern simply exhausts nerve cells that sense white spokes.
3.
Following that, Br�cke studied the eye's absorption of various light rays, the mystery of color sensation, and positive and negative afterimages.
4.
They argued that with gratings, prolonged fixation of the stimuli builds up a negative afterimage that will tend to cancel the real images, making both invisible ( a form of neural adaptation ).
5.
This theory also explains negative afterimages; once a stimulus of a certain color is presented, the opponent color is perceived after the stimulus is removed because the anabolic and catabolic processes are reversed.
मोबाइल