negative afterimage การใช้

• Sperling s first publication,  Negative Afterimages Without Prior Positive Images,  was in visual psychophysics.
• Neuroscientists know why a negative afterimage appears _ the pattern simply exhausts nerve cells that sense white spokes.
• Following that, Br點ke studied the eye's absorption of various light rays, the mystery of color sensation, and positive and negative afterimages.
• 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 ).
• 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.