Abstract
Positive visual after-images have been formed with white light stimuli of different angular size, and measured with a binocular matching apparatus. Different power-law decay curves were found for large and small stimuli and these are attributed to the influence of rod receptors in the former. Monochromatic stimuli in the red, green and blue-green were used to form after-images. The different exponential decay curves produced are attributed to the action of three different types of colour receptor. From the time constants of after-image decay it is suggested that the cause of the after-image may be predominantly electrical rather than photo-chemical.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
