Does being colorblind affect the afterimage effect?
How it works
COnclusion
In the retina of your eyes, there are 3 types of color receptors, called cones, that are most sensitive to either red, blue or green. When you stare at a particular color for too long, these receptors get tired. So when you then look at a white background, the receptors that are tired do not work as well. Therefore, the information from all of the different color receptors is not in balance and you see the color's "afterimages."
- Knowing that every color/shade has a complementary color except, gray, people with color blindness who see the certain color even though it may not be the right color at all, will still see an afterimage because the "afterimage" is the complementary color of the colors on the picture.
Subtypes of Color Blindness
- Protanomaly- Red/Green Color Blindness
- Tritanomaly - Blue/Yellow Color Blindness
- Deuteranomaly- Also Red/Green Color Blindness
- Rod and Cone Monochromacy- Total Color Blindness
AfterIMage Effect
Complementary COlors
(n.d.). Retrieved May 13, 2015, from http://www.stonesc.com/wordpress/wp-content/uploads/cvd-examples-2.png
- The Afterimage Effect is the visual illusion in which retinal impressions persist after the removal of a stimulus, believed to be caused by the continued activation of the visual system.
What is color blindness
- Every color has a complementary, or opposite, color on the color wheel. Complementary colors are pairs of colors which, when combined, cancel each other out. This means that when combined, they produce a grey-scale color like white or black. When placed next to each other, they create the strongest contrast for those particular two colors.
(n.d.). Retrieved May 15, 2015, from http://oi41.tinypic.com/357mw08.jpg
- Color blindness, or color vision deficiency, is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions. There is no actual blindness.
- There are different types of color blindness: Anomalous Trichromacy, Dichromacy, Monochromacy.
- Each type has a subtype which is more specific of what colors are changed to a person.
Causes of color blindness
- Non-Hereditary Color Blindness:
- Shaken Baby Syndrome
- Trauma
- UV Damage
- Inherited Color Blindness is usually caused by a mutation of the X chromosome. Color Blindness is most likely to occur with males than females because males have 1 X chromosome but females have 2 which makes it so the normal X chromosome will protect the women from being color blind.
(n.d.). Retrieved May 15, 2015, from https://mrwayrynenphoto.files.wordpress.com/2015/05/colour-wheel-complementary-colours-desktop-resolution.gif
Ryan Coburn p.2
A.P. Psychology
Mrs.Neethling
May 26, 2015
Bibliography
- (n.d.). Retrieved May 20, 2015, from http://faculty.washington.edu/chudler/after.html
- Causes. (2009, April 13). Retrieved May 20, 2015, from http://www.colour-blindness.com/general/causes/
- How it Works (science). (2009, April 18). Retrieved May 20, 2015, from http://www.colour-blindness.com/general/how-it-works-science/
- Purves, D. (n.d.). Retrieved May 20, 2015, from http://www.ncbi.nlm.nih.gov/books/NBK11059/
- The Perfect Palette for Complementary Colors. (n.d.). Retrieved May 20, 2015, from http://info.californiapaints.com/bid/176850/The-Perfect-Palette-for-Complementary-Colors