Friday, April 11, 2014

Color and the Female Brain

Sensors in  human retina can detect red, green, and blue. What about yellow, orange, brown, purple, and so on? The brain helps you perceive those additional colors and others by mixing different amounts of red, green, and blue. Plus, each human brain "sees" in a slightly different way because each brain is unique. Estimates are that upwards of 15% of human females have an extra or fourth type of color photoreceptor due to a genetic mutation. These individuals can identify color differences that appear identical to most people who have only the three types of color photoreceptors. And the average male  brain, with its higher numbers of "M" cells (for motion) and smaller numbers of "P" cells (for perception) as compared with female brains, may "see" quite differently. It's just another good reason to avoid arguing about colors or about much of anything, for that matter. A three-type color photoreceptor retina will never perceive what a four-type color photoreceptor retina does . . .  

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