Archives for Physiology

10 Color Facts That Might Surprise You

Colors make up our visual landscape and influence our lives in both overt and subtle ways. However, there is much that is mysterious and surprising about colors.For example:1. In One Sense, Colors Do Not ExistColors are actually wavelengths that require a receiver or interpreter to make sense of them. Without eyes and a brain, what ...

What it Means to Be Color Blind

Color blindness is a vision deficiency in people that affects the way that color is perceived. It occurs when light-sensitive retinal cells don’t respond in the appropriate way to light wavelength variations.The eye’s retina contains both rods and cones, and it is an issue with the cones (or an outright absence of them) that is ...

Why Men and Women See Color Differently

There’s an old joke that when picking out colors for home décor, a woman may see differences between “fawn, ginger, cinnamon and chestnut,” while guys more or less just see “brown.” Azure, cerulean, cobalt and sapphire? If you’re a guy, that would be “blue.”However, this isn’t just a myth, and it isn’t just laziness on ...

How the Eyes and Brain Process Color

We take color and its perception for granted, but have you ever thought about how the processing of color takes place in the eyes and brain? It’s really pretty fascinating.Both the eyes and the brain work together in order to translate the things we see out in the world into color images. The eyes contain ...