Category: Color Vision

04/03/2015 #blackandblue | #thedress | #whiteandgold | Color Constancy | Color is in the Brain | color is relative | lighting Feitosa-Santana

The Neuroscience of #TheDress

Color perception is as relative as human perception in general, and it is easy to understand this statement if we use price as an example. The dress in question costs 77 dollars. This is expensive or cheap? It Depends. It is nothing to a Hollywood actress, but expensive for a beggar anywhere in the world. […]

13/07/2013 chicago museum of science | Color is in the Brain | education | entertainment | Isaac Newton Light and Color | john werner | physical stimulus | science | science for lay people | visual stimulus | wavelengths of light Feitosa-Santana

Museum of Science and Industry, Chicago: Review

According to the Museum of Science and Industry (Chicago, IL) “the color of an object is determined by the specific wavelengths of lights that it absorbs and reflects” but THIS IS NOT TRUE. This wrong definition is presented in the Color Booth and situated in the Science Storm Exhibition. Here are some explanations about why color […]

30/04/2012 Geoffrey Pullum | Laura Martin Feitosa-Santana

The Eskimo Snow Vocabulary Hoax

It is well known that humans have an eagerness to embrace exotic facts, and here we have an old hoax that is still believed to be true by many of us: the Eskimos and their dozens or even hundreds of different grades of snow. Some people still believe that Eskimos are able to perceive more […]

06/04/2012 Color is in the Brain Feitosa-Santana

Color is in the Brain

Color is often thought to be a quality of light but this is not so. For example, the expression the ocean is blue uses a perceptual experience of blueness to describe the physical light. Color itself is not in the light. Color is a perceptual phenomenon determined by neural processes in the brain. The region […]