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A brainbow of mouse neurons from Smith, 2007. Brainbow was initially developed by Jeff W. Lichtman and Joshua R. Sanes at Washington University in St. Louis. [1] The team constructed Brainbow using a two-step process: first, a specific genetic construct was generated that could be recombined in multiple arrangements to produce one of either three or four colors based on the particular ...
Opponent-process theory is a psychological and neurological model that accounts for a wide range of behaviors, including color vision. This model was first proposed in 1878 by Ewald Hering, a German physiologist, and later expanded by Richard Solomon, a 20th-century psychologist.
The colour centre is a region in the brain primarily responsible for visual perception and cortical processing of colour signals received by the eye, which ultimately results in colour vision.
Hue cancellation experiments start with a color (e.g. yellow) and attempt to determine how much of the opponent color (e.g. blue) of one of the starting color's components must be added to reach the neutral point. [12] [13] In 1959, Gunnar Svaetichin and MacNichol [14] recorded from the retinae of fish and reported of three distinct types of cells:
Raichle coined the term "default mode" in 2001 to describe resting state brain function; [19] the concept rapidly became a central theme in neuroscience. [20] Around this time the idea was developed that this network of brain areas is involved in internally directed thoughts and is suspended during specific goal-directed behaviors.
If, for example, M cones could be excited alone, this would make the brain see an imaginary color greener than any physically possible green. Such a "hyper-green" color would be in the CIE 1931 color space chromaticity diagram in the blank area above the colored area and between the y axis and the line x+y=1. [citation needed]
Colored hats are used as metaphors for each direction. Switching to a direction is symbolized by the act of putting on a colored hat, either literally or metaphorically. This metaphor of using an imaginary hat or cap as a symbol for a different thinking direction was first mentioned by De Bono as early as 1971 in his book "Lateral Thinking for ...
Many people feel colored objects appeal to the pattern recognition section of the brain. Others advocate that you can begin a modeling process with a stack of four-color note cards or colored sticky notes. The value of color modeling was especially obvious when standing back from a model drawn or projected on a wall.
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