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S/(L+M) neurons receive input from S-cells and is opposed by a sum of the L and M-cell inputs. S/(L+M) neurons are also called blue-yellow opponent cells. The opposition between the colours allows the visual system to interpret differences in colour, which is ultimately more efficient than processing colours separately. [1] [3]
The chemical makeup of the brain was nearly identical to the makeup of the peripheral nervous system. [1] The first large leap forward in the study of neurochemistry came from Johann Ludwig Wilhelm Thudichum , who is one of the pioneers in the field of "brain chemistry."
Three types of retinal cone create signals that get transformed in the visual pathway to create the perception of color. [1] [5] However the neurons processing them in the retina, lateral geniculate nucleus, and V1 and V2 early parts of the visual cortex encode using the opponent process only a limited range of colors that does not reflect the dimensions of perceptual color space. [6]
Color processing in the extended V4 occurs in millimeter-sized color modules called globs. [30] [31] This is the part of the brain in which color is first processed into the full range of hues found in color space. [37] [30] [31] Anatomical studies have shown that neurons in extended V4 provide input to the inferior temporal lobe. "IT" cortex ...
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Neuromelanin gives specific brain sections, such as the substantia nigra or the locus coeruleus, distinct color. It is a type of melanin and similar to other forms of peripheral melanin. It is insoluble in organic compounds, and can be labeled by silver staining. It is called neuromelanin because of its function and the color change that ...
The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. The study of chemical structure by means of energy absorption and release is generally referred to as spectroscopy .