Found inside – Page 114There is one type of receptor for each primary color ( red , blue , green ) ... must be before your eyes can resolve them - when you can see them as two ... Found inside – Page 418... pentachromics , and hexachromics , or those that recognize two , three , four , five , or six separate colours respectively . ... On the Young - Helmholtz hypothesis one can imagine for instance that an individual without receptors for red would fail ... to be stimulated by all rays beyond the blue of the spectrum , and an unscreened receptor would be stimulated by the ... Light from the green of the spectrum would stimulate the yellow - screened and unscreened receptors , but not the red ... Found inside – Page cxlviiiBecause of the way red-green color blindness is genetically transmitted, it is much more common ... Green and red cannot both be stimulated simultaneously. Found inside – Page 342Newton showed white light to be a mixture of all the colors of the visible ... if the reflected light stimulates the green and red receptors of the eye, ... Found inside – Page 191For example, there are no receptors especially sensitive to yellow. Yet when both red-sensitive and green- sensitive cones are stimulated, we see yellow. Found inside – Page 35For instance , stimulation of the red and green receptors by equally ... Land has recently demonstrated how colour perception can be stimulated by only two ... Found inside – Page 226Spectral colours other than these will stimulate two sets of receptors, ... can be simulated by mixing red and green light in the correct proportions. Found inside – Page 209For example , there are no receptors especially sensitive to yellow . Yet when both red- and green - sensitive cones are stimulated , we see yellow . Found inside – Page 160For example , there are no receptors especially sensitive to yellow . Yet when both redand green - sensitive cones are stimulated , we see yellow . Found inside – Page 8Two different light spectra which have the same effect on the three color receptors in the human eye (same ratio of stimulation of red, green, ... Found inside – Page 157Extreme cold and extreme heat feel almost the same—both are painful— because the pain receptors are being stimulated. Thermoreceptors are strongly ... Found inside – Page 49The primary colors of additive mixtures are red , green , and blue . ... No one primary color can be matched by a mixture of the other two . Found inside – Page 203Although the colour is intended for the vehicles to be easily seen and ... The result , in both cases , is simultaneous stimulation of red and green ... Found inside – Page 147Since blue light stimulates the blue receptors and yellow light stimulates the green and red receptors , the combination of blue ... of cone receptors , but the sensitivity curves overlap- all three in the case of those who are totally color - blind and two in the ... Simultaneous contrast can be explained by assuming that the firing of some receptors inhibits the firing of the neighboring receptors of the same type . Found inside – Page 91This occurs because the receptors previously most stimulated have lost their ... The additive light primaries, red, green and blue, are complementary to the ... Found inside – Page 17However, light affects the sensitivity of only the receptor cells that absorb it ... sensitive to green light, then the red-sensitive receptors will be more ... Found inside – Page 199For example, there are no receptors especially sensitive to yellow. Yet when both red-sensitive and green-sensitive cones are stimulated, we see yellow. Found inside – Page 12This is readily explained by means of the colour response curves of Fig . 1.5 . It can be seen that radiation of wavelength 590 nm will stimulate the red and green receptors , and mixing of these two sensations in the brain gives the sensation of ... Found inside – Page 187Yet when both redand green - sensitive cones are stimulated , we see yellow . ... Combining red , blue , and yellow means no light waves will be reflected ... Found inside – Page 10... were weakly stimulated , or not stimulated at all ( being the red and green receptors equally stimulated ) . According to Sève ( 1996 ) , by considering ... Found inside – Page 154Like the retinal cells, each cochlear cell can be stimulated by nearby frequencies presented ... Suppose that there are two receptors, green and yellow-red, ... Found inside – Page 704If on the other hand the test object is intermediate in hue , for example yellow , then both green light and red light will be reflected by this object , and thus both the red and the green receptors will receive stimulation , the consequences being ... Found inside – Page 167Although all cones can be stimulated by most wavelengths to varying degrees, ... yellow is produced by the activity of red and green receptors. Found inside – Page 268Combined stimulation of a red receptor and a green receptor, for example, ... If that is so, there had to be few receptor types—if there were fifty or a ... Found inside – Page 216If red - green receptor is stimulated either red or green is perceived and not both . Each of the primary colours may be produced ... Found inside – Page 245be obtained by stimulating one eye with red light and the other with green . Probably , as Kungl has suggested , a combination of activity in both red and green receptors produces a sensation of yellow , and when this is combined with ... Found inside – Page 91The red and green receptors appear to be far more sensitive than the blue and ... It may be that the stimulation of one of the linked pairs of receptors for ... Found inside – Page 145In Figure 4 two receptors , Red ( 3 ) and Green ( 3 ) , are being stimulated by the number of units of light required to produce a firing rate of 100 impul ses per second in each receptor . The 100 units of stimulation to the " red " receptor , Red ( 3 ) ... Found inside – Page 246the basis of the probable spectral sensitivity curves of the receptors , stimulate the red receptors to an extent which is ... smaller than , the stimulation of the green receptors , whereas with a red adaptation , the red stimulation is likely to be ... Found inside – Page 157Extreme cold and extreme heat feel almost the same—both are painful— because the pain receptors are being stimulated. Thermoreceptors are strongly ... Found inside – Page 300Thus, red, green, and blue lights can be chosen to produce white, purple, yellow, or any of the various intermediate colors. ... receptors; hence its complementary color is yellow, which stimulates both the red receptors and the green. Found inside – Page 20Human beings have two types of receptors called 'rods' and 'cones', ... Thus a stimulation of a red receptor and a green receptor will give a result ... Found inside – Page 241And those colors are, in fact, red, green, and blue. When we stimulate combinations of these cones, we see other colors. For example, there are no receptors ... Found inside – Page 22Primaries could be located at the blue and red ends of the spectrum at say 440 nm and ... Applying the criteria of minimum stimulation of adjacent receptor ... Found inside – Page 222... the so-called red receptors are stimulated, and one has the sensation of red; if a green light is shown, the green receptors are stimulated, ... Found inside – Page 24a u s i y t i u c a l Theories of Colour Vision 0.05 The two best-known ... as being due to the simultaneous stimulation of red and green receptors and ... Found inside – Page 175... of both spaces into the red. Thus, flowers which stimulated insects' blue and green receptors have evolved convergently and stimulate the red receptor ... Found inside – Page 47On the plus side, the optical measurement of the absorbing molecules can be done in ... when the red and green receptors receive equal stimulation (see Fig. Found inside – Page 104Because of the way red–green color blindness is genetically transmitted, it is much more common ... Green and red cannot both be stimulated simultaneously. Found inside – Page 218Color Perception You have already learned how the stimulation of cones is involved in ... For example , a red - green complex would be a retinal unit whose ... Found inside – Page 135lated equally , you perceive purple ; when your blue , green , and red receptors ar stimulated equally , you perceive gray . ... A mixture of two vivid noncomplementary colors would be produced by a mixture of the lights producing each of the ... Found inside – Page 96Two nineteenth-century German scientists, Hermann von Helmholtz (1821–1894) ... For example, when red and green receptors are stimulated at the same time, ... Found inside – Page 23Similarly, blue– green light stimulates M cones more than L cones, ... as being due to the simultaneous stimulation of red and green receptors and their ... Found inside – Page 270Both types of structures would be stimulated simultaneously , but to a lesser ... whereas the two genes for the red - absorbing and green - absorbing opsins ... A strength of Concepts of Biology is that instructors can customize the book, adapting it to the approach that works best in their classroom. Found inside – Page 102The resulting evidence indicates that both theories of color vision are accurate . ... Green and red cannot both be stimulated simultaneously . Found inside – Page 191If two lines are the same length on the retina, but one is apparently ... then only the red receptors will be stimulated, and if only a green light is shone ... Found inside – Page 165Radio waves and microwaves are frequencies of light that cannot be seen. ... between red and green, both sets of receptors will be stimulated equally. Found inside – Page 166unit , and ( c ) the green receptors of the tricolour unit , and the consequence will be the perception of yellow , but owing ... the green , and the bluegreen receptors , so that the dichromatic yellow light stimulates both the red and the bluegreen ... 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