Found inside – Page 16In fact , and Blue , while the peripheral zone is these two yellows will be indistinguish- insensitive to all colors and is ... in front of one eye the vibrations of red , and the other two and a green glass placed in front of the receptors stimulated by ... Found inside – Page 96For example, when red and green receptors are stimulated at the same time ... Instead of being red, white, and blue, this flag is green, black, and yellow. Found insideAn action spectrum for the response shows that both blue and red light are effective, ... and neither phytochrome nor a blue-light receptor need be invoked. 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 394As mentioned above , the red receptor has the smallest time constant and the blue one the greatest . The series ... In this way , selective stimulation of various color receptors would be possible merely by varying the duration of the test pulse . Found insidereceptor sensitive to a primary color (red, green and blue). ... red + blue + green After red fatigue (the red cones cannot be stimulated) White = red (-) + ... 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 19Thus , the receptors are both retinal and encephalic , although neither has been identified morphologically . ... directly , but in intact animals only orange - red light when applied directly to the head penetrates sufficiently to be stimulating . ... However , Benoit points out that the shorter wave radiations such as blue , green , and yellow can stimulate or induce a testicular response at very high energies . Found insideRed-shifted ChrimsonR (aka Chrimson) was designed to be used alongside blue-stimulated Chronos to allow independent excitation of two neuronal populations ... Found inside – Page 91This occurs because the receptors previously most stimulated have lost their ... the blue rays converge to the front of the retina, and the red rays to the ... Found inside – Page 165One receptor detects red, one green, and other blue. A color that is between two wavelengths that the receptors detect will stimulate each of the two ... Found inside – Page 57... millimicrons 700 millimicrons Red Violet Blue - green Yellow - green Orange -450 ) ( ( 650) there were two receptors , each ... In addition to the network operation involved in the stimulation of the optic nerve , it should also be noted from the ... Found inside – Page 1966 blue ” ( Roaf , 1930 ( ii ) ) were correct , namely , that there are three sets of receptors , one sensitive to the whole of the spectrum , a second sensitive to “ red ” and “ green , ' and a third stimulated only by “ red ” ; thus “ red ” light stimulates all three sets , “ green ” stimulates two , and “ blue ... If “ red ” light stimulates all three sets of receptors , the red sensation must be accompanied by inhibition of nerve ... Found inside – Page 245be obtained by stimulating one eye with red light and the other with green . ... in both red and green receptors produces a sensation of yellow , and when this is combined with stimulation of the blue receptors a sensation of white results . Found inside – Page 166unit , and ( c ) the green receptors of the tricolour unit , and the consequence will be the perception of yellow , but owing to the activity ... the green , and the bluegreen receptors , so that the dichromatic yellow light stimulates both the red and the bluegreen receptors of the R ... is attempted on the other , and which requires in consequence the pure yellow to be desaturated by some admixture of blue light . Found inside – Page 28430 - 490 nm Blue 490 - 560 nm Green 560 - 590 nm Yellow 590 - 630 nm Orange 630 - 770 nm Red ( nanometers ... Equal stimulation of the receptors results in the brain perceiving white but the receptors need not be so stimulated . ... The second theory contains tricolor receptors and two subsidiary units ( Y - B , and 28. 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 81( B ) In near vision , the pigment that responds to red light , some conciliary muscles contract , the suspensory ligaments ... of wavelengths in the light entering the eye , the red , green and blue cones will be stimulated in different proportions and to ... of color - receptor unknown reason about 10 percent of men are Color vision is a synthesis of red , green and blue light ... In the test card above , both the fork and It is believed that three specialized types of cones exist - one such as those of ... Found inside – Page 659The two receptors on each side are connected to the same bipolar cell through ... Signals by the Ganglion Cells A single ganglion cell may be stimulated by ... 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 24Simlarly, bluegreen light stimulates M cones more than L, while blue light ... as being due to the simultaneous stimulation of red and green receptors and ... Found inside – Page 14The edge of hypercomplex cells must be short. ... Protanomalous people lack the red receptors and instead they have two pigments both peaking in the range ... 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 175Thus, flowers which stimulated insects' blue and green receptors have evolved convergently ... Red, as a floral color, is considered to be highly advanced. 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 384For small G proteins, the intrinsic GTPase activity is greatly stimulated by ... This suggests that the red/far-red receptor phytochromes may be involved in ... 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 35Notice the relatively low blue sensitivity , and the difficulty of red - green ... be stimulated in any ratio by a spectrum of light and this produces the ... Found inside – Page 342An object, therefore, appears blue, green, or red if the light reflected from its surface stimulates only the corresponding receptors of the eye. Found inside – Page 63... and two hue channels , red - green and yellow - blue ( Table 1 ) . A fuller description of the relationship between wavelength and colour can be found ... Found inside – Page 114Receptors sensitive to red and blue , when stimulated , cause us to see purple ... must be before your eyes can resolve them - when you can see them as two ... Found inside – Page 167Although all cones can be stimulated by most wavelengths to varying degrees, ... to wavelengths that correspond to blue, green or red (Figure 5.15). Found inside – Page 172and red receptors become less plentiful, and finally there existed an area in ... different colors were perceived: purple when blue and red were stimulated, ... Found inside – Page 13receptor) (Siuda et al., 2015), light-sensitive metabotropic glutamate ... stimulation experiments using both blue light and yellow or red light to activate ... Found inside – Page 300Thus, red, green, and blue lights can be chosen to produce white, purple, yellow, or any of the various intermediate ... the blue-sensitive receptors; hence its complementary color is yellow, which stimulates both the red receptors and the green. 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 12receptors , and hence neutralisation of the colours in the brain can again take place . ... region 400_480 nm , all blue and violet light will be removed , and the observer will register the emergent colour as yellow . ... 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 yellow in the usual way . 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 118(a) One (b) Two (c) Three (d) None of the above The carotenoid Zeaxanthin has been shown to be blue-light receptor in ........... that plays a central role ... 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, and blue ... Found inside – Page 15If now we take a third lantern and screen its light with a violet - blue glass whose spectral transmission corresponds with Fig . ... to the gradual change in the relative stimulation of the blue and green receptive mechanisms , both being equally activated by the radiations we call blue - green . The sensation aroused by spectral yellow is the result of stimulating in equal degrees the red and green receptors ... 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 89Some must be sensitive to red light, some to green, and some to blue. We see other colors when two different types of color receptors are stimulated. The perception of yellow, for example, would result from the simultaneous stimulation of ... Found inside – Page 132If we stare at a blue surface too long , the sensitivity of the blue receptors is diminished . Then , when we shift our gaze to a white surface , the red and green receptors will be stimulated by the long and medium wavelengths , and a yellow after ... Found inside – Page 154The identical neural response could be due to an intense blue or yellow light ... But light at that frequency will also stimulate the yellow-red receptors ... At the blue and red ends of the neighboring receptors of the neighboring receptors the! 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