Page 370 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Composition of sunlight B. Color triangle

λ (nm)
White light 700 525

590 500
600
490
612
Prism White
500
670 460
Beyond the spectrum
Vision
400
Color
Spectrum (After Kries)
C. Additive color mixing D. Differential threshold for wavelength
Protanopia Deuteranopia Plate 12.24
nm (red blindness) (green blindness)
Absolute differential threshold 10 5 Normal
15

0
400 500 vision 600 nm
Wavelength
E. Physiological sensitivity of rods and cones (1) and color opponency
in neuronal processing (2)
1 2
+
Wavelength S + M:
400 500 600 nm brightness
S cones channel
100 (daylight)
Sensitivity (% of maximum) 30 M cones L cones Rods Retinal ganglion cells and cells of lateral geniculate body S vs. L + M:
70
+
50
blue/yellow
channel
20
10
red/green
5 L vs. M: 357
channel
(After J.K. Bowmarker and H.J.A. Dartnall) (After J. Krauskopf et al.)
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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