Keyphrases
19th Century
58%
Adaptation
28%
Afterimage
34%
Allusion
23%
Anaglyph
34%
Binocular
47%
Binocular Vision
69%
Color Contrast
23%
Engraving
33%
Eye Movement Research
35%
Eye Movements
99%
Galileo
29%
Geometric-optical Illusions
53%
Grating
23%
Hermann Von Helmholtz
100%
History of Science
23%
Illusionist
23%
Motion Aftereffect
25%
Neuroscience
39%
New Introduction
26%
Nineteenth Century
53%
Oculomotor Function
26%
Oddity
29%
Optics
27%
Parallel Law
23%
Perceptual Event
23%
Perceptual Portraits
77%
Physiological Optics
26%
Pictorial Image
36%
Ponzo
27%
Psychologists
35%
Purkinje
29%
Quotation
23%
Retina
47%
Rivalry
46%
Sensory Receptors
23%
Spatial Illusion
23%
Stereopsis
29%
Stereoscope
89%
Stereoscopic Depth
28%
Stereoscopic Vision
40%
Thomas Young
25%
Visual Artists
26%
Visual Direction
23%
Visual Illusion
54%
Visual Perception
48%
Visual Phenomena
24%
Visual Science
34%
Volkmann
23%
Wheatstone
97%
Arts and Humanities
16 th century
17%
1830s
18%
Achromatic
15%
Action
38%
Allusion
23%
Art and science
26%
Art History
17%
Artists
21%
Circle
23%
Color Vision
21%
Colour Contrast
23%
Contemporary
29%
Copy
17%
Depth Perception
17%
Designer
15%
Early Edition
23%
early history
23%
English
38%
Engraving
33%
Experimental
19%
Galileo
15%
Hermann von Helmholtz
17%
Historical Context
23%
Illusion
71%
Independent
29%
Legacy
14%
Motifs
23%
Motion
54%
Mystery
23%
Names
15%
Nineteenth Century
67%
Observer
23%
Optics
29%
Painting
17%
Philosophy
35%
Pioneers
14%
Portraiture
16%
Rivalry
47%
Scholars
21%
Sensation
20%
Space Perception
17%
Spatial
35%
Stereoscope
66%
Stereoscopy
17%
Style
22%
Technique
14%
Treatise
47%
viewer
35%
Visual Artist
20%
Visual Illusion
42%