The human visual system can extract information on surface reflectance (lightness) from light intensity; this, however, confounds information on reflectance and illumination. We hypothesized that the visual system, to solve this lightness problem, utilizes the internally held prior assumption that illumination falls from above. Experiment 1 showed that an upward-facing surface is perceived to be darker than a downward-facing surface, proving our hypothesis. Experiment 2 showed the same results in the absence of explicit illumination cues. The effect of the light-from-left prior assumption was not observed in Experiment 3. The upward- and downward-facing surface stimuli in Experiments 1 and 2 showed no difference in a two-dimensional configuration or three-dimensional structure, and the participants’ perceived lightness appeared to be affected by the observers’ prior assumption that illumination is always from above. Other studies have not accounted for this illusory effect, and this study’s finding provides additional insights into the study of lightness perception.
AdamsW. J.GrafE. W.ErnstM. O. (2004).
Experience can change the ‘light-from-above’ prior. Nature Neuroscience,
7, 1057–1058. doi:10/1038/mm1312
2.
AdelsonE. H. (1993).
Perceptual organization and the judgment of brightness. Science,
262, 2042–2044.
3.
AdelsonE. H. (2000). Lightness perception and lightness illusions. In GazzanigaM. S. (Ed.), The new cognitive neurosciences (2nd ed., pp. 339–351).
Cambridge, MA:
MIT Press, Bradford Books.
4.
AgostiniT.GalmonteA. (2002).
A new effect of luminance gradient on achromatic simultaneous contrast. Psychonomic Bulletin & Review,
9, 264–269.
5.
AndrewsB.AisenbergD.d’AvossaG.SapirA. (2013).
Cross-cultural effects on the assumed light source direction: Evidence from English and Hebrew readers. Journal of Vision,
13, 1–7. doi:10.1167/13.13.2
6.
BakerL. J.LevinD. T. (2016).
The face-race lightness illusion is not driven by low-level stimulus properties: An empirical reply to Firestone and Scholl (2014). Psychonomic Bulletin & Review,
23, 1989–1995. doi:10.3758/s13423-016-1048-z
7.
BlakesleeB.McCourtM. E. (1997).
Similar mechanisms underlie simultaneous brightness contrast and grating induction. Vision Research,
37, 2849–2869.
8.
BlakesleeB.McCourtM. E. (1999).
A multiscale spatial filtering account of the White effect, simultaneous brightness contrast and grating induction. Vision Research,
39, 4361–4377.
9.
BonatoF.GilchristA. L. (1999).
Perceived area and the luminosity threshold. Perception & Psychophysics,
61, 786–797.
10.
BoyaciH.DoerschnerK.SnyderJ. L.MaloneyL. T. (2006).
Surface color perception in three-dimensional scenes. Visual Neuroscience,
23, 311–321. doi:10.10170S0952523806233431
11.
BoyaciH.MaloneyL. T.HershS. (2003).
The effect of perceived surface orientation on perceived surface albedo in binocularly viewed scenes. Journal of Vision,
3, 541–553. doi:10:1167/3.8.2
BressanP. (2006).
Inhomogeneous surrounds, conflicting frameworks, and the double-anchoring theory of lightness. Psychonomic Bulletin & Review,
13, 22–32. doi:10.1037/0033-295X.113.3.526
14.
CornsweetT. N. (1970). Visual perception.
New York, NY:
Academic Press.
15.
EconomouE.ZdravkovićS.GilchristA. (2015).
Grouping factors and the reverse contrast illusion. Perception,
44, 1383–1399. doi:10.1177/0301006615607118
16.
FirestoneC.SchollB. J. (2015).
Can you experience ‘top-down’ effects on perception?: The case of race categories and perceived lightness. Psychonomic Bulletin & Review,
22, 694–700. doi:10.3758/s13423-014-0711-5
17.
FirestoneC.SchollB. J. (2016).
Cognition does not affect perception: Evaluating the evidence for “top-down” effects. Behavioral and Brain Sciences,
39, 1–77. doi:10.1017/S0140525X15000965
18.
GilchristA. L. (1977).
Perceived lightness depends on perceived spatial arrangement. Science,
195, 185–187.
19.
GilchristA. L. (1980).
When does perceived lightness depend on perceived spatial arrangement?Perception & Psychophysics,
28, 527–538.
20.
GilchristA. L. (2006). Seeing black and white.
New York, NY:
Oxford University Press.
21.
GilchristA. L. (2018).
To compute lightness, illumination is not estimated, it is held constant. Journal of Experimental Psychology: Human Perception and Performance,
44, 1258–1267.
22.
GilchristA. L.KossyfidisC.BonatoF.AgostiniT.CataliottiJ.LiX., . . . EconomouE. (1999).
An anchoring theory of lightness perception. Psychological Review,
106, 795–834. doi:10.1037/xhp0000487
23.
HershbergerW. (1970).
Attached shadow orientation perceived as depth by chickens reared in an environment illuminated from below. Journal of Comparative and Physiological Psychology,
73, 407–411.
24.
HolmS. (1979).
A simple sequentially rejective multiple test procedure. Scandinavian Journal of Statistics,
6, 65–70.
25.
IkedaM.ShinodaH.MizokamiY. (1998).
Three dimensionality of the recognized visual space of illumination proved by hidden illumination. Optical Review,
5, 200–205.
26.
KingdomF. A. (2011).
Lightness, brightness and transparency: A quarter century of new ideas, captivating demonstrations and unrelenting controversy. Vision Research,
51, 652–673. doi:10.1016/j.visres.2010.09.012
27.
KiritaniY.OkazakiA.MotoyoshiK.TakanoR.OokuboN. (2017).
Color illusion on complexion by lipsticks and its impression. The Japanese Journal of Psychonomic Science,
36, 4–16. doi:10.14947/psychono.36.2
28.
KobayashiY.MatsushitaS.MorikawaK. (2017).
Effects of lip color on perceived lightness of human facial skin. i-Perception,
8(4), 1–10. doi:10.1177/2041669517717500
29.
LandE. H.McCannJ. J. (1971).
Lightness and retinex theory. Journal of the Optical Society of America,
61, 1–11.
30.
LevinD. T.BanajiM. R. (2006).
Distortions in the perceived lightness of faces: The role of race categories. Journal of Experimental Psychology: General,
135, 501–512. doi:10.1037/0096-3445.135.4.501
31.
LiX.GilchristA. L. (1999).
Relative area and relative luminance combine to anchor surface lightness values. Perception & Psychophysics,
61, 771–785.
32.
McManusC.BuckmanJ.WooleyE. (2004).
Is light in pictures presumed to come from the left side?Perception,
33, 1421–1436. doi:10.1068/p5289
33.
MenshikovaG. Y. (2013).
An investigation of 3D images of the simultaneous-lightness-contrast illusion using a virtual-reality technique. Psychology in Russia: State of the Art,
6, 49–59.
34.
MorgensternY.GeislerW. S.MurrayR. F. (2014).
Human vision is attuned to the diffuseness of natural light. Journal of Vision,
14, 1–18. doi:10.1167/14.9.15
35.
MorikawaK.McBeathM. K. (1992).
Lateral motion bias associated with reading direction. Vision Research,
32, 1137–1141.
36.
PeirceJ. W. (2007).
PsychoPy—Psychophysics software in Python. Journal of Neuroscience Methods,
162, 8–13. doi:10.1016/j.jneumeth.2006.11.017
37.
PeirceJ. W. (2009).
Generating stimuli for neuroscience using PsychoPy. Frontiers in Neuroinformatics,
2, 1--8. doi:10.3389/neuro.11.010.2008
38.
PerkinsK. R.SchirilloJ. A. (2003).
Three-dimensional spatial grouping affects estimates of the illuminant. Journal of the Society of America A,
20, 2246–2253.
39.
PontS. C.KoenderinkJ. J. (2007).
Matching illumination of solid objects. Perception & Psychophysics,
69, 459–468. doi:10.3758/BF03193766
40.
PontS. C.WijntjesM. W.OomesA. H.van DoornA.van NieropO.de RidderH.KoenderinkJ. J. (2011).
Cast shadows in wide perspective. Perception,
40, 938–948. doi:10.1068/p6820
41.
RamachandranV. S. (1988).
Perceiving shape from shading. Scientific American,
259, 76–83.
42.
SchirilloJ. A. (2013).
We infer light in space. Psychonomic Bulletin & Review,
20, 905–915. doi:10.3758/s13423-013-0408-1
43.
SnyderJ. L.DoerschnerK.MaloneyL. T. (2005).
Illumination estimation in three-dimensional scenes with and without specular cues. Journal of Vision,
5, 863–877. doi:10.1167/5.10.8
44.
SoranzoA.AgostiniT. (2004).
Impossible shadows and lightness constancy. Perception,
33, 1359–1368.
45.
SoranzoA.GalmonteA.AgostiniT. (2009a).
Lightness constancy: Ratio invariance and luminance profile. Attention, Perception, & Psychophysics,
71, 463–470.
46.
SoranzoA.GalmonteA.AgostiniT. (2009b).
The perceptual contrast of impossible shadow edges. Perception,
38, 164–172.
47.
SunJ.PeronaP. (1998).
Where is the sun?Nature Neuroscience,
1, 183–184.
48.
TanakaJ. W.FarahM. J. (1993).
Parts and wholes in face recognition. The Quarterly Journal of Experimental Psychology Section A,
46, 225–245.
49.
ThomasR.NardiniM.MareschalD. (2010).
Interactions between “light-from-above” and convexity priors in visual development. Journal of Vision,
10, 1–7. doi:10.1167/10.8.6
50.
WallachH. (1948).
Brightness constancy and the nature of achromatic colors. Journal of Experimental Psychology,
38, 310–325.
51.
WhiteM. (1981).
The effect of the nature of the surround on the perceived lightness of gray bars within square-wave test gratings. Perception,
10, 215–230.
ZavagnoD.DaneykoO. (2012).
The effect of non-adjacent luminance gradients on simultaneous lightness contrast. Proceedings of Fechner Day,
28, 48–53.
57.
ZavagnoD.DaneykoO.SakuraiK. (2011).
What can pictorial artifacts teach us about light and lightness?.Japanese Psychological Research,
53, 448–462. doi:10.1111/j.1468-5884.2011.00488.x
