Bilge Sayim

Chargé de recherche

Thèmes de recherche

Peripheral vision, crowding, intersections of vision science and art, contextual modulation, visual appearance and appearance-based methods



Melnik M, Coates D, Sayim B (2018). Emergent features in the crowding zone: When target-flanker grouping

surmounts crowding. Journal of Vision. September 2018, Vol. 18, 19.

Taylor JH, Sayim B (2018). Crowding, attention and consciousness: In support of the inference hypothesis. Mind

Lang. 2018;1–17.

Sayim B, Franke I, (2018). Towards a Phenomenology of the Unknown. In H. C. Mertens, K. Naie, Retreat into

Darkness: Towards a Phenomenology of the Unknown. Berlin, Schering Foundation.

Sayim B, Wagemans J (2017). Appearance changes and error characteristics in crowding revealed by drawings.

Journal of Vision, 17(11):8, 1–16.

Coates DR, Wagemans J, Sayim B (2017). Diagnosing the visual periphery: Using the Rey-Osterrieth Complex Figure

Test to evaluate peripheral visual function. i-Perception. doi: 10.1177/2041669517705447.

Greenwood, JA, Szinte, M, Sayim, B, & Cavanagh, P (2017). Variations in crowding, saccadic precision, and spatial

localization reveal the shared topology of spatial vision. Proceedings of the National Academy of Sciences, 201615504. doi:10.1073/pnas.1615504114

Ekroll V, Sayim B, Wagemans J (2017). The other side of magic: The psychology of perceiving hidden things.

Perspectives on Psychological Science, 12(1), 91-106.

Herzog MH, Sayim B, Manassi M, Chicherov V (2016). What crowds in crowding? Journal of Vision, September 2016,

Vol.16, 25. doi:10.1167/16.11.25.

Ekroll V, Sayim B, van der Hallen R, Wagemans J (2016). Illusory visual completion of an object’s invisible backside

can make your finger feel shorter. Current Biology 26, no. 8 (April 25, 2016): 1029–33.

Overvliet KE1, Sayim B1 (2015). Perceptual grouping determines haptic contextual modulation. Vision Research.

Available online, paper in press. [1 joint first author]

Sayim B, Myin E, Van Uytven T (2015). Prior knowledge modulates peripheral color appearance. Proceedings of the

International Colour Association (AIC), Tokyo Midterm meeting, 2015, 1147-1152.

Herzog MH, Sayim B, Chicherov V, Manassi M (2015). Crowding, grouping, and object recognition: a matter of

appearance. Journal of Vision, 15(6):5, 1–18.

Sayim B, Greenwood JG, Cavanagh P (2014). Foveal target repetitions reduce crowding. Journal of Vision.14 (6):4,


Greenwood JG, Sayim B, Cavanagh P (2014). Crowding is reduced by onset transients in the target object (but not in

the flankers). Journal of Vision, 14 (6):2, 1-21.

Sayim B, Manassi M, Herzog MH (2014). How color, regularity, and Gestalt determine backward masking, Journal of

Vision, 14(7):8, 1-11.

Ekroll V, Sayim B, Wagemans J (2013). Against better knowledge: The magical force of amodal volume completion.

i-perception, 4, 511-515.

Manassi M, Sayim B, Herzog MH (2013). When crowding of crowding leads to uncrowding. Journal of Vision.

13(13):10, 1–10.

Sayim B, Cavanagh P (2013). Grouping and Crowding Affect Target Appearance over Different Spatial Scales. PLoS

ONE 8(8): e71188.

Manassi M, Sayim B, Herzog MH (2012). Grouping, pooling, and when bigger is better in visual crowding. Journal of

Vision, 12(10):13, 1–14.

Sayim B, Cavanagh P (2011). What line drawings reveal about the visual brain. Front. Hum. Neurosci. 5:118.

Sayim B, Cavanagh P (2011). The Art of Transparency. i-Perception, 2(7), 679-696.

Sayim B, Wesheimer G, Herzog MH (2011). Quantifying target conspicuity in contextual modulation by visual search.

Journal of Vision, 11(1):6, 1-11.

Sayim B, Grubert A, Herzog MH, Krummenacher J (2010). Display probability modulates attentional capture by onset

distractors. Journal of Vision, 10(3):10, 1-8.

Sayim B, Westheimer G, Herzog MH (2010). Gestalt Factors Modulate Basic Spatial Vision. Psychological Science,


Saarela TP, Sayim B, Westheimer G, Herzog MH (2009). Global stimulus configuration modulates crowding. Journal

of Vision, 9(2):5, 1-11.

Sayim B, Westheimer G, Herzog MH (2008). Contrast polarity, chromaticity, and stereoscopic depth modulate

contextual interactions in vernier acuity. Journal of Vision, 8(8):12, 1-9.

Sayim B, Jameson KA, Alvarado N, Szeszel M (2005). Semantic and perceptual representations of color: Evidence of

a shared color naming function. Journal of Cognition and Culture, 5, 165-220.



Bilge Sayim
Laboratoire SCALab
Université Charles-de-Gaulle Lille III
Domaine universitaire du Pont de Bois
BP 149
59653 Villeneuve d'Ascq Cedex
tél. :(+33)(0)3-20-41-72-04
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