Şentürk, Y. D., Tavacioglu, E. E., Duymaz, İ., Sayim, B., & Alp, N. (2022). The Sabancı University Dynamic Face Database (SUDFace): Development and validation of an audiovisual stimulus set of recited and free speeches with neutral facial expressions. Behavior Research Methods. [online]

Rummens, K., & Sayim, B. (2022). Multidimensional feature interactions in visual crowding: When configural cues eliminate the polarity advantage. Journal of Vision, 22(6), 2. [open access]

Yildirim, F. Z., & Sayim, B. (2022). High confidence and low accuracy in redundancy masking. Consciousness and Cognition, 102, 103349. [open access]

Yildirim, F. Z., Coates, D. R., & Sayim, B. (2022). Atypical visual field asymmetries in redundancy masking. Journal of Vision, 22(5):4, 1–15. [open access]


Rummens, K., & Sayim, B. (2021). Broad attention uncovers benefits of stimulus uniformity in visual crowding. Scientific Reports, 11, 23976. [open access]

Hirsch. T., Haiduk, M., & Sayim, B. (2021). Raphael’s ‘imperfect’ viol – a question of perspective. Early Music, caab047. [download] [online]

Yildirim, F. Z., Coates, D. R., & Sayim, B. (2021). Hidden by bias: How standard psychophysical procedures conceal unbiased visual appearance. Scientific Reports, 11, 4095. [open access]

Melnik, N., Coates, D. R., & Sayim, B. (2021). Geometrically Restricted Image Descriptors: A method to capture the appearance of shape. Journal of Vision, 21(3), 14. [open access]


Taylor, H., & Sayim, B. (2020). Redundancy masking and the identity crowding debate. Thought: A Journal of Philosophy, 9(4), 257-265. [open access]

Doerig, A., Schmittwilken, L., Sayim, B., Manassi, M., & Herzog, M. H. (2020). Capsule networks as recurrent models of grouping and segmentation PLOS Computational Biology, 16(7), e1008017. [download] [online]

Yildirim, F. Z., Coates, D. R., & Sayim, B. (2020). Redundancy masking: The loss of repeated items in crowded peripheral vision. Journal of Vision, 20(4): 14. [open access]

Melnik, N., Coates, D. R., & Sayim, B. (2020). Emergent features break the rules of crowding. Scientific Reports, 10(1), 1-10. [download] [online]


Sayim, B., & Taylor, H. (2019). Letters lost: Capturing appearance in crowded peripheral vision reveals a new kind of masking. Psychological Science. 30(7), 1082-1086. [download] [online]

Rummens, K., & Sayim, B. (2019). Disrupting uniformity: Feature contrasts that reduce crowding interfere with peripheral word recognition. Vision Research, 161, 25-35. [open acess]


Melnik, N., Coates, D. R., & Sayim, B. (2018). Emergent features in the crowding zone: When target-flanker grouping surmounts crowding. Journal of Vision, 18(9):19 [open access]

Taylor, H., & Sayim, B. (2018). Crowding, attention and consciousness: in support of the inference hypothesis. Mind & Language, 33(1), 17-33. [download] [online]

Sayim, B., & Franke, I. (2018). Towards a phenomenology of the unknown. Berlin, Schering Foundation. [download] [online]


Sayim, B., & Wagemans, J. (2017). Appearance changes and error distributions in crowding revealed by drawings. Journal of Vision, 17(11), 8. [open access]

Coates, D. R., Wagemans, J., & Sayim, B. (2017). Diagnosing the visual periphery: Using the Rey-Osterrieth Complex Figure test to evaluate peripheral visual function. i-Perception, 8(3). [open access]

Greenwood, J. A., 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, 114(17), E3573-E3582. [open access]

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. [download] [online]


Herzog, M.H., Sayim, B., Manassi, M., & Chicherov, V. (2016). What crowds in crowding? Journal of Vision, 16(11), 25. [open acess]

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(8), 1029–33. [open access]

Coates, D.R., & Chung, S.T.L. (2016). Crowding in the S-cone pathway. Vision Research, 122, 81-92. [open acess]


Overvliet, K.E.1, & Sayim, B.1 (2015). Perceptual grouping determines haptic contextual modulation. Vision Research, 126, 52-58. [1 joint first author] [open acess]

Sayim, B., Myin, E., & Van Uytven, T. (2015). Prior knowledge modulates peripheral color appearance. Proceedings of the International Colour Association (AIC), Tokyo Midterm meeting, 1147-1152. [download]

Herzog, M.H., Sayim, B., Chicherov, V., & Manassi, M. (2015). Crowding, grouping, and object recognition: A matter of appearance. Journal of Vision, 15(6):5, 1–18. [online]


Sayim, B., Greenwood, J. G., & Cavanagh, P. (2014). Foveal target repetitions reduce crowding. Journal of Vision, 14(6), 4. [open access]

Greenwood, J.G., 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. [open access]

Sayim, B., Manassi, M., & Herzog, M.H. (2014). How color, regularity, and Gestalt determine backward masking. Journal of Vision, 14(7), 8. [open access]


Coates DR, & Chung, S.T.L. (2014). Changes across the psychometric function following perceptual learning of an RSVP reading task. Frontiers in Psychology, 5(1434). [open access]


Coates, D. R., & Levi, D. M. (2013). Contour interaction in foveal vision: A response to Siderov, Waugh, and Bedell. Vision Research, 96, 140-144. [open access]

Ekroll, V., Sayim, B., & Wagemans, J. (2013). Against better knowledge: The magical force of amodal volume completion. i-Perception, 4(8), 511-515. [open access]

Manassi ,M., Sayim, B., & Herzog, M. H. (2013). When crowding of crowding leads to uncrowding. Journal of Vision, 13(13), 10. [open access]

Sayim, B., & Cavanagh, P. (2013). Grouping and crowding affect target appearance over different spatial scales. PLoS ONE 8(8): e71188. [open access]

Coates, D. R., Chin, J. M., & Chung, S. T. L. (2013). Factors affecting crowded acuity: Eccentricity and contrast. Optometry & Vision Science, 90(7), 628-38. [open acess]


Manassi, M., Sayim, B., & Herzog, M. H. (2012). Grouping, pooling, and when bigger is better in visual crowding. Journal of Vision, 12(10), 13. [open access]


Sayim, B., & Cavanagh, P. (2011). What line drawings reveal about the visual brain. Frontiers in Human Neuroscience, 5(118), 1-4. [open access]

Sayim, B., & Cavanagh, P. (2011). The art of transparency. i-Perception, 2(7), 679-696. [open access]

Sayim, B., Wesheimer, G., & Herzog, M, H. (2011). Quantifying target conspicuity in contextual modulation by visual search. Journal of Vision, 11(1):6, 1-11. [open access]


Sayim, B., Grubert, A., Herzog, M. H., & Krummenacher, J. (2010). Display probability modulates attentional capture by onset distractors. Journal of Vision, 10(3):10, 1-8. [open access]

Sayim, B., Westheimer, G., & Herzog, M. H. (2010). Gestalt factors modulate basic spatial vision. Psychological Science, 21(5), 641-644. [online] [download]


Saarela, T. P., Sayim, B., Westheimer, G., & Herzog, M. H. (2009). Global stimulus configuration modulates crowding. Journal of Vision, 9(2):5, 1-11. [open access]

Sayim, B., Westheimer, G., & Herzog, M. H. (2008). Contrast polarity, chromaticity, and stereoscopic depth modulate contextual interactions in vernier acuity. Journal of Vision, 8(8):12, 1-9. [open access]

Sayim, B., Jameson, K. A., 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. [online] [download]