(Also see Google Scholar page for Dr. Sayim and Dr. Coates)

Articles

2017

Taylor JH, Sayim B (in press). Crowding, Attention and Consciousness: In support of the Inference Hypothesis. Mind and Language.

Sayim B, Wagemans J. (in press). Appearance changes and error distributions in crowding revealed by drawings. Journal of Vision.

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.

2016

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.

Coates DR, Chung STL. Crowding in the S-cone pathway. Vision Research April 8, 2016. doi:10.1016/j.visres.2016.03.007.

2015

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.

2014

Sayim B, Greenwood JG, Cavanagh P (2014). Foveal target repetitions reduce crowding. Journal of Vision.14 (6):4, 1-12.

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. >

Coates DR, Chung STL. Changes across the psychometric function following perceptual learning of an RSVP reading task. Frontiers in Psychology (2014) Dec 23; 5:1434. doi: 10.3389/fpsyg.2014.01434

Coates DR, Levi DM. Contour interaction in foveal vision: A response to Siderov, Waugh, and Bedell (2013) Vision Research 96 (2014):140-144. doi: 10.1016/j.visres.2013.10.016

2013

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.

Coates DR, Chin JM, Chung STL. Factors affecting crowded acuity: eccentricity and contrast. Optometry & Vision Science (2013) Jul;90(7):628-38. doi: 10.1097/OPX.0b013e31829908a4

2012

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.

2011

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.

2010

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, 21(5):641-4.

2005-2009

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.

Conference Abstracts

2016

Coates DR, Wagemans J, Sayim B (2016). Concordant effects of letter similarity in crowding and visual search. Perception 45, ECVP, 28 August - 01 September 2016, Barcelona, Spain, p. 20.

Sayim B, Coates DR, Taylor JH (2016). Identity-Crowding: Perception without Attention or Cognitive Inference? Perception 45, ECVP, 28 August - 01 September 2016, Barcelona, Spain, p. 46.

Van Uytven T, Myin E, Sayim B (2016). Individual Differences in Artistic Capture of Peripheral Appearance. Visual Science of Art Conference (VSAC), 26-28 August 2016, Barcelona, Spain, p. 27.

Franke I, Sayim B (2016). Effects of Phenomenally 'real' and Cognitively 'unreal' Stimuli in Contemporary Art on Visual Consciousness. Science of Consciousness, 2016, Tucson, Arizona, USA (April 25-30, 2016), 366.

2015

Coates DR, Wagemans J, Sayim B (2015). Portraying the periphery: studying peripheral vision with drawing tasks. Perception 44, ECVP, p 115.

Franke I, Sayim B (2015). Spatial vision research in contemporary art practice: No room for 'perceptual errors'. Perception 44, ECVP, p 24.

Sayim B, Wagemans J (2015). Perceived junction changes in crowding revealed with a drawing paradigm. Perception 44, ECVP, p 138.

Van Vliet C, Sayim B (2015). Characteristics of target appearance changes in crowding. Perception 44, ECVP, p 160.

Franke I, Sayim B (2015). Perceptually vivid and phenomenally mysterious stimuli as artistic strategy to highlight the constructive nature of perception. Visual Science of Art Conference (VSAC), 22-23 August 2015, Liverpool, UK, p 27.

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.

Van Uytven T, Myin E, Sayim B (2015). Cleaning up peripheral clutter: No crowding in paintings of peripherally viewed images. Visual Science of Art Conference (VSAC), 22-23 August 2015, Liverpool, UK, p 24.

Sayim B, Wagemans J, Kogo N (2015). Angular size differences of selected and depicted scenes in observational painting. Visual Science of Art Conference (VSAC), 22-23 August 2015, Liverpool, UK, p 23.

Ekroll V, Sayim B, van der Hallen R, Wagemans J (2015). The shrunken finger illusion: Amodal volume completion can make your finger feel shorter. VSS Journal of Vision, 55.25 p 267.

2014

Sayim B (2014). Interdisciplinary approaches in vision: on the fruitful collaboration of artists and scientists. Visual Science of Art Conference (VSAC), 23-24 August 2014, Belgrade, Serbia.

Van Uytven T, Myin E, Sayim B (2014). The visual periphery in art and science. Visual Science of Art Conference (VSAC), 23-24 August 2014, Belgrade, Serbia.

Sayim B, de-Wit L, Wagemans J (2014). Crowding limits multiple object tracking. Perception 43, ECVP Abstract Supplement, page 7.

2013

Sayim B, Wagemans J (2013). Drawings reveal what is lost in crowding. AVA, Christmas Meeting (Leuven, Belgium).

Sayim B, Wagemans J (2013). Drawings of the visual periphery reveal appearance changes in crowding. Perception 42, ECVP, Supplement, p 229.

Overvliet K, Sayim B (2013). Contextual modulation in haptic vernier offset discrimination. Perception 42, ECVP, Supplement, p 175.

2012

Sayim B, Cavanagh P (2012). Depiction of material properties in paintings. Visual Science of Art Conference (VSAC), 1-2 September 2012, Alghero, Italy.

Sayim B, Greenwood JA, Cavanagh P (2012). Temporal dynamics of the remote facilitation effect in crowding. Perception 41, ECVP Abstract Supplement, p 32.

Greenwood JA, Szinte M, Sayim B, Cavanagh P (2012). Shared spatial uncertainty for crowding and saccades. Journal of Vision, vol. 12, no. 9, article 599.

Sayim B, Greenwood JA, Cavanagh P (2012). A remote target repetition reduces crowding. Journal of Vision, vol. 12, no. 9, article 596.

2011

Sayim B, Cavanagh P (2011). Long range grouping affects crowding. Perception 40, ECVP, Supplement, p 35.

Manassi M, Sayim B, Herzog MH (2011). Grouping trumps pooling and centroids in crowding. Perception 40, ECVP, Supplement p 182.

Sayim B, Cavanagh P (2011). Effects of target-flanker grouping in crowding inside and outside the critical spacing. Journal of Vision, 11, 11, article 1157.

Manassi M, Sayim B, Herzog MH (2011). When bigger is better. Journal of Vision, 11, 11, article 1185.

Manassi M, Sayim B, Herzog MH (2011). How grouping determines crowding. 12th Congress of the Swiss Psychological Society (11-13 September, 2011 in Fribourg, Switzerland).

2010

Sayim B, Cavanagh P (2010). Does target-flanker grouping alleviate crowding? AVA, Christmas Meeting (Paris, France), 6, 14.

Sayim B, Cavanagh P (2010). Transparency in Psychophysics and in Art. Art & Perception Conference, Brussels, Belgium.

Sayim B, Manassi M, Herzog MH (2010). How good Gestalt counteracts clutter in contextual modulation. Perception 39, ECVP Supplement, 28.

Manassi M, Sayim B, Herzog MH (2010). Gestalt determines contextual modulation. Lemanic Neuroscience Annual Meeting (October 29, 2010 in Geneva, Switzerland).

Manassi M, Sayim B, Herzog MH (2010). In contextual modulation, bigger is not better for low luminance stimuli. Perception 38, ECVP, Supplement 7.

Sayim B, Westheimer G, Herzog MH (2010). Targets uncrowd when they pop out. Journal of Vision, 10(7):1393.

2009

Sayim B, Grubert A, Krummenacher J, Herzog MH (2009). Modulation of Attentional Capture by Display Probabilities in Visual Search. Perception, 38, ECVP, Supplement 7.

Sayim B, Westheimer G, Herzog MH (2009). Contextual Modulation and Gestalt. 11th Congress of the Swiss Psychological Society, Interactions: Real and Virtual, 34.

2008

Saarela TP, Sayim B, Westheimer G, Herzog MH (2008). Crowding is modulated by global stimulus configuration. Perception 37, ECVP, Supplement 171.

Sayim B, Herzog MH, Westheimer G (2008). Grouping explains contextual modulation in low level vision. Perception 37, ECVP, Supplement 81.

Sayim B, Herzog MH, Westheimer G (2008). The influence of perceptual grouping on visual contextual modulation. XXIX International Congress of Psychology, Berlin, Germany.

Sayim B, Grubert A, Herzog MH, Krummenacher J (2008). Top-down modulability of attentional capture by a salient color singleton onset distractor. Second International Symposium on Visual Search and Selective Attention, 127, Fribourg (Murten), Switzerland.

Sayim B, Westheimer G, Herzog MH (2008). Visual contextual modulation by figural grouping. FENS Abstr., vol 4, 190.15, 2008.

Sayim B, Westheimer G, Herzog MH (2008). Figural grouping affects contextual modulation in low level vision. Journal of Vision, 8(6):436, 436a.

Saarela TP, Sayim B, Westheimer G, Herzog MH (2008). Configural modulation of crowding. Journal of Vision, 8, 435a.

Sayim B, Westheimer G, Herzog MH (2008). Der Einfluss von Gruppierung auf visuo-kontextuelle Modulation. Tagung experimentell arbeitender Psychologen, Marburg, 155.

2007

Saarela TP, Sayim B, Westheimer G, Herzog MH (2007). Modulation of crowding by stimulusconfiguration. Paper presented at Visionarium 2007, Tvärminne, Finland.

Sayim B, Herzog MH, Westheimer G (2007). How grouping by color and contrast affects contextual modulation. Swiss Psychological Society (SSP) 2007, Differences, Diversity and Change, 81.

Sayim B, Westheimer G, Herzog MH (2007). Grouping by color and its effects on contextual modulation. 2nd Annual EPFL Life Sciences Symposium (LSS07), Lausanne, Switzerland.

Sayim B, Herzog MH, Westheimer G (2007). Contextual modulation of vernier thresholds by chromaticity-based grouping mechanisms. Journal of Vision, 7(9):907, 907a.

Sayim B, Herzog MH, Westheimer G (2007). Kontextuelle Modulation von Vernier-Schwellen durch farbinduzierte Gruppierungsmechanismen. Tagung experimentell arbeitender Psychologen, Trier, 36.

2003-2006

Sayim B, Herzog MH (2006). Effects of contextual elements on vernier thresholds in peripheral vision. Perception, 35, Supplement 45.

Jameson K, Alvarado N, Sayim B (2005). Semantic and perceptual Representations of Color and a cognitive Color-Naming Function. 17th Annual Convention of the American Psychological Society, Los Angeles.

Sayim B, Jameson K, Alvarado N (2003). Color naming relations in perceptual color space. Annual conference of the Association for Research in Vision and Ophthalmology (ARVO), Ft. Lauderdale, FL.

Jameson K, Sayim B, Alvarado N (2003). Asymmetries between cognitive and perceptual representations of color: Consequences for theories of color naming. Color Perception: Philosophical and Scientific Perspectives. University of British Columbia, Vancouver, Canada.