İnci Ayhan


Associate Professor

On Leave (Fall 2023)

+90 212 359 70 51

Office no: #220

  • PhD, University College London, 2010
  • BS, Middle East Technical University, 2007 (Double Major: Biology)
  • BS, Middle East Technical University, 2006 (Psychology)


Vision Lab:

Virtual Reality Lab:



Courses Taught: 
  • Sensation and Perception
  • Introduction to Statistics for Psychology
  • Research Methods in Psychology
  • Advanced Cognitive Psychology
  • Advanced Research Methods
  • Matlab Programming for Psychologists
  • Readings and Research in Visual Perception
Research Interests: 
  • Visual perception
  • Temporal processing in the visual system
  • Time perception
  • Visuo-motor interaction, body representation and embodied cognition
  • Visual adaptation
  • Mapping visual deformations in Macular Degeneration
  • Methodologies: Expertise in psychophysics and human-computer interaction, experience in fMRI and Virtual Reality, literacy in modelling and computational methodologies


Recent Publications: 
  • Erkent, M. A., Ugur, E., Oztop, E. & Ayhan, I. (Submitted) The rubber tool illusion reveals how body image modifies body schema. Cognition.
  • Basgol, H., Ayhan, I. & Ugur, E. (In Press) Predictive event segmentation and representation with neural networks: A self-supervised model assessed by psychological experiments. Cognitive Systems Research.
       arXiv (2022): 2210.05719 (
  • Ayhan, I., Doyle, E. & Zanker, J. (2022) Measuring image distortions arising from age-related macular degeneration: An Iterative Amsler Grid (IAG). MedComm, 3:e-107.
  • Basgol, H., Ayhan, I.  & Ugur, E. (2021) Psychological, Computational and Robotic Models of Time Perception. IEEE Transactions on Cognitive and Developmental Systems. (Published Online).
  • Akkoc, T., Ugur, E. & Ayhan, I. (2021) Trick the body trick the mind: The effect of avatar representation on the perception of available action possibilities in Virtual Reality. Virtual Reality. 1-15.
  • Ayhan, I., Kurtcan, A. M. & Thorpe, L. (2020) The effect of action on perceptual feature binding. Vision Research, 177, 97-108.
  • Ayhan, I. & Ozbagci (2020) Action-induced changes in the perceived temporafeatures of visual events. Vision Research, 175, 1-13.
  • Gulhan, D., & Ayhan, I. (2019). Short-term global motion adaptation induces a compression in the subjective duration of dynamic visual events. Journal of Vision, 19(5), 19-19.
  • Bruno, A., Ayhan, I., & Johnston, A. (2015). Changes in apparent duration follow shifts in perceptual timing. Journal of Vision, 15(2).
  • Ayhan, I., Revina, Y., Bruno, A., & Johnston, A. (2012). Duration judgments over multiple elements. Frontiers in Perception Science,3: 459.
  • Bruno, A., Ayhan, I., & Johnston, A. (2012). Effects of temporal features and order on the apparent duration of a visual stimulus. Frontiers in Perception Science, 3: 90.
  • Bruno, A., Ayhan, I. & Johnston, A. (2011). Duration expansion at low luminance levels. Journal of Vision, 11(14): 13, 1-13.
  • Ayhan, I., Bruno, A., Nishida, S., & Johnston, A. (2011). The effect of luminance signal on the strength of adaptation-induced temporal compression. Journal of Vision, 11(7): 22, 1-17.
  • Johnston, A., Bruno, A., & Ayhan, I. (2011). Retinotopic selectivity of adaptation-based compression of event duration: Reply to Burr, Cicchini, Arrighi, and Morrone. Journal of Vision, 21(2):21a, 1–3.
  • Bruno, A., Ayhan, I., & Johnston, A. (2010). Retinotopic adaptation-based visual duration compression. Journal of Vision, 10(10):30, 1-18.
  • Ayhan, I., Bruno, A., Nishida, S., & Johnston, A. (2009). The spatial tuning of adaptation-based time compression. Journal of Vision, 9(11):2, 1-12.
      Publications in Turkish:
  • Ayhan, I. (2021) Psikofiziksel yöntemler bağlamında zaman algısı. G Unal ve I Ayhan Editörlüğünde Psikolojide Bilişsel ve Davranışsal Süreçlere Deneysel Yaklaşımlar (sf. 111-152). Ankara: Nobel Akademik Yayıncılık. (in Turkish).
  • Alaşhan, D. & Ayhan, I. (2021) Zaman algısının nöral ve psikolojik modelleri: Görsel sistemde bir "zaman yolağı" kuramına doğru. Nesne, (20), 396-417. (in Turkish). 
  • Ayhan, I. & Ünal, G. (2020) Görsel yanılsamalar bağlamında görsel algının esasları. Nesne, 8 (18), 522-547. (in Turkish)
  • Ünal, G. & Ayhan, I. (2020) İşlevsel özelleşmeye yeni bir bakış: Nöronal saatler. Nesne, 8 (17), 270-283. (in Turkish)
  • Ayhan, I., & Canbeyli, R. (2018) Zaman, zaman algısı ve biyolojik saat. In Biceroglu, H., Tonge, M., Seckin, M. Adiguzel, E., Gurvit, H. & Hanci, M. (Eds.) Fonksiyonun Cerrahi Anatomisi, İstanbul: Us Akademi. (in Turkish)
Selected Presentations:
  • Ayhan, I., Erkent, A., Ugur, E. & Oztop, E. (2023). Interactions of body representations in rubber hand illusion and tool-use paradigms (Vision Sciences Society Meeting).
  • Jin, S. & Ayhan, I. (2023). The effect of affordances on perceived interval durations during motor action (Vision Sciences Society Meeting).
  • Ozsoy, H., Cokelek, M., Ayhan, I., Erdem, E., & Erdem, A. (2022). How scene attributes and sound influence visual exploration of omnidirectional panoromic scenes (Annual Meeting of the Cognitive Science Society).
  • Tanriverdi, D., Alashan, D., Ekinci, M. A., & Ayhan, I. (2021). The effect of smooth pursuit eye movements on the visibility of low-contrast chromatic stimuli in the presence of contextual motion (European Conference on Visual Perception).
  • Alashan, D., Tanriverdi, D., Ekinci, M. A., & Ayhan, I. (2021). The effects of abutting pattern motion and smooth pursuit eye movement on the visibility of low-contrast luminance-modulated target gratings (Vision Sciences Society Annual Meeting).
  • Andaç, S., Sezer, B. C., Ayhan, I., Ugur, E., & Oztop, E. (2021). Effects of Scaling Shoulder Width on Passability Affordance in Virtual Reality (Annual Meeting of the Cognitive Science Society).
  • Basgol, H., Ayhan, I., & Ugur, E. (2021). A Self-Supervised and Predictive Processing-Based Model of Event Segmentation and Learning (Annual Meeting of the Cognitive Science Society).

Son Güncelleme: 15:14:52 - 11.10.2023