Vision Research
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#1Jihong Lee (Yonsei University)
#2Sang Wook Hong (FAU: Florida Atlantic University)H-Index: 12
Last. Sang Chul Chong (Yonsei University)H-Index: 19
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Abstract null null The current study investigated how people summarize and represent objects with multiple features to cope with the complexity due to the number of objects and feature dimensions. We presented a set of circles whose color and size were either correlated perfectly (r = 1) or not correlated at all (r = 0). Using a membership identification task, we found that participants formed a statistical representation that included information about conjunctions as well as each color and siz...
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#1Elio D. Di Claudio (Sapienza University of Rome)H-Index: 5
#2Paolo Giannitrapani (Sapienza University of Rome)
Last. Giovanni Jacovitti (Sapienza University of Rome)H-Index: 15
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Abstract null null The perception of blur due to accommodation failures, insufficient optical correction or imperfect image reproduction is a common source of visual discomfort, usually attributed to an anomalous and annoying distribution of the image spectrum in the spatial frequency domain. In the present paper, this discomfort is related to a loss of the localization accuracy of the observed patterns. It is assumed, as a starting perceptual principle, that the visual system is optimally adapt...
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#1Sophie Forster (University of Sussex)H-Index: 13
#2Nilli Lavie (UCL: University College London)H-Index: 63
Abstract null null Research over the past 25 years indicates that stimulus processing is diminished when attention is engaged in a perceptually demanding task of high ‘perceptual load’. These results have generalized across a variety of stimulus categories, but a controversy evolved over the question of whether perception of distractor faces (or other categories of perceptual expertise) can proceed irrespective of the level of perceptual load in the attended task. Here we identify task-relevance...
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#1Brittney Hartle (York University)H-Index: 3
#2Laurie M. Wilcox (York University)H-Index: 16
Abstract null null Motion parallax and binocular disparity contribute to the perceived depth of three-dimensional (3D) objects. However, depth is often misperceived, even when both cues are available. This may be due in part to conflicts with unmodelled cues endemic to computerized displays. Here we evaluated the impact of display-based cue conflicts on depth cue integration by comparing perceived depth for physical and virtual objects. Truncated square pyramids were rendered using Blender and 3...
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#1Jakaria Mostafa (UH: University of Houston)H-Index: 1
#2Jason Porter (UH: University of Houston)H-Index: 19
Last. Lisa A Ostrin (UH: University of Houston)H-Index: 18
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Abstract null null Previous findings regarding intrinsically photosensitive retinal ganglion cell (ipRGC) function after traumatic brain injury (TBI) are conflicting. We examined ipRGC-driven pupil responses in civilian TBI and control participants using two pupillography protocols that assessed transient and adaptive properties: (1) a one second (s) long wavelength “red” stimulus (651 nm, 133 cd/m2) and 10 increasing intensities of 1 s short wavelength ”blue” stimuli (456 nm, 0.167 to 167 cd/m2...
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#1Maria Dvoeglazova (HSE: National Research University – Higher School of Economics)
#2Ekaterina Koshmanova (HSE: National Research University – Higher School of Economics)
Last. Tadamasa Sawada (HSE: National Research University – Higher School of Economics)H-Index: 9
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Abstract null null People can perceive 3D information from contour drawings and some types of configurations of contours in such drawings are important for 3D perception. We know that our visual system is sensitive to these configurations. Koshmanova & Sawada (2019, Vision Research, 154, 97–104) showed that the sensitivity is higher to a parallel configuration of contours than to a perpendicular configuration of contours. In this study, two psychophysical experiments were conducted that compared...
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#1Rachael S Allen (Emory University)H-Index: 10
#2Cara Motz (Emory University)H-Index: 6
Last. Katie L. Bales (Emory University)H-Index: 5
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Abstract null null Blast-induced traumatic brain injury is the signature injury of modern military conflicts. To more fully understand the effects of blast exposure, we placed rats in different holder configurations, exposed them to blast overpressure, and assessed the degree of eye and brain injury. null Anesthetized Long-Evans rats received blast exposures directed at the head (63 kPa, 195 dB-SPL) in either an “open holder” (head and neck exposed; n = 7), or an “enclosed holder” (window for bl...
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#1Cayla A. Bellagarda (UWA: University of Western Australia)
#2J. Edwin Dickinson (UWA: University of Western Australia)H-Index: 15
Last. David R. Badcock (UWA: University of Western Australia)H-Index: 50
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Abstract null null Symmetry perception in dot patterns is tolerant to temporal delays of up to 60 ms within and between element pairs. However, it is not known how factors effecting symmetry discrimination in static patterns might affect temporal integration in dynamic patterns. One such feature is luminance polarity. Using dynamic stimuli with increasing temporal delay (SOA) between the onset of the first and second element in a symmetric pair, we investigated how four different luminance-polar...
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#1Wladimir Kirsch (University of Würzburg)H-Index: 9
#2Wilfried Kunde (University of Würzburg)H-Index: 44
An object is perceived as larger when it is surrounded by smaller context objects than when it is surrounded by larger context objects. The origin of this well-known phenomenon, called as Ebbinghaus or Titchener circles illusion, is still puzzling. Here we introduce a basic explanation of how this illusion could emerge and provide some preliminary empirical support for this idea. In essence, we suggest that changes in the figural extent and in the spatial frequency of the stimulus pattern entail...
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