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51 results

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Page 1
Isolating objective and subjective filling-in using the drift diffusion model.
Dekel R, Sagi D, Zomet A, Levi DM, Polat U. Dekel R, et al. J Vis. 2023 Dec 4;23(14):5. doi: 10.1167/jov.23.14.5. J Vis. 2023. PMID: 38108790 Free PMC article.
Of interest here is the effect on the decision criterion. Polat and Sagi (2007) demonstrated that, for a Gabor target positioned between two similar co-aligned high-contrast flankers, the observers' reports of seeing the target (Hit and False Alarm) decreased with i …
Of interest here is the effect on the decision criterion. Polat and Sagi (2007) demonstrated that, for a Gabor target position …
Generalization in perceptual learning across stimuli and tasks.
Kahalani-Hodedany R, Lev M, Sagi D, Polat U. Kahalani-Hodedany R, et al. Sci Rep. 2024 Oct 19;14(1):24546. doi: 10.1038/s41598-024-75710-9. Sci Rep. 2024. PMID: 39427013 Free PMC article.
We tested the effect of TDT learning, under conditions with and without visual adaptation, on the contrast detection (CD) of localized Gabor targets, either alone or backward masked (BM). At the TDT peripheral-target location, we found that the transfer of learning between …
We tested the effect of TDT learning, under conditions with and without visual adaptation, on the contrast detection (CD) of localized Ga …
Expectations and visual aftereffects.
Pinchuk-Yacobi N, Dekel R, Sagi D. Pinchuk-Yacobi N, et al. J Vis. 2016 Dec 1;16(15):19. doi: 10.1167/16.15.19. J Vis. 2016. PMID: 28006069 Free article.
In the "Expected" conditions, the orientation of the second Gabor was fixed relative to the first Gabor (the same or a mirror orientation, blocked). In the "no-expectation" condition, the orientation of the second Gabor was independent of the first Gabor …
In the "Expected" conditions, the orientation of the second Gabor was fixed relative to the first Gabor (the same or a mirror …
Real-time visual interactions across the boundary of awareness.
Meital-Kfir N, Sagi D. Meital-Kfir N, et al. Sci Rep. 2018 Apr 24;8(1):6442. doi: 10.1038/s41598-018-24554-1. Sci Rep. 2018. PMID: 29691414 Free PMC article.
Observers performed the MIB task, wherein an object 'Target' (a plaid object) was morphed into one of its features (an oriented Gabor patch) once its disappearance was reported. Reappearances of the morphed target were induced by a visible 'Cue' (object or feature), with r …
Observers performed the MIB task, wherein an object 'Target' (a plaid object) was morphed into one of its features (an oriented Gabor …
Configuration influence on crowding.
Livne T, Sagi D. Livne T, et al. J Vis. 2007 Feb 5;7(2):4.1-12. doi: 10.1167/7.2.4. J Vis. 2007. PMID: 18217819 Free article.
The influence of configuration on visual crowding was tested. Eight Gabor patches surrounding a central one were arranged in a way that created several global configurations differing by their internal arrangements (smooth contour vs. random), while still preserving pairwi …
The influence of configuration on visual crowding was tested. Eight Gabor patches surrounding a central one were arranged in a way th …
Long-lasting, long-range detection facilitation.
Tanaka Y, Sagi D. Tanaka Y, et al. Vision Res. 1998 Sep;38(17):2591-9. doi: 10.1016/s0042-6989(97)00465-3. Vision Res. 1998. PMID: 12116705 Free article.
We examined the time course of threshold reduction in the Gabor lateral masking paradigm. Contrast detection thresholds were measured (2AFC) for a briefly presented (36 ms) foveal Gabor signal (GS), preceded by a presentation (90 ms) of two high-contrast GS flanked …
We examined the time course of threshold reduction in the Gabor lateral masking paradigm. Contrast detection thresholds were measured …
Spatial and temporal crowding in amblyopia.
Bonneh YS, Sagi D, Polat U. Bonneh YS, et al. Vision Res. 2007 Jun;47(14):1950-62. doi: 10.1016/j.visres.2007.02.015. Epub 2007 May 14. Vision Res. 2007. PMID: 17502115 Free article.
We have previously reported evidence suggesting that the inability to isolate stimuli in space in crowded displays (spatial crowding) is a largely independent component of the amblyopic deficit in visual acuity, which is typically found in strabismic amblyopia [Bonneh, Y., Sag …
We have previously reported evidence suggesting that the inability to isolate stimuli in space in crowded displays (spatial crowding) is a l …
Contrast integration across space.
Bonneh Y, Sagi D. Bonneh Y, et al. Vision Res. 1999 Aug;39(16):2597-602. doi: 10.1016/s0042-6989(99)00041-3. Vision Res. 1999. PMID: 10492823 Free article.
Contrast discrimination thresholds were measured (2AFC) by either increasing the size of a peripheral (2.4 degrees) Gabor signal (GS: lambda = 0.08 degree) or by increasing the number of GS elements in a circular arrangement. ...Contrast discrimination was found to improve …
Contrast discrimination thresholds were measured (2AFC) by either increasing the size of a peripheral (2.4 degrees) Gabor signal (GS: …
Abnormal long-range spatial interactions in amblyopia.
Polat U, Sagi D, Norcia AM. Polat U, et al. Vision Res. 1997 Mar;37(6):737-44. doi: 10.1016/s0042-6989(96)00154-x. Vision Res. 1997. PMID: 9156218 Free article.
Contrast detection thresholds were measured psychophysically for small foveally viewed Gabor patches presented in isolation and in the presence of similar, but laterally displaced flanks. ...
Contrast detection thresholds were measured psychophysically for small foveally viewed Gabor patches presented in isolation and in th …
The effect of spatial frequency on peripheral collinear facilitation.
Maniglia M, Pavan A, Trotter Y. Maniglia M, et al. Vision Res. 2015 Feb;107:146-54. doi: 10.1016/j.visres.2014.12.008. Epub 2014 Dec 31. Vision Res. 2015. PMID: 25557179 Free article.
The detection of a Gabor patch (target) can be decreased or improved by the presence of co-oriented Gabor patches (flankers) having the same spatial frequency as the target. ...Earlier studies on collinear facilitation at the near-periphery of the visual field (4 of …
The detection of a Gabor patch (target) can be decreased or improved by the presence of co-oriented Gabor patches (flankers) h …
51 results