Perceptual continuity across saccades

10.33540/293 ◽  
2019 ◽  
Author(s):  
◽  
Jasper Hajo Fabius
Keyword(s):  
Perceptual Continuity

Influences of perceptual continuity on everyday listening

2013 ◽  
Author(s):  
Barbara Shinn-Cunningham ◽  
Golbarg Mehraei ◽  
Scott Bressler ◽  
Salwa Masud
Keyword(s):  
Perceptual Continuity

scholarly journals T'ain't the way you say it, it's what you say – Perceptual continuity of voice and top–down restoration of speech

2014 ◽  
Vol 315 ◽  
pp. 80-87 ◽  
Author(s):  
Jeanne Clarke ◽  
Etienne Gaudrain ◽  
Monita Chatterjee ◽  
Deniz Başkent
Keyword(s):  
Top Down ◽  
Perceptual Continuity ◽  
The Way

Perceptual Continuity and the Emergence of Perceptual Persistence in the Ventral Visual Pathway

2005 ◽  
Vol 93 (6) ◽  
pp. 3453-3462 ◽  
Author(s):  
Mary-Ellen Large ◽  
Adrian Aldcroft ◽  
Tutis Vilis
Keyword(s):  
Visual Processing ◽  
Gradual Increase ◽  
Brain Activity ◽  
Occipital Area ◽  
Line Drawings ◽  
Visual Elements ◽  
Processing Stream ◽  
Visual Areas ◽  
Ventral Visual Pathway ◽  
Perceptual Continuity

Perceptual continuity is an important aspect of our experience of the visual world. In this study, we focus on an example of perceptual continuity involving the maintenance of figure—ground segregation despite the removal of binding cues that initiated the segregation. Fragmented line drawings of objects were superimposed on a background of randomly oriented lines. Global forms could be discriminated from the background based on differences in motion or differences in color/brightness. Furthermore, perception of a global form persisted after the binding cue had been removed. A comparison between the persistence of forms constructed from motion or color demonstrated that both forms produced persistence after the object defining cues were removed. Functional imaging showed a gradual increase in the persistence of brain activity in the lower visual areas (V1, V2, VP), which reached significance in V4v and peaked in the lateral occipital area. There was no difference in the location of persistence for color- or motion-defined forms. These results suggest that the retention of a global percept is an emerging property of the ventral visual processing stream and the maintenance of grouped visual elements is independent of cue type. We postulated that perceptual persistence depends on a system of perceptual memory reflecting the state of perceptual organization.

scholarly journals Squeezing Uncertainty from Saccadic Compression

2007 ◽  
Vol 1 (1) ◽  
Author(s):  
C. S. Chapman ◽  
A. R. Hunt ◽  
A. Kingstone
Keyword(s):  
Alternative Explanation ◽  
Extreme Values ◽  
Visual Stimuli ◽  
Visual Objects ◽  
Compression Effect ◽  
Perceptual Phenomenon ◽  
Perceptual Continuity

Brief visual stimuli presented before and during a saccade are often mislocalized due to spatial compression. This saccadic compression effect is thought to have a perceptual basis, and results in visual objects being squeezed together and their number underestimated. Here we show that observers are also uncertain about their visual experiences just before and during a saccade. It is known that responses tend to be biased away from extreme values under conditions of uncertainty. Thus, a plausible alternative explanation of compression is that it reflects the uncertainty-bias to underestimate the number of items that were presented. We test this hypothesis and find that saccadic compression is independent of certainty, and is significantly modulated by orientation, with larger effects for stimuli oriented horizontally, in the direction of the saccade. These findings confirm that saccadic compression is a perceptual phenomenon that may enable seamless perceptual continuity across saccades.

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