Detecting and remembering pictures with and without visual noise. Meng, M. & Potter, M. C. J Vis, 8(9):7.1–710, 2008. doi abstract bibtex Objects in a scene are often partially occluded without causing the viewer any problem: the occluded parts are apparently represented via amodal completion. To evaluate human ability to perceive and remember partially occluded pictures, we showed sequences of pictures using rapid serial visual presentation (RSVP) for durations of 53 ms, 107 ms, 213 ms, or 426 ms/picture. Participants either attempted to detect a named target (e.g., "businessmen at table") or were given a yes-no recognition memory test of one item. In Experiment 1, with as much as 30% of the picture area covered, detection and recognition were both well above chance. More interestingly, occlusion significantly affected recognition memory but not target detection. In Experiment 2, when pictures were inverted, occlusion impaired detection as severely as recognition. For target detection, the interaction between occlusion and inversion was significant. By contrast, taking away color information did not significantly reduce detection's tolerance of occlusion (Experiment 3). Finally, Experiment 4 showed that with 40% of the picture area occluded, detection performance was impaired. These results support the hypothesis that contextual gist information facilitates visual processes that tolerate occluding noise. Although inversion and color were tested in particular, the presented paradigm can also be used to investigate the role of other factors in gist representation.
@Article{Meng2008,
author = {Ming Meng and Mary C. Potter},
journal = {J Vis},
title = {Detecting and remembering pictures with and without visual noise.},
year = {2008},
number = {9},
pages = {7.1--710},
volume = {8},
abstract = {Objects in a scene are often partially occluded without causing the
viewer any problem: the occluded parts are apparently represented
via amodal completion. To evaluate human ability to perceive and
remember partially occluded pictures, we showed sequences of pictures
using rapid serial visual presentation (RSVP) for durations of 53
ms, 107 ms, 213 ms, or 426 ms/picture. Participants either attempted
to detect a named target (e.g., "businessmen at table") or were given
a yes-no recognition memory test of one item. In Experiment 1, with
as much as 30\% of the picture area covered, detection and recognition
were both well above chance. More interestingly, occlusion significantly
affected recognition memory but not target detection. In Experiment
2, when pictures were inverted, occlusion impaired detection as severely
as recognition. For target detection, the interaction between occlusion
and inversion was significant. By contrast, taking away color information
did not significantly reduce detection's tolerance of occlusion (Experiment
3). Finally, Experiment 4 showed that with 40\% of the picture area
occluded, detection performance was impaired. These results support
the hypothesis that contextual gist information facilitates visual
processes that tolerate occluding noise. Although inversion and color
were tested in particular, the presented paradigm can also be used
to investigate the role of other factors in gist representation.},
doi = {10.1167/8.9.7},
institution = {Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. mmeng@mit.edu},
keywords = {Artifacts; Color Perception, physiology; Humans; Pattern Recognition, Visual, physiology; Photic Stimulation; Recognition (Psychology), physiology},
language = {eng},
medline-pst = {epublish},
pmid = {18831643},
timestamp = {2011.03.09},
}
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Participants either attempted to detect a named target (e.g., \"businessmen at table\") or were given a yes-no recognition memory test of one item. In Experiment 1, with as much as 30% of the picture area covered, detection and recognition were both well above chance. More interestingly, occlusion significantly affected recognition memory but not target detection. In Experiment 2, when pictures were inverted, occlusion impaired detection as severely as recognition. For target detection, the interaction between occlusion and inversion was significant. By contrast, taking away color information did not significantly reduce detection's tolerance of occlusion (Experiment 3). Finally, Experiment 4 showed that with 40% of the picture area occluded, detection performance was impaired. These results support the hypothesis that contextual gist information facilitates visual processes that tolerate occluding noise. Although inversion and color were tested in particular, the presented paradigm can also be used to investigate the role of other factors in gist representation.","doi":"10.1167/8.9.7","institution":"Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. mmeng@mit.edu","keywords":"Artifacts; Color Perception, physiology; Humans; Pattern Recognition, Visual, physiology; Photic Stimulation; Recognition (Psychology), physiology","language":"eng","medline-pst":"epublish","pmid":"18831643","timestamp":"2011.03.09","bibtex":"@Article{Meng2008,\n author = {Ming Meng and Mary C. Potter},\n journal = {J Vis},\n title = {Detecting and remembering pictures with and without visual noise.},\n year = {2008},\n number = {9},\n pages = {7.1--710},\n volume = {8},\n abstract = {Objects in a scene are often partially occluded without causing the\n\tviewer any problem: the occluded parts are apparently represented\n\tvia amodal completion. To evaluate human ability to perceive and\n\tremember partially occluded pictures, we showed sequences of pictures\n\tusing rapid serial visual presentation (RSVP) for durations of 53\n\tms, 107 ms, 213 ms, or 426 ms/picture. Participants either attempted\n\tto detect a named target (e.g., \"businessmen at table\") or were given\n\ta yes-no recognition memory test of one item. In Experiment 1, with\n\tas much as 30\\% of the picture area covered, detection and recognition\n\twere both well above chance. More interestingly, occlusion significantly\n\taffected recognition memory but not target detection. In Experiment\n\t2, when pictures were inverted, occlusion impaired detection as severely\n\tas recognition. For target detection, the interaction between occlusion\n\tand inversion was significant. By contrast, taking away color information\n\tdid not significantly reduce detection's tolerance of occlusion (Experiment\n\t3). Finally, Experiment 4 showed that with 40\\% of the picture area\n\toccluded, detection performance was impaired. These results support\n\tthe hypothesis that contextual gist information facilitates visual\n\tprocesses that tolerate occluding noise. Although inversion and color\n\twere tested in particular, the presented paradigm can also be used\n\tto investigate the role of other factors in gist representation.},\n doi = {10.1167/8.9.7},\n institution = {Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. mmeng@mit.edu},\n keywords = {Artifacts; Color Perception, physiology; Humans; Pattern Recognition, Visual, physiology; Photic Stimulation; Recognition (Psychology), physiology},\n language = {eng},\n medline-pst = {epublish},\n pmid = {18831643},\n timestamp = {2011.03.09},\n}\n\n","author_short":["Meng, M.","Potter, M. 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