Associative grouping: perceptual grouping of shapes by association. Vickery, T. J. & Jiang, Y. V Atten Percept Psychophys, 71(4):896-909, 2009. doi abstract bibtex Perceptual grouping is usually defined by principles that associate distinct elements by virtue of image properties, such as proximity, similarity, and occurrence within common regions. What role does learning play in forming a perceptual group? This study provides evidence that learning of shape associations leads to perceptual grouping. Subjects were repeatedly exposed to pairs of unique shapes that co-occurred within a common region. The common region cue was later removed in displays composed of these shapes, and the subjects searched the display for two adjacent shapes of the same color. The subjects were faster at locating the color repetition when the adjacent shapes with the same color came from the same trained groups than when they were composed of two shapes from different trained groups. The effects were perceptual in nature: Learned pairings produced spatial distortions similar to those observed for groups defined by perceptual similarity. A residual grouping effect was observed even when the shapes in the trained group switched their relative positions but was eliminated when each shape was inverted. These results indicate that statistical co-occurrence with explicit grouping cues may form an important component of perceptual organization, determining perceived scene structure solely on the basis of past experience.
@Article{Vickery2009,
author = {Vickery, T. J. and Yuhong V Jiang},
journal = {Atten Percept Psychophys},
title = {Associative grouping: perceptual grouping of shapes by association.},
year = {2009},
number = {4},
pages = {896-909},
volume = {71},
abstract = {Perceptual grouping is usually defined by principles that associate
distinct elements by virtue of image properties, such as proximity,
similarity, and occurrence within common regions. What role does
learning play in forming a perceptual group? This study provides
evidence that learning of shape associations leads to perceptual
grouping. Subjects were repeatedly exposed to pairs of unique shapes
that co-occurred within a common region. The common region cue was
later removed in displays composed of these shapes, and the subjects
searched the display for two adjacent shapes of the same color. The
subjects were faster at locating the color repetition when the adjacent
shapes with the same color came from the same trained groups than
when they were composed of two shapes from different trained groups.
The effects were perceptual in nature: Learned pairings produced
spatial distortions similar to those observed for groups defined
by perceptual similarity. A residual grouping effect was observed
even when the shapes in the trained group switched their relative
positions but was eliminated when each shape was inverted. These
results indicate that statistical co-occurrence with explicit grouping
cues may form an important component of perceptual organization,
determining perceived scene structure solely on the basis of past
experience.},
doi = {10.3758/APP.71.4.896},
keywords = {Adolescent, Adult, Association Learning, Attention, Color Perception, Discrimination Learning, Female, Field Dependence-Independence, Humans, Male, Memory, Pattern Recognition, Practice (Psychology), Psychophysics, Short-Term, Transfer (Psychology), Visual, Young Adult, 19429967},
}
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Subjects were repeatedly exposed to pairs of unique shapes that co-occurred within a common region. The common region cue was later removed in displays composed of these shapes, and the subjects searched the display for two adjacent shapes of the same color. The subjects were faster at locating the color repetition when the adjacent shapes with the same color came from the same trained groups than when they were composed of two shapes from different trained groups. The effects were perceptual in nature: Learned pairings produced spatial distortions similar to those observed for groups defined by perceptual similarity. A residual grouping effect was observed even when the shapes in the trained group switched their relative positions but was eliminated when each shape was inverted. These results indicate that statistical co-occurrence with explicit grouping cues may form an important component of perceptual organization, determining perceived scene structure solely on the basis of past experience.","doi":"10.3758/APP.71.4.896","keywords":"Adolescent, Adult, Association Learning, Attention, Color Perception, Discrimination Learning, Female, Field Dependence-Independence, Humans, Male, Memory, Pattern Recognition, Practice (Psychology), Psychophysics, Short-Term, Transfer (Psychology), Visual, Young Adult, 19429967","bibtex":"@Article{Vickery2009,\n author = {Vickery, T. J. and Yuhong V Jiang},\n journal = {Atten Percept Psychophys},\n title = {Associative grouping: perceptual grouping of shapes by association.},\n year = {2009},\n number = {4},\n pages = {896-909},\n volume = {71},\n abstract = {Perceptual grouping is usually defined by principles that associate\n\tdistinct elements by virtue of image properties, such as proximity,\n\tsimilarity, and occurrence within common regions. What role does\n\tlearning play in forming a perceptual group? This study provides\n\tevidence that learning of shape associations leads to perceptual\n\tgrouping. Subjects were repeatedly exposed to pairs of unique shapes\n\tthat co-occurred within a common region. The common region cue was\n\tlater removed in displays composed of these shapes, and the subjects\n\tsearched the display for two adjacent shapes of the same color. 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