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Orientation congruency effects for familiar objects: Coordinate transformations in object recognition

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Graf,  M
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Kaping,  D
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Graf, M., Kaping, D., & Bülthoff, H. (2005). Orientation congruency effects for familiar objects: Coordinate transformations in object recognition. Psychological Science, 16(3), 214-221. doi:10.1111/j.0956-7976.2005.00806.x.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-D5ED-A
Abstract
How do we recognize objects after spatial transformations? Recent neurocomputational models proposed that object recognition is based on coordinate transformations which align memory and stimulus representations. If the recognition of disoriented objects is achieved by adjusting a coordinate system (or reference frame) then recognition should be facilitated when the object is preceded by a different object in the same orientation. Two objects were presented in close temporal contiguity in brief masked displays, either in congruent or incongruent picture plane orientations. In two experiments, naming accuracy was higher for congruent orientations. The congruency effect was independent of superordinate category membership (Experiment 1), and was found for objects with different (horizontal or vertical) main axis of elongation (Experiment 2). The results indicate congruency effects for common familiar objects, even for dissimilar shapes. The findings are compatible with models in which object recognition is achi eved by an adjustment of a perceptual coordinate system.