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  A comparison of the effects of depth rotation on visual and haptic three-dimensional object recognition

Lawson, R. (2009). A comparison of the effects of depth rotation on visual and haptic three-dimensional object recognition. Journal of Experimental Psychology: Human Perception and Performance, 35(4), 911-930. doi:10.1037/a0015025.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-C351-A Version Permalink: http://hdl.handle.net/21.11116/0000-0002-BE3E-4
Genre: Journal Article

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Lawson, R1, Author              
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1External Organizations, ou_persistent22              

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 Abstract: A sequential matching task was used to compare how the difficulty of shape discrimination influences the achievement of object constancy for depth rotations across haptic and visual object recognition. Stimuli were nameable, 3-dimensional plastic models of familiar objects (e.g., bed, chair) and morphs midway between these endpoint shapes (e.g., a bed-chair morph). The 2 objects presented on a trial were either both placed at the same orientation or were rotated by 90 degrees relative to each other. Discrimination difficulty was increased by presenting more similarly shaped objects on mismatch trials (easy: bed, then lizard; medium: bed, then chair; hard: bed, then bed-chair morph). For within-modal visual matching, orientation changes were most disruptive when shape discrimination was hardest. This interaction for 3-dimensional objects replicated the interaction reported in earlier studies presenting 2-dimensional pictures of the same objects (Lawson Bülthoff, 2008). In contrast, orient ation changes and discrimination difficulty had additive effects on within-modal haptic and cross-modal visual-to-haptic matching, whereas cross-modal haptic-to-visual matching was orientation invariant. These results suggest that the cause of orientation sensitivity may differ for visual and haptic object recognition.

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 Dates: 2009-08
 Publication Status: Published in print
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 Identifiers: DOI: 10.1037/a0015025
BibTex Citekey: 6060
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Title: Journal of Experimental Psychology: Human Perception and Performance
Source Genre: Journal
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Publ. Info: Washington : American Psychological Association (PsycARTICLES)
Pages: - Volume / Issue: 35 (4) Sequence Number: - Start / End Page: 911 - 930 Identifier: ISSN: 0096-1523
CoNE: https://pure.mpg.de/cone/journals/resource/954927546243