A Comparison of the Effects of Depth Rotation on Visual and Haptic Three-Dimensional Object Recognition
A Comparison of the Effects of Depth Rotation on Visual and Haptic Three-Dimensional Object Recognition
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DOI：
10.1037/a0015025
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发表时间：
2009-08-01
影响因子：
2.1
通讯作者：
Lawson, Rebecca
中科院分区：
文献类型：
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作者：
Lawson, Rebecca
使用顺序匹配任务比较形状辨别的难度如何影响触觉和视觉物体识别中深度旋转物体恒定的实现。刺激是熟悉对象的可命名的三维塑料模型(例如。床、椅子)和这些端点形状之间的中间变形(例如，床椅变形)。试验中展示的两个物体要么都放置在同一个方向上，要么相对于彼此旋转了90度。通过在错配测试中呈现更多形状相似的物体(容易：床，然后是蜥蜴中等：床，然后是硬椅子：床，然后是床-椅子变形)，辨别难度增加了。用于模式内视觉匹配。当形状辨别最困难时，方位变化最具破坏性，这种对三维对象的交互作用重复了早期研究中报告的相同对象的二维图像的交互作用(Lawson&Bulthoff，2008)。相反，方位变化和辨别难度对通道内触觉匹配和跨通道视觉-触觉匹配有相加效应，而跨通道触觉-视觉匹配是方向不变的。这些结果表明，对于视觉和触觉物体识别，方位敏感性的原因可能不同。
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 lizards medium: bed, then chairs 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 & Bulthoff, 2008). In contrast, orientation 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.