The material-weight illusion revisited
The material-weight illusion revisited
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DOI：
10.3758/bf03213118
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发表时间：
1999-11-01
期刊：
影响因子：
--
通讯作者：
Lederman, SJ
中科院分区：
文献类型：
--
作者：
Ellis, RR;Lederman, SJ
实验 1 记录了低质量物体集 (58.5 g) 的材料重量错觉的模态效应。这些模态效应表明，材料重量错觉主要是触觉衍生现象：触觉访问的材料线索对于全强度错觉来说既充分又必要，而视觉访问的材料线索仅足以产生中等强度的错觉。相比之下，当在相同模态条件下呈现高质量物体组（357 g）时，不会产生任何错觉。这种错觉的质量相关特性被认为是不同握力的结果。实验 2 表明，强制握紧可以消除低质量材料重量的错觉。实验 3 证明，牢固的抓握也会减少实际质量差异的感知差异。考虑了增加握力的后果的几种可能的解释。
Experiment 1 documents modality effects on the material-weight illusion for a low-mass object set (58.5 g). These modality effects indicate that the material-weight illusion is principally a haptically derived phenomenon: Haptically accessed material cues were both sufficient and necessary for full-strength illusions, whereas visually accessed material cues were only sufficient to generate moderate-strength illusions. In contrast, when a high-mass object set (357 g) was presented under the same modality conditions, no illusions were generated. The mass-dependent characteristic of this illusion is considered to be a consequence of differing grip forces. Experiment 2 demonstrates that the enforcement of a firm grip abolishes the low-mass material-weight illusion. Experiment 3 documents that a firm grip also diminishes perceptual differentiation of actual mass differences. Several possible explanations of the consequences of increasing grip force are considered.