Touching Curvature and Feeling Size: A Contrast Illusion

Plaisier M, Ernst MO (2013)
Multisensory Research 26(5): 457-463.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We know that our eyes can be deceiving. Here we demonstrate that we should not always trust our sense of touch either. Previous studies have shown that when pinching an object between thumb and index finger, we can under many circumstances accurately perceive its size. In contrast, the current results show that the local curvature at the areas of contact between the object and the fingers causes systematic under- or overestimation of the object’s size. This is rather surprising given that local curvature is not directly related to the object’s size. We suggest an explanation in terms of a contrast between the finger separation and an inferred relationship between local curvature and size. This study provides the first demonstration of an illusory haptic size percept caused by local curvature in a pinch grip.
Stichworte
size illusion; Tactile; proprioception
Erscheinungsjahr
2013
Zeitschriftentitel
Multisensory Research
Band
26
Ausgabe
5
Seite(n)
457-463
ISSN
2213-4794
eISSN
2213-4808
Page URI
https://pub.uni-bielefeld.de/record/2629236

Zitieren

Plaisier M, Ernst MO. Touching Curvature and Feeling Size: A Contrast Illusion. Multisensory Research. 2013;26(5):457-463.
Plaisier, M., & Ernst, M. O. (2013). Touching Curvature and Feeling Size: A Contrast Illusion. Multisensory Research, 26(5), 457-463. doi:10.1163/22134808-00002430
Plaisier, M., and Ernst, M. O. (2013). Touching Curvature and Feeling Size: A Contrast Illusion. Multisensory Research 26, 457-463.
Plaisier, M., & Ernst, M.O., 2013. Touching Curvature and Feeling Size: A Contrast Illusion. Multisensory Research, 26(5), p 457-463.
M. Plaisier and M.O. Ernst, “Touching Curvature and Feeling Size: A Contrast Illusion”, Multisensory Research, vol. 26, 2013, pp. 457-463.
Plaisier, M., Ernst, M.O.: Touching Curvature and Feeling Size: A Contrast Illusion. Multisensory Research. 26, 457-463 (2013).
Plaisier, Myrthe, and Ernst, Marc O. “Touching Curvature and Feeling Size: A Contrast Illusion”. Multisensory Research 26.5 (2013): 457-463.
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2019-09-06T09:18:19Z
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