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| Title: | Illusory reversal of causality between touch and vision has no effect on prism adaptation rate |
| Authors: | Tanaka, Hirokazu
Homma, Kazuhiro
Imamizu, Hiroshi |
| Keywords: | Temporal perception
Motor adaptation
Subjective simultaneity
Physical simultaneity
Illusory reversal |
| Issue Date: | 2012 |
| Publisher: | Frontiers |
| Magazine name: | Frontiers in Perception Science |
| Volume: | 3 |
| Start page: | 545 |
| DOI: | 10.3389/fpsyg.2012.00545 |
| Abstract: | Learning, according to Oxford Dictionary, is “to gain knowledge or skill by studying, from experience, from being taught, etc.” In order to learn from experience, the central nervous system has to decide what action leads to what consequence, and temporal perception plays a critical role in determining the causality between actions and consequences. In motor adaptation, causality between action and consequence is implicitly assumed so that a subject adapts to a new environment based on the consequence caused by her action. Subjective feeling of temporal order of action and consequence, however, can be modified or even reversed when her sense of simultaneity is manipulated with an artificially delayed feedback. Our previous study (Tanaka, Homma & Imamizu (2011) Exp Brain Res) demonstrated that the rate of prism adaptation was unaffected when the subjective delay of visual feedback was shortened. This study asked whether subjects could adapt to prism adaptation and whether the rate of prism adaptation was affected when the subjective temporal order was illusory reversed. Adapting to additional 100 ms delay and its sudden removal caused a positive shift of point of simultaneity in a temporal-order judgment experiment, indicating an illusory reversal of action and consequence. We found that, even in this case, the subjects were able to adapt to prism displacement with the learning rate that was statistically indistinguishable to that without temporal adaptation. This result provides further evidence to the dissociation between conscious temporal perception and motor adaptation. |
| Rights: | Tanaka H, Homma K and Imamizu H (2012). Illusory reversal of causality between touch and vision has no effect on prism adaptation rate. Front. Psychology 3:545. doi: 10.3389/fpsyg.2012.00545. © 2012 Tanaka, Homma and Imamizu. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and subject to any copyright notices concerning any third-party graphics etc. |
| URI: | http://hdl.handle.net/10119/10916 |
| Material Type: | publisher |
| Appears in Collections: | b10-1. 雑誌掲載論文 (Journal Articles)
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