| Electrotactile stimuli delivered across fingertips inducing the Cutaneous Rabbit Effect. | |
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MedLine Citation:
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PMID: 20862459 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Previous studies have been unable to induce the Cutaneous Rabbit Effect (CRE) when the most likely perceived location of the illusory stimulus is on a non-continuous skin area. To determine whether the CRE could be elicited when each of the delivered stimuli were on non-continuous skin areas, we developed a new electrotactile stimulation paradigm attempting to induce the CRE across the fingertips. Though our stimulation paradigm differed from classic reduced CRE paradigms through the use of electrotactile stimuli, focusing the subject attention to a 'likely' illusory site, and the inclusion of a fourth stimulation site (two stimuli after the illusory stimulus), these factors were not the cause of the illusory effect we observed. Experiments conducted on the forearm validated that our paradigm elicited similar results to those reported in previous CRE studies that used either 3-stimulation-point mechanical or electrotactile stimuli with subject attention focused on the 'likely' illusory site. Across the fingertips, we observed an increase in stimulus mislocalization onto the middle fingertip, the 'likely' perceived location of the illusory stimuli, under Illusory Rabbit Trains compared to the Motion Bias Trains. Because the Motion Bias Trains should not induce a perceived location shift of the illusory stimulus but stimulates the adjacent digits in a similar way to the Illusory Rabbit Trains, differences observed between their mislocalization rates between these trains indicate that the CRE can be induced across the fingertips. These results provide the first evidence that the CRE can 'jump' when the stimuli occur across non-continuous skin areas. |
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Authors:
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Jay P Warren; Marco Santello; Stephen I Helms Tillery |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural Date: 2010-09-23 |
Journal Detail:
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Title: Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale Volume: 206 ISSN: 1432-1106 ISO Abbreviation: Exp Brain Res Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-10-04 Completed Date: 2011-01-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0043312 Medline TA: Exp Brain Res Country: Germany |
Other Details:
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Languages: eng Pagination: 419-26 Citation Subset: IM |
Affiliation:
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School of Biological and Health System Engineering, Arizona State University, ECG 334, Tempe, AZ 85287-9709, USA. jaypwarren@gmail.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Biophysics
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methods Electric Stimulation / methods Fingers / innervation* Forearm / innervation Humans Illusions / physiology* Motion Skin / innervation* Time Factors Touch / physiology* |
| Grant Support | |
ID/Acronym/Agency:
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R01 NS050256/NS/NINDS NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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