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A Paradigm to Enhance Motor Imagery Using Rubber Hand Illusion Induced by Visuo-Tactile Stimulus

Title
A Paradigm to Enhance Motor Imagery Using Rubber Hand Illusion Induced by Visuo-Tactile Stimulus
Author(s)
Song, MinsuKim, Jonghyun
DGIST Authors
Song, MinsuKim, Jonghyun
Issued Date
2019-03
Type
Article
Article Type
Article
Author Keywords
neurorehabilitationevent-related desynchronizationmirror therapyMotor imagery enhancementbrain-computer interface
Keywords
REHABILITATIONTHERAPYBRAIN-COMPUTER INTERFACESTRUCTURAL PLASTICITYSTROKECORTEXBODYOSCILLATIONSSYNCHRONIZATIONDISCRIMINATION
ISSN
1534-4320
Abstract
Enhancing motor imagery (MI) results in amplified event-related desynchronization (ERD) and is important for MI-based rehabilitation and brain-computer interface (BCI) applications. Many attempts to enhance the MI by providing a visual guidance have been reported. We believe that the rubber hand illusion (RHI), which induces body ownership over an external object, can provide better guidance to enhance MI; thus, an RHI-based paradigm with motorized moving rubber hand was proposed. To validate the proposed MI enhancing paradigm, we conducted an experimental comparison among paradigms with 20 healthy subjects. The peak amplitude and arrival times of ERD were compared at contralateral and ipsilateral electroencephalogram channels. We found significantly amplified ERD caused by the proposed paradigm, which is similar to the ERD caused by motor execution. In addition, the arrival time suggests that the proposed paradigm is applicable for BCI. In conclusion, the proposed paradigm can significantly enhance the MI with better characteristics for use with BCI.
URI
http://hdl.handle.net/20.500.11750/9748
DOI
10.1109/TNSRE.2019.2895029
Publisher
Institute of Electrical and Electronics Engineers
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Appears in Collections:
Department of Robotics and Mechatronics Engineering REL(Rehabilitation Engineering Laboratory) 1. Journal Articles

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