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Electrocutaneous Stimulation of Skin Mechanoreceptors for Tactile Studies with Functional Magnetic Resonance Imaging
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Author(s): Valentina Hartwig (University of Pisa, Italy, and C.N.R. Institute of Clinical Physiology, Italy), Claudia Cappelli (University of Pisa, Italy), Nicola Vanello (University of Pisa, Italy, and C.N.R. Institute of Clinical Physiology, Italy), Emiliano Ricciardi (University of Pisa, Italy), Enzo Pasquale Scilingo (University of Pisa, Italy), Giulio Giovannetti (C.N.R. Institute of Clinical Physiology, Italy), Maria Filomena Santarelli (C.N.R. Institute of Clinical Physiology, Italy), Vincenzo Positano (C.N.R. Institute of Clinical Physiology, Italy), Pietro Pietrini (University of Pisa, Italy)and Lu Landini (University of Pisa, Italy)
Copyright: 2008
Pages: 8
Source title:
Encyclopedia of Healthcare Information Systems
Source Author(s)/Editor(s): Nilmini Wickramasinghe (Illinois Institute of Technology, USA)and Eliezer Geisler (Illinois Institute of Technology, USA)
DOI: 10.4018/978-1-59904-889-5.ch063
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Abstract
To evoke specific sensations related to specific types of mechanoreceptors, we consider here the possibility of using electrotactile stimulation, varying the amplitude and the frequency of the stimulating electric signal, but maintaining the same waveform. According to a different specificity of the mechanoreceptors at different mechanical stimulus (Kaczmarek, Webster, Bach-y- Rita, & Tompkins, 1991), there might exist receptor specificity for different amplitude and frequency of electrical stimulus. In this case it could be possible to stimulate specifically several types of mechanoreceptors maintaining the same waveform and varying only its amplitude or frequency, with the possibility of creating a different sensation for tactile studies and augmented reality applications.
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