The tongue display unit (TDU) for electrotactile spatiotemporal pattern presentation | Zendy

Kurt A. Kaczmarek | Zendy

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The tongue display unit (TDU) for electrotactile spatiotemporal pattern presentation

Author(s) -

Kurt A. Kaczmarek

Publication year - 2011

Publication title -

scientia iranica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.299

H-Index - 51

eISSN - 2345-3605

pISSN - 1026-3098

DOI - 10.1016/j.scient.2011.08.020

Subject(s) - sensory substitution , sonification , tongue , sensory system , dorsum , neuroscience , neurorehabilitation , computer science , computer hardware , medicine , human–computer interaction , psychology , anatomy , rehabilitation , pathology

The Tongue Display Unit (TDU) is a 144-channel programmable pulse generator that delivers dc-balanced voltage pulses suitable for electrotactile (electrocutaneous) stimulation of the anterior-dorsal tongue, through a matrix of surface electrodes. This article reviews the theory of operation and a design overview of the TDU, as well as selected applications. These include sensory substitution, tactile information display and neurorehabilitation via induced neuroplasticity.

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