An Electrical Stimulator for Sensory Substitution

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Aug 2006Publisher:IEEEJournal:2006 International Conference of the IEEE Engineering in Medicine and Biology Society

Authors: Mauro C. Pereira; Fuad Kassab;

doi: 10.1109/iembs.2006.260380 , 10.1109/iembs.2006.4398829

pmid: 17946735

An Electrical Stimulator for Sensory Substitution

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Abstract

This work presents an electrical stimulator system for use in sensory substitution (SS), as a mobility aid for visually handicapped people. The whole system passes visual information via cutaneous stimulation, and consists of a webcam, a PC, dedicated hardware to generate stimuli and a 15 x 20 electrode matrix. The same system can also be used in psycophysical and somesthesic research, or even for SS of deaf people, by changing the input signal from a camera to a microphone, and adapting its control software. Circuits for pixel addressing, for signal generation and for switching are described, as well as the software involved in generating a pulse train, which configures the stimuli patterns.

Related Organizations

Universidade de São Paulo
Brazil
Dom Bosco Catholic University
Brazil

Keywords

Computers, Reproducibility of Results, Electric Stimulation Therapy, Signal Processing, Computer-Assisted, Equipment Design, Deafness, Self-Help Devices, Electric Stimulation, User-Computer Interface, Microcomputers, Sensory Aids, Humans, Software, Vision, Ocular, Skin

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