RefDoc
Haut

Faire une nouvelle recherche
Make a new search
Lancer la recherche


Titre du document / Document title

Form perception with a 49-point electrotactile stimulus array on the tongue : A technical note

Auteur(s) / Author(s)

BACH-Y-RITA P. ; KACZMAREK K. A. ; TYLER M. E. ; GARCIA-LARA J. ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

Center for Neuroscience and the Department of Rehabilitation Medicine, Trace R&D Center, University of Wisconsin, Madison, WI, 53706, ETATS-UNIS
Medical School, Universidad Autónoma del Estado de Morelos, Cuernavaca, MEXIQUE

Résumé / Abstract

Form perception with the tongue was studied with a 49-point electrotactile array. Five sighted adult human subjects (3M/2F) each received 4 blocks of 12 tactile patterns, approximations of circles, squares, and vertex-up equilateral triangles, sized to 4×4, 5×5, 6×6, and 7×7 electrode arrays. Perception with electrical stimulation of the tongue is better than with fingertip electrotactile stimulation, and the tongue requires 3% (5--15 V) of the voltage. The mean current for tongue subjects was 1.612 mA. Tongue shape recognition performance across all sizes was 79.8%. The approximate dimensions of the electrotactile array and the dimensions of compartments built into dental retainers have been determined. The goal is to develop a practical, cosmetically acceptable, wireless system for blind persons, with a miniature TV camera, microelectronics, and FM transmitter built into a pair of glasses, and the electrotactile array in a dental orthodontic retainer.

Revue / Journal Title

Journal of rehabilitation research and development    ISSN  0748-7711   CODEN JRRDDB 

Source / Source

1998, vol. 35, no4, pp. 427-430 (11 ref.)

Langue / Language

Anglais

Editeur / Publisher

Rehabilitation Research and Development Service, Baltimore, MD, ETATS-UNIS  (1984) (Revue)

Mots-clés anglais / English Keywords

Blindness

;

Rehabilitation

;

Perception

;

Shape

;

Tongue

;

Galvanic vestibular test

;

Tactile sensitivity

;

Dimension

;

Performance evaluation

;

Human

;

Eye disease

;

Vision disorder

;

Physical rehabilitation

;

Mots-clés français / French Keywords

Cécité

;

Réhabilitation

;

Perception

;

Forme

;

Langue

;

Stimulation galvanique

;

Sensibilité tactile

;

Dimension

;

Evaluation performance

;

Homme

;

Oeil pathologie

;

Trouble vision

;

Réadaptation physique

;

Mots-clés espagnols / Spanish Keywords

Ceguera

;

Rehabilitación

;

Percepción

;

Forma

;

Lengua

;

Estimulación galvánica vestibular

;

Sensibilidad tactil

;

Dimensión

;

Evaluación prestación

;

Hombre

;

Ojo patología

;

Trastorno visión

;

Readaptación física

;

Localisation / Location

INIST-CNRS, Cote INIST : 21399, 35400008393465.0070

Nº notice refdoc (ud4) : 1838034



Faire une nouvelle recherche
Make a new search
Lancer la recherche
Bas