EVALUATION OF BRAIN ACTIVITY AND UPPER LIMB MOVEMENT, AND VERIFICATION OF LINGUISTIC FLUENCY DURING THE EXECUTION AND INTERPRETATION OF A UNIVERSAL SIGN IN LIBRAS
Palavras-chave:
Brain activity, Movement of upper limbs, Linguistic fluency, Sign LanguageResumo
The process of deafness occurs with the structural damage of the outer/middle ear, which functions to carry sound to the inner ear, and can be conductive, sensorineural, mixed, or central. The most common type of hearing loss can be temporary or permanent1.
One of the ways deaf people communicate is through Brazilian Sign Language (LIBRAS)2, which uses the visual, cognitive, and upper limb systems to produce words. The electroencephalogram is used in the deaf3 population as a model of neurodynamic assessment with results in multi-scale neuro-physical that maps the late brain responses to the effort exerted4.
It is known that there is movement of the upper limbs (ULs) such as the shoulder, arm, elbow, forearm, wrist, hands, and fingers in the process of translating and interpreting signs. Given this, there is information being transmitted directly by the brain during interpretation. However, there are no studies that correlate the evaluations, which justifies the objective of the present study, which is to evaluate fluency, cerebral electrical activity, and upper limb movement during the execution of the universal sign - Jesus - in Brazilian Sign Language.
Referências
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ARAÚJO, A. F. S. História da LÃngua de Sinais. Concepção sociocultural sobre a surdez e implicações sociais, linguÃsticas, legais e culturais. Abordagens educacionais para educação de surdos: Oralismo, Comunicação Total e Bilinguismo. Introdução aos aspectos fonéticos, morfológicos e sintáticos da Libras.
KANG, Q. et al. Emotion Recognition From EEG Signals of Hearing-Impaired People Using Stacking Ensemble Learning Framework Based on a Novel Brain Network. IEEE Sensors Journal, 2021, 21.20: 23245-23255.
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SOUSA, A. N. et al. Quadro de referência da Libras como L2. Fórum LinguÃstico, v. 16, p. 5488-5504, 2020.
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