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Fiber Bragg grating sensor-based communication assistance device

Padma, Srivani and Umesh, Sharath and Pant, Shweta and Srinivas, Talabattula and Asokan, Sundarrajan (2016) Fiber Bragg grating sensor-based communication assistance device. In: JOURNAL OF BIOMEDICAL OPTICS, 21 (8).

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Official URL: http://dx.doi.org/10.1117/1.JBO.21.8.086012

Abstract

Improvements in emergency medicine in the form of efficient life supporting systems and intensive care have increased the survival rate in critically injured patients; however, in some cases, severe brain and spinal cord injuries can result in a locked-in syndrome or other forms of paralysis, and communication with these patients may become restricted or impossible. The present study proposes a noninvasive, real-time communication assistive methodology for those with restricted communication ability, employing a fiber Bragg grating (FBG) sensor. The communication assistive methodology comprises a breath pattern analyzer using an FBG sensor, which acquires the exhalation force that is converted into strain variations on a cantilever. The FBG breath pattern analyzer along with specific breath patterns, which are programmed to give specific audio output commands, constitutes the proposed fiber Bragg grating sensor-based communication assistive device. The basic communication can be carried out by instructing the patients with restricted communication ability to perform the specific breath patterns. The present approach is intended to be an alternative to the common approach of brain-computer interface in which an instrument is utilized for learning of brain responses. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)

Item Type: Journal Article
Publication: JOURNAL OF BIOMEDICAL OPTICS
Additional Information: Copy right for this article belongs to the SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 30 Dec 2016 07:19
Last Modified: 05 Nov 2018 09:38
URI: http://eprints.iisc.ac.in/id/eprint/55653

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