This paper assesses the ability of speaking while using an inductive tongue-computer interface. Lately, tongue- computer interfaces have been proposed for computer/robotic interfacing for individuals with tetraplegia. To be useful in home settings these interfaces should be aesthetic and interfere as little as possible with the limited preserved functionality of individuals with tetraplegia. As tongue interfaces from an aesthetical point of view are preferred to be entirely intra-oral it is relevant to address their effect on speech. Here we show that reading more than 566 words while using an inductive tongue-computer interface results in a maximum sensor activation time of less than 0.6 s, which means that false activations can be avoided by a sensor dwell time of 0.6 s. Furthermore, we show that it is possible to speak while controlling a powered wheelchair with the inductive tongue computer interface.
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| http://dx.doi.org/10.1109/EMBC.2018.8512834 | DOI Listing |
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Tongue computer interfaces have shown promising for both computer control and for control of assistive technologies and robotics. Still, evidence is lacking in relation to their usability resulting in speculations on their effectiveness for general computer use and their impact on other activities such as speaking, drinking, and eating. This paper presents the results of such a usability study performed with two individuals with tetraplegia.
View Article and Find Full Text PDFThe inductive tongue-computer interface allows individuals with tetraplegia to control assistive devices. However, controlling assistive robotic arms often requires more than 14 different commands, which cannot always fit into a single control layout. Previous studies have separated the commands into modes, but few have investigated strategies to switch between them.
View Article and Find Full Text PDFPrevious studies have described inductive tongue computer interfaces (ITCI) as a way to manipulate and control assistive robotics, and at least one commercial company is manufacturing ITCI today. This case report investigates the influence of an ITCI on the speed and quality of speech. An individual with tetraplegia read aloud a short part of "The Ugly Duckling", a well-known story by Hans Christian Andersen, in her native language Danish.
View Article and Find Full Text PDFTongue based robotic interfaces have shown the potential to control assistive robotic devices developed for individuals with severe disabilities due to spinal cord injury. However, current tongue-robotic interfaces require invasive methods such as piercing to attach an activation unit (AU) to the tongue. A noninvasive tongue interface concept, which used a frame integrated AU instead of a tongue attached AU, was previously proposed.
View Article and Find Full Text PDFArticle Synopsis
- Assistive robotic arms can greatly enhance the lives of individuals with severe disabilities, but an effective control interface for advanced robotic systems is necessary.
- Recent studies have explored the use of an inductive tongue computer interface (ITCI) to create a high-performance, joystick-like controller for these robots.
- The research demonstrated that the ITCI could accurately localize touch within 1 mm and provided a throughput of 2.03 bits per second when held in hand and 1.31 bits per second when operated by the tongue, showcasing its potential for enhancing robot control.
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