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Communicating by voice can be a daunting task for many, but it is not the case for people with speech disorders due to neurological deficiencies. To counter this, researchers at the University of California at San Francisco have developed a neurological decoder that translates cerebral signals resulting from movement of the lips, tongue, jaw and larynx into speech.
This revolutionary system is being designed in Edward Chang's laboratory and suggests the possibility of creating a manufactured version of an individual's voice. This synthesized voice can be controlled by the brain activity of the person's speech centers.
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If these possibilities are at the height of the experiments and badumptions, this neural decoder could greatly help people with speech disorders around the world, helping them to restore communication.
The all-new neural decoder – a step in the right direction
More often than not, ordinary people around the world do not have to think too much or make too much effort to express themselves. Indeed, when they wish to speak, the brain immediately informs the relevant parts of your body, such as your mouth and your lips.
This new technology can, therefore, be a boon for speech-impaired people, as it will not only help them to restore their effective communication function, but also to their brain, allowing them to form words and phrases in an understandable way .
These experiments are currently being conducted by Chang and his team and, as several observers have found, the nerves located inside the brain could actually be trained to send signals to all vocal organs so that They work at will.
As sharing by Chang, "We exploit the parts of the brain that control these movements – we try to decode the movements, rather than speak directly."
He also added, "The study we conducted involved people with neurosurgery. We are really not aware of the currently available non-invasive technology that could allow you to do it from the outside of your head. Believe me, if it existed, it would have profound medical applications. "
Researchers temporarily implanted electrodes in the brains of five epileptic patients to record signals generated by vocal tract movements when they were speaking over 100 sentences aloud. These signals were then transmitted to a computer model of the human vocal system to generate a synthesized speech.
The future prospects of this new technology
Prior to this development, a team of neuroengineers from Columbia University had also created a system that could convert a person's thoughts into recognizable and intelligible speech. This technology could simply monitor a person's brain activity so that they can hear their own words with as much clarity as possible.
This technology has also been a major advance in enabling people with speech disorders, such as Amyotrophic Lateral Sclerosis (ALS), to return to a functional base to effectively recover their speech capacity.
It is safe to say that all these technologies are presented as gigantic factors of game change and can be the precursor to hope and success in the field of neuroscience. In addition, it brings scientists a step closer to understanding the mysterious world of the human brain.
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