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Of all the illnesses that one might have to face throughout life, one of the most frightening is that of experiencing a stroke, where a circulatory problem in the brain delivers either too much or too little blood flow to a given region, resulting in impairment in that part of the brain. The effects can be life-changing, resulting in the loss of various functions in the patient, including impairment of vision, speech, and motor functions. However, a new study from Stanford University may be offering researchers a new glimpse into how the brain heals itself, using a stem cell therapy that triggered profound healing effects in its patients, including giving one formerly wheelchair-bound individual the ability to walk again.
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Researchers at Duke University have developed a new brain-machine interface that allows a pair of monkeys to control motorized wheelchairs with only their thoughts. This development is intended to provide an alternative method of controlling the mobility devices for physically disabled people, as some individuals are unable to blink their eyelids to direct a wheelchair’s controls.
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