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Hyperactivity has long been part of the human condition, although hyperactive behaviour has not always been seen as problematic. [1] [page needed]The terminology used to describe the symptoms of attention deficit hyperactivity disorder, or ADHD, has gone through many changes over history, including "minimal brain damage", "minimal brain dysfunction", "learning/behavioral disabilities" and ...
Implantable pacemakers were proposed for the first time in 1959 and became more sophisticated since then. The therapeutic application of pacemakers consists of numerous rhythm disturbances including some forms of tachycardia (too fast a heart beat), heart failure, and even stroke. Early implantable pacemakers worked only a short time and needed ...
The pacemakers at the time were large devices that required their own carts and relied on wall current for power. As a result of a power blackout on October 31, 1957, one of Dr. Lillehei's young patients died. Dr. Lillehei, who had worked with Bakken before, asked him the next day if he could solve the problem.
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In 1957, Earl Bakken of Minneapolis, Minnesota, produced the first wearable external pacemaker for a pediatric patient of C. Walton Lillehei. The Swede Rune Elmqvist (1906-1996) developed the first internally implanted pacemaker in 1958. During this time, Reynolds Pombo had designed and built an external pacemaker powered by a 12-volt battery.
Researchers say the treatment — deep brain stimulation, or DBS — could eventually help many of the nearly 3 million Americans with depression that resists other treatments.
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Here, pulses are emitted to the brain tissue in a fixed frequency (often 130 Hz) without sensing brain signals or other forms of a steering signal.It took until the 2010s, after a demonstration of efficacy of aDBS in the macaque by the team of Hagai Bergman in 2011, [10] the first in-human application of aDBS was carried out by the team of ...