ScienceBlog March 15, 2021
Parkinson’s disease, which afflicts one million Americans, causes both unwanted movements, such as hand tremors, as well as difficulty in initiating movements, such as taking a step. These symptoms interfere with the ability to do many everyday activities most people take for granted.
Medicines help, but lose their power as the disease progresses.
Another, newer option is deep brain stimulation, in which small pulses of electricity are delivered to the brain using an implanted electrode. If the implantation is successful, a patient’s motor symptoms can be reduced significantly.
This technology is made possible by an ever-growing understanding of brain anatomy and the roles played by its various parts. The subthalmic...
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