History Of Chemistry Essay

1000 words - 4 pages

Neurotechnology has existed for a long time but has reached potential in the last few decades. The foreword movements made in the neuroscience area has made it applicable for scientist to make neurotechnology. For example, John Donoghue has contributed a lot to the neurotechnology department. Neurotechnology helps people understand the brain. Also, the technology was made to enhance and mend brain functions. “Two kinds of neurotechnology are advancing particularly rapidly: one that transmits or augments signals going into the brain, and another that receives signals produced by the brain, decodes them, then helps to carry out their original purpose." Society had many problems that were not capable of being solved before neurotechnology was constructed. Technology such as cochlear implant, cat scanners and robotic arms has been really useful to society. Neurotechnology does not just include the mechanical objects; medicine is also including with this field.

Nineteen years ago the neurotechnology department generated a study in the field of the eye. This research was created in order to help blind people be able to see. William Dobelle invented an electrode array has stimulated the visual circuits only enough to see a fading dot. Now "two different strategies are being explored, both using: either bringing the images inside the eye to stimulate the nerves on site, or delivering the images directly into the brain itself. Neurotechnology also goes to help the deaf. The cochlear implant is an invented made to help people who are deaf. Sound is translated into criteria that the brain can understand that are applied immediately to the cochlea via electrodes. The implant has a restoring effect. Cells die in the absence of stimulation but the electrical signals rescue them from dying. Additionally, neurotechnology is used for people who were in an accident and they lost a limb. Robotic limbs are used for the disable people. The technology can be used in two ways. First, “the device can carry, decode, interpret, and act upon thoughts and brain waves that the person is not able to execute.” The other way is the muscles in the arm send nerve impulse signals to a device. This way is more for people who have been paralyzed from an injury or sickness. One of these methods would allow the disable person to do normal task such as moving their own wheelchair, interacting with the computer or television.

Neurotechnology is also used to treat diseases and disorders. Deep Brain Stimulation surgery is used for diseases such as Parkinson's disease and disorders such as epilepsy. Before the surgery, the patient usually has a magnetic resonance imaging (MRI) done. Electrodes are used in this method. It is inserted deep into the brain through a hole in the skull. The doctor finds the area and moves the electrodes to area then attach it to a pacemaker device, which sends currents. Which delivers a more regularly pulsed electric current, stopping the pulses caused by the...

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