Eye tracking technology will be used to diagnose concussions in the future
Judging whether a person has suffered a concussion, there is currently no very accurate scientific method. Now, we mainly monitor the concussion by some symptoms (such as nausea, headache, and dizziness) that the patient shows. In addition, the patient may not exhibit these symptoms in the early stage after the head has been traumatized.
Although CT or MRI scans can detect fractures or blood in the brain, they are not able to diagnose concussions. The US Centers for Disease Control and Prevention CDC expects that nearly 2.5 million of the rescue cases in the US emergency centers in 2010 were associated with brain damage, a figure that has increased by 70% over the past decade. CT scans and MRI can monitor bleeding in the brain, tissue swelling, or skull fractures, but they are not an effective tool for diagnosing concussions.
Now, New York University researchers have developed a new monitoring of concussion techniques, using an eye tracking technology that captures the “abnormalities†that occur during eye movements, which may represent early signs of concussion. . The researchers used the collected information on eye movement abnormalities to determine the severity of the concussion. The success of this research has been published online in the Journal of Neurotrauma.
The purpose of this study: This eye tracking technique may represent a quick and effective tool to monitor patients present in the emergency room or concussions of athletes with head injuries in sports venues. The research team used an innovative eye tracking device to effectively monitor the degree of concussion, or brain injury.
A long time ago, the eye was already seen as a "monitor" of brain trauma, which is why it is called "the window of the brain." If the patient shows abnormal performance during eye movement, the eyeball will move or rotate in the opposite direction. This part of the person may have shown signs of early neurological dysfunction, which can be determined as concussion. It is widely believed that 90% of patients with concussion or brain damage will exhibit abnormal eye symptoms associated with eye movements.
The eye tracking technology used in the New York University research project was originally developed by the Cohen Veterans Center to monitor the eye movements of soldiers suspected of suffering from concussion and brain damage in the Middle East War.
The research team evaluated 75 patients at the Bellevue Medical Center Emergency Center in New York. They were between 18 and 60 years old and suffered brain damage. In contrast, the researchers also monitored 64 healthy people. The researchers asked them to videotape their eye movements while watching a piece of music video. It was found that 13 patients with brain injury found evidence of brain damage under CT scan. There were 39 patients with brain injury. No abnormalities were found under CT scan, but compared with normal people, this part of the controller's eye movement ability decreased. In addition, patients suffering from severe physical damage, but no brain damage, their eye movements are similar to normal people.
The research team's future plan for this technology is to use this eye tracking technology to assess Iraqi and Afghan veterans, as well as tools for whether or not the army has suffered a concussion disorder. Other applications may include assessment of neurodegenerative diseases such as Alzheimer's disease and other forms of indifference.
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