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Graduate Student Uses Artificial Intelligence AI to Advance Epilepsy Research

Graduate Student Uses Artificial Intelligence AI to Advance Epilepsy Research

Artificial intelligence may be the next great medical tool for those with epilepsy, according to a research project done by Ph.D candidate Yogatheesan Varatharajah.

 
His research with AI resulted in a technique that can identify the brain regions that generate seizures, without requiring the inspection of actual seizures.

 
“While there is a lot of skepticism about whether artificial intelligence has a negative impact on humanity, we firmly believe that AI can be used to make mankind stronger and our work is a perfect example of that,” Varatharajah said.

Photo courtesy of Yogatheesan Varatharajah
Ph.D candidate Yogatheesan Varatharajah has developed an artificial intelligence technique that can help identify seizure causing brain regions for those with epilepsy.

 

Varatharajah’s technique helps forego the manual way to find these regions, which is done through electroencephalograms (EEG). The EEG test is a way for epileptologists, neurologists specializing in epilepsy, to record information from brain regions by attaching small, flat metal discs (electrodes) to your scalp.

 
Epileptologists usually wait days or weeks in between patients’ seizures, as the EEG test is best able to identify regions during those spasms. Automating this process using Varatharajah’s AI software can eliminate the need for EEGs, and can save time for doctors to identify the regions.

 
“Later we found out that we need not even record seizures, and only non-seizure recordings can be sufficient to achieve accurate identification of seizure-generating regions,” Varatharajah said. “This was even more exciting because it has the potential to transform the way epilepsy surgery is currently performed.”

 
Usually in epilepsy research, if a brain region is responsible for seizures it generates abnormal “sparks” or activity. Yogatheesan said past research hasn’t led to any clinically relevant results in identifying seizure-generating regions, and simply finding these “sparks” isn’t enough.
“We identified that in addition to the abnormal activity (sparks), taking their temporal patterns and spatial similarities across different brain regions into consideration can improve the accuracy,” he said.

 
Varatharajah’s research was done in collaboration with Dr. Gregory Worrell, who is the chair of the clinical neurophysiology at the Mayo Clinic. Varatharajah first began his collaboration with the Mayo Clinic one summer, and a University professor, Ravishankar Iyer, encouraged him to look into that program.

 
“Since then, I have been collaborating with the Mayo Clinic for the past three years and he is constantly involved in all my projects, providing directions and suggestions to improve my research,” Vatharajah said.

 
Iyer said the University and Mayo Clinic have an alliance that connects University faculty and students with Mayo physicians, hoping to bring more engineering and computing technology to medicine. He said that it’s been an excellent partnership so far.

 
“The partnership with Mayo physicians like Dr. Worrell and others in the Center for Individualized Medicine is crucial since they have the domain knowledge and insight that we can learn and leverage,” he said.

 
Vatharajah said their AI technology is currently in the patenting process and that Dr. Worrell is evaluating if they can incorporate it into the usual clinical workflow at the Mayo Clinic.

 
“The opportunity to develop technology that can augment real human lives is the greatest impact of my research,” Vatharajah said. “We are making every effort to make this possible and soon will be in a position to witness the real impact of our technology in the patients suffering from epilepsy.”

Source: Daily Illini By A. Navarro, Audio Editor & Assistant News Editor

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