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A brain scan. Photo credit: cottonbro from Pexels.
Photo credit: cottonbro from Pexels.

Mapping traumatic brain injury patterns with neuroimaging

Faculty member offers a look at research team’s deep learning model.

December 2, 2021 by Strategic Communication

Brain patterns can be difficult to predict. This is especially true when neurological disorders or traumatic brain injuries are involved.  

“Traumatic brain injuries (TBI) can lead to lasting physical, emotional and cognitive impairments,” Dr. Tayo Obafemi-Ajayi, associate professor of electrical engineering at Missouri State University, said.  

“For TBI, among other neurological disorders, the information provided by neuroimaging can play a crucial role in diagnosing the disorder and predicting its development.” 

Neuroimaging explained 

How does neuroimaging work?  

One technique involves Magnetic Resonance Imaging (MRI) technology that documents brain activity in pictures.  

The technology can serve many purposes in neuroscience. This includes providing a path to predicting TBI’s severity, as Obafemi-Ajayi and her team of researchers have found. 

Their research on the subject recently received the Best Paper Award at the 2021 IEEE International Conference on Computational Intelligence in Bioinformatics and Computational Biology (CIBCB).  

Check out their research 

From machine-fueled models to real understanding 

Obafemi-Ajayi’s team evaluated a deep learning model that draws from machine learning.  

“Our model is based on neural networks, which attempt to mimic neurons in the human brain,” Obafemi-Ajayi said.  

While they know the networks work, the researchers are investigating how and why they do. This ambiguity has led the neural networks’ model to be coined a “black box.”  

Obafemi-Ajayi’s research team hopes to break out of the black box’s barriers. This can only become possible by learning where exactly the parameters begin and end. 

“We want to understand exactly why the model produces such accurate results,” Obafemi-Ajayi said. “This would allow us to make the model explainable beyond the black box that has up to this point confined interpretations of how it works.” 

Explore the cooperative engineering program 


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Filed Under: Discovery, Faculty and Staff Page Tagged With: College of Natural and Applied Sciences, Engineering, faculty, research, Tayo Obafemi-Ajayi

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