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News — Using artificial intelligence tools to analyze years of biomedical data, researchers at Rensselaer Polytechnic Institute have discovered a possible connection between sleep, gastrointestinal health, and two potentially harmful behaviors often associated with profound autism: self-injury and aggression. Their is published in the Journal of Personalized Medicine.

People with profound autism often need around-the-clock care. Additionally, it is not uncommon for them to exhibit self-injurious and aggressive behaviors, which present safety concerns for themselves and their caretakers.

“Avoiding or mitigating challenging behaviors has the potential to improve the lives of people with autism. This work has the potential to one day help caretakers predict when these challenging behaviors are more likely, helping them better plan activities and ensure everyone’s well-being,” said , senior author of the new study and head of Rensselaer’s biomedical engineering department.

The study not only connects sleep and gastrointestinal issues with future challenging behaviors, it also shows that these health issues experienced can help predict the next day’s behavior. The researchers found that, for one in five adolescents in the 80-person study group, gastrointestinal issues such as diarrhea and constipation predicted next-day challenging behaviors with more than 80% accuracy. Poor sleep quality — difficulty falling asleep or waking up multiple times during the night — also influenced behavior.

“We were not surprised to see that GI and sleep problems had an effect, as these are common health problems in those with autism spectrum disorder. However, finding such a strong connection between these issues and challenging behaviors is clinically significant and worth investigating further,” said Hahn, who is also a member of Rensselaer’s Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies.

The large quantity of data used in the study was collected by clinicians at The Center for Discovery, a research, educational, and residential Center of Excellence in Harris, New York, serving children and adults with medical and developmental disabilities such as autism spectrum disorders.

“I’m very excited about the results of this study,” said Theresa Hamlin, Ed.D., president of The Center for Discovery and one of the study’s co-authors. “At The Center, we have a very large corpus of data that spans more than a decade, but it’s a complex data set with biological, behavioral, and environmental data. This study demonstrates that using AI and machine learning, we turn that data into usable information to better predict when an individual may exhibit a significant behavior. If we can predict a behavior, then we can work on mitigating or preventing the impact of that behavior on the individual and on others. That’s huge.”

While profound autism is a lifelong condition, health care providers and caregivers can address sleep and gastrointestinal health, which, the study suggests, could in turn help with challenging behaviors, Hahn explained.

“Dr. Hahn is well-known for his work at the intersection of autism spectrum disorder and biomedical data analysis, and this latest study exemplifies how artificial intelligence approaches can translate into promising health care treatments and practices,” said Shekhar Garde, Ph.D., dean of Rensselaer’s School of Engineering.

Several aspects of the study make the findings especially relevant to residential care settings, Hahn said. Rather than tracking sleep and gastrointestinal activity in the inevitably artificial environment of a clinical trial, the scientists analyzed data collected as residents at The Center for Discovery went about their daily lives. Furthermore, the study incorporated 18 months of data on each participant, a period far longer than most clinical studies.

“While there is still much work to be done, Dr. Hahn and the team at The Center are committed to collaborating to assist more individuals with complex disabilities in achieving greater joy and wellness in their lives,” Hamlin said.

The study’s co-authors also include Jennifer Ferina, RPI doctoral candidate studying biomedical engineering and the study’s first author; Melanie Kruger, RPI undergraduate senior studying mechanical engineering; Uwe Kruger, Ph.D., RPI biomedical engineering professor of practice; and Daniel Ryan, Conor Anderson, and Jenny Foster, clinical collaborators at The Center for Discovery.

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About Rensselaer Polytechnic Institute:

Founded in 1824, Rensselaer Polytechnic Institute is America’s first technological research university. Rensselaer encompasses five schools, over 30 research centers, more than 140 academic programs including 25 new programs, and a dynamic community made up of over 6,800 students and 110,000 living alumni. Rensselaer faculty and alumni include upwards of 155 National Academy members, six members of the National Inventors Hall of Fame, six National Medal of Technology winners, six National Medal of Science winners, and a Nobel Prize winner in Physics. With nearly 200 years of experience advancing scientific and technological knowledge, Rensselaer remains focused on addressing global challenges with a spirit of ingenuity and collaboration. To learn more, please visit .

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ABOUT THE CENTER FOR DISCOVERY®: The Center for Discovery (TCFD) is a leading provider of healthcare and education services for more than 1,200 children and adults with complex conditions, medical frailties and autism spectrum disorders, located 90 miles northwest of New York City. Named a Center of Excellence in 2016, TCFD has long been a leader in developing new models of care for individuals with complex conditions. Located on 1,500 acres of land in Sullivan County, TCFD houses school campuses, residences, medical and research facilities, organic and biodynamic farmland, and leased private businesses offering meaningful employment opportunities. Deeply focused on an individual’s personal potential and possibilities, rather than a disability, TCFD strives to create better care and unique and challenging opportunities for the most vulnerable populations. 

For more information about TCFD, please visit or contact [email protected].