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Study shows AI can predict anxiety levels with picture tasks

AI predicts anxiety
Picture rating task and judgment variable extraction. Credit: npj Mental Health Research (2024). DOI: 10.1038/s44184-024-00074-x

Researchers at the University of Cincinnati developed a new form of artificial intelligence that uses a short picture rating task and a small set of contextual variables to predict whether someone is experiencing anxiety.

Anxiety can be functionally impairing, affecting 12% of the U.S. population as a leading cause of disability. It's characterized by intense fear and persistent worry in the absence of a defined threat. Chronic anxiety can harm a person's mental and and affect relationships, careers and quality of life.

"I feel anxiety is experienced by everyone at different levels, at different stages in life, and is a relatable issue for most people," said Sumra Bari, first author and a senior research associate in UC's College of Engineering and Applied Science.

"We used minimal computational resources and a small set of variables to predict anxiety levels. An important set of these variables quantify processes important to judgment. We have named this approach 'Comp Cog AI' given it integrates computational cognition with artificial intelligence."

Instead of sorting through reams of social, medical or psychological data (one aspect of "") and using supercomputers with significant energy demands, this technique focuses on a short rating task where the individual assigns positive or negative ratings to pictures and responds to a limited set of contextual questions, such as age and loneliness.

"There has been a major focus on using big data for prediction," said Hans Breiter, co-author and contact principal investigator of the study.

Breiter is a professor of computer science and at the University of Cincinnati, and adjunct in psychiatry at Massachusetts General Hospital and Harvard Medical School.

"Big data-based prediction is powerful but is challenged by how one interprets such predictions," he said.

"Having a small number of variables grounded in mathematical psychology appears to get around this issue and is needed if current machine learning is ever going to approach the issue of artificial general intelligence, or what brains do routinely for multiple cognitive functions. The current work is based on a set of equations about human judgment that support the concept of what other AI scientists are calling a 'standard model of the mind.'"

The study was published in npj Mental Health Research. It concluded that judgment measures with some demographics play a key role in predicting the degree of anxiety experienced by an individual.

The system represents a "concierge prototype" of a tool that could be an app for , hospitals or the military to identify those who have an urgent risk of anxiety.

Participants, whose demographics mirrored those of the United States based on U.S. Census Bureau figures, completed the study survey on their personal digital devices and answered questions about demographic characteristics and perceived loneliness.

These 3,476 participants also rated the degree to which they liked or disliked 48 pictures with mildly emotional subject matter. The picture rating data were used to quantify mathematical features of people's judgments. These data were then used with machine learning algorithms to predict current levels of anxiety from the state anxiety portion of the State-Trait Anxiety Inventory.

"Use of a picture rating task with contextual variables that affect judgment may seem simple, but understanding patterns in preference allows us to uncover the critical components for a large set of behaviors," said co-senior author Aggelos Katsaggelos, the Joseph Cummings Professor of Electrical and Computer Engineering at McCormick and director of the Image and Video Processing Lab at Northwestern University.

Using this novel form of developed by UC and Northwestern, the technology was able to predict whether a respondent was likely to suffer from a higher or lower level of anxiety with up to 81% accuracy. The system also scored high in sensitivity and specificity—performance measures indicating how well the model classified people who have higher anxiety and those who don't.

Bari noted, "The picture-rating task can be used to produce daily and unbiased snap shots of a person's mental health status without asking direct questions which may trigger negative or upsetting feelings."

She added that direct questions about anxiety may be less effective over time as respondents eventually tend to answer the same questions by rote. The new technology is also independent of native language and can be widely used across a variety of settings to assess anxiety.

Researchers noted that the anonymous data were sampled from the U.S. population during the COVID-19 pandemic, during which there were reports of higher-than-normal rates of loneliness and .

More information: Sumra Bari et al, A novel approach to anxiety level prediction using small sets of judgment and survey variables, npj Mental Health Research (2024). DOI: 10.1038/s44184-024-00074-x

Citation: Study shows AI can predict anxiety levels with picture tasks (2024, June 18) retrieved 14 July 2024 from https://medicalxpress.com/news/2024-06-ai-anxiety-picture-tasks.html
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