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    Artificial intelligence deployment may prevent suicides among youth

    Written by Medha Baranwal Baranwal Published On 2019-12-17T19:15:21+05:30  |  Updated On 17 Dec 2019 7:15 PM IST
    Artificial intelligence deployment may prevent suicides among youth

    The researchers at USC Viterbi School of Engineering are deploying artificial intelligence in a bid to mitigate suicide and death among youth.


    The researchers have been working over the last couple of years to design an algorithm capable of identifying who in a given real-life social group would be the best persons to be trained as "gatekeepers" capable of identifying warning signs of suicide and how to respond.


    In their paper to be presented at the Thirty-third Conference on Neural Information Processing Systems (NeurIPS), Phebe Vayanos, assistant professor of Industrial and Systems Engineering and Computer Science at the USC Viterbi School of Engineering, and colleagues, investigated the potential of social connections such as friends, relatives, and acquaintances to help mitigate the risk of suicide.


    This could be an important step in preventing suicides given its increasing rate worldwide, especially among youth. According to WHO, close to 800 000 people die due to suicide every year. It is the third leading cause of death in 15-19-year-olds. Suicide is a serious public health problem; however, suicides are preventable with timely, evidence-based and often low-cost interventions.


    "In this research, we wanted to find ways to mitigate suicidal ideation and death among youth. Our idea was to leverage real-life social network information to build a support network of strategically positioned individuals that can 'watch-out' for their friends and refer them to help as needed," Vayanos said.


    "We want to ensure that a maximum number of people are being watched out for, taking into account resource limitations and uncertainties of open-world deployment. For example, if some of the people in the network are not able to make it to the gatekeeper training, we still want to have a robust support network," Vayanos said.


    For this study, Vayanos and Rahmattalabi looked at the web of social relationships of young people experiencing homelessness in Los Angeles, given that 1 in 2 youth who are homeless have considered suicide.


    "Our algorithm can improve the efficiency of suicide prevention training for this particularly vulnerable population," Vayanos said.


    For Vayanos, efficiency translates into developing a model and algorithm that can stretch limited resources as far as they can go. In this scenario, limited resources are human gatekeepers. This algorithm tries to plan how these individuals can be best positioned and trained in a network to watch out for others.


    "If you are strategic," says Vayanos, "you can cover more people and you can have a more robust network of support."


    "Through this study, we can also help inform policymakers who are making decisions regarding funding on suicide prevention initiatives; for example, by sharing with them the minimum number of people who need to receive the gatekeeper training to ensure that all youth have at least one trained friend who can watch out for them," Vayanos said.


    "We aim to protect as many youths as possible," said lead author, Rahmattalabi.


    An important goal when deploying this A.I. system is to ensure fairness and transparency.


    "We often work in environments that have limited resources, and this tends to disproportionately affect historically marginalized and vulnerable populations," said co-author on the study Anthony Fulginiti, an assistant professor of social work at the University of Denver who received his PhD from USC, having begun his research with Eric Rice, founding director of USC CAIS.


    "This algorithm can help us find a subset of people in a social network that gives us the best chance that youth will be connected to someone who has been trained when dealing with resource constraints and other uncertainties," said Fulginiti.


    This work is particularly important for vulnerable populations, say the researchers, particularly for youth who are experiencing homelessness.


    "One of the surprising things we discovered in our experiments based on social networks of homeless youth is that existing A.I. algorithm if deployed without customization, result in discriminatory outcomes by up to 68% difference in protection rate across races. The goal is to make this algorithm as fair as possible and adjust the algorithm to protect those groups that are worse off," Rahmattalabi said.


    The USC CAIS researchers want to ensure that "gatekeeper" coverage of the more vulnerable groups is as high as possible. Their algorithm reduced the bias in coverage in real-life social networks of homeless youth by as much as 20%.


    Said Rahmattalabi: "Not only does our solution advance the field of computer science by addressing a computationally hard problem, but also it pushes the boundaries of social work and risk management science by bringing in computational methods into design and deployment of prevention programs."


    The paper, "Exploring Algorithmic Fairness in Robust Graph Covering Problems, is to be presented at the Thirty-third Conference on Neural Information Processing Systems (NeurIPS).

    Artificial  intelligenceConference on Neural Information Processing SystemsPhebe Vayanossuicide
    Source : Thirty-third Conference on Neural Information Processing Systems

    Disclaimer: This site is primarily intended for healthcare professionals. Any content/information on this website does not replace the advice of medical and/or health professionals and should not be construed as medical/diagnostic advice/endorsement or prescription. Use of this site is subject to our terms of use, privacy policy, advertisement policy. © 2020 Minerva Medical Treatment Pvt Ltd

    Medha Baranwal Baranwal
    Medha Baranwal Baranwal
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