Developing algorithms to predict adult onset internalizing disorders: An ensemble learning approach

Publication date: Available online 6 December 2019Source: Journal of Psychiatric ResearchAuthor(s): Anthony J. Rosellini, Siyu Liu, Grace N. Anderson, Sophia Sbi, Esther Tung, Evdokia KnyazhanskayaAbstractA growing literature is utilizing machine learning methods to develop psychopathology risk algorithms that can be used to inform preventive intervention. However, efforts to develop algorithms for internalizing disorder onset have been limited. The goal of this study was to utilize prospective survey data and ensemble machine learning to develop algorithms predicting adult onset internalizing disorders. The data were from Waves 1–2 of the National Epidemiological Survey on Alcohol and Related Conditions (n = 34,653). Outcomes were incident occurrence of DSM-IV generalized anxiety, panic, social phobia, depression, and mania between Waves 1–2. In total, 213 risk factors (features) were operationalized based on their presence/occurrence at the time of or before Wave 1. For each of the five internalizing disorder outcomes, super learning was used to generate a composite algorithm from several linear and non-linear classifiers (e.g., random forests, k-nearest neighbors). AUCs achieved by the cross-validated super learner ensembles were in the range of 0.76 (depression) to 0.83 (mania), and were higher than AUCs achieved by the individual algorithms. Individuals in the top 10% of super learner predicted risk accounted for 37.97% (depression) to 53.39% (social anxi...
Source: Journal of Psychiatric Research - Category: Psychiatry Source Type: research

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Opioids are a group of very strong pain relievers used to relieve pain after a surgery or traumatic injury. They are much more effective than over-the-counter pain relievers, however, they are also highly addictive. People who suffer from mental health conditions are much more likely to become addicted to opioids, making it important to understand the link between opioids and mental health. The Connection Between Addiction to Opioids and Mental Health People with mood and anxiety disorders are twice as likely to use opioids as people without mental health disorders They are also more than three times as likely to misuse ...
Source: Cliffside Malibu - Category: Addiction Authors: Tags: Addiction Addiction to Pharmaceuticals Mental Health mental health costs mental health coverage mental illness opiate addiction opiates opioid opioid crisis opioids Source Type: blogs
CONCLUSION: Similar to the past SCID versions, kappa values were found to be quite high and all were statistically significant. The Turkish version of SCID-5/ CV can be reliably used in both clinical practice and clinical studies. PMID: 31170307 [PubMed - in process]
Source: Turkish Journal of Psychiatry - Category: Psychiatry Authors: Tags: Turk Psikiyatri Derg Source Type: research
Hui Xu1,2,3, Chenguang Guo1, Haining Li1, Lin Gao2, Ming Zhang1* and Yuan Wang1* 1Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China 2Key Laboratory of Biomedical Information Engineering of Education Ministry, Institute of Biomedical Engineering, Xi'an Jiaotong University, Xi'an, China 3Faculty of Dentistry, University of Toronto, Toronto, ON, Canada Background and Purpose: Hemifacial spasm (HFS) is a rare neuromuscular disorder characterized by unilateral, involuntary, and paroxysmal contractions of orofacial muscles. To eluci...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
Conclusion It is clear that clinically, there is still much to be learnt about alexithymia and its relationship with a range of related phenomena. Firstly, is alexithymia a continuous and stable trait independent of psychological or somatic symptomology that is developed during childhood? Or is it instead a reactive state induced by trauma and distress at any age, which serves to defend against intense and upsetting emotions? This impacts on treatment options. For example, should we be focussing on early childhood interventions which target the child's emotional environment and parenting to encourage emotional exp...
Source: Frontiers in Psychiatry - Category: Psychiatry Source Type: research
CONCLUSIONS: The relationship between schizophrenia liability and anxiety disorders is not restricted to psychopathology in adolescence but is present in adulthood and specifically linked to generalised anxiety disorder and panic disorder. We suggest that the association between schizophrenia liability and hypomanic/manic episodes found in clinical samples may not be due to bias.Declarations of interestNone. PMID: 30472973 [PubMed - as supplied by publisher]
Source: The British Journal of Psychiatry for Mental Science - Category: Psychiatry Tags: Br J Psychiatry Source Type: research
Conclusion Migration was associated with a higher prevalence of all anxiety disorders, in the first, second and third generation, and associated with more psychiatric comorbidities. Moreover, the prevalence increased across generations, and was significantly higher among third-generation migrants, in comparison to first-generation.
Source: Journal of Psychiatric Research - Category: Psychiatry Source Type: research
Conclusion: This novel technology discriminates and quantifies subtle differences in behavior and neurological impairments in subjects afflicted with neurological injury/disease. KINARM assessments can be incorporated into multi-center trials (e.g., monitoring stroke motor recovery: NCT02928393). Further studies will determine if KINARM Labs can demonstrate a clinical effect with fewer subjects over a shorter trial period. Disclosures/funding: Dr. Stephen Scott is the inventor of KINARM and CSO of BKIN Technologies.   Multiplexed mass spectrometry assay identifies neurodegeneration biomarkers in CSF Presenter: Chelsky...
Source: Innovations in Clinical Neuroscience - Category: Neuroscience Authors: Tags: Assessment Tools biomarkers Cognition Current Issue Drug Development General Genetics Medical Issues Neurology Patient Assessment Psychopharmacology Scales Special Issues Supplements Trial Methodology clinical trials CNS Su Source Type: research
Conclusion The SCIP is reliable and valid diagnostic interview, is compatible with experimental psychopathology and personalized psychiatry research, and is in line with the NIMH RDoC framework. The SCIP Instruction Manual is also available for download by visiting http://innovationscns.com/wp-content/uploads/SCIP_Instruction_Manual_2015.pdf. Acknowledgment Dr. Aboraya had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analyses. References 1.     Stone M. Healing the Mind: A History of Psychiatry from Antiquity to the Present. In: ...
Source: Innovations in Clinical Neuroscience - Category: Neuroscience Authors: Tags: Assessment Tools Current Issue Evaluations Psychiatry Reliability of Diagnoses Review Scales Trial Methodology descriptive psychopathology diagnostic criteria dimensional scores Psychiatric interview SCIP Standard for Clinicians Source Type: research
Conclusion The SCIP is reliable and valid diagnostic interview, is compatible with experimental psychopathology and personalized psychiatry research, and is in line with the NIMH RDoC framework. The SCIP Instruction Manual is also available for download by visiting http://innovationscns.com/wp-content/uploads/SCIP_Instruction_Manual_2015.pdf. Acknowledgment Dr. Aboraya had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analyses. References 1.     Stone M. Healing the Mind: A History of Psychiatry from Antiquity to the Present. In: ...
Source: Innovations in Clinical Neuroscience - Category: Neuroscience Authors: Tags: Assessment Tools Current Issue Evaluations Psychiatry Reliability of Diagnoses Review Scales Trial Methodology descriptive psychopathology diagnostic criteria dimensional scores Psychiatric interview SCIP Standard for Clinicians Source Type: research
While previous studies suggest that psychotic experiences are associated with an elevated risk of subsequent mental disorders, the findings of a study published online today in AJP in Advance also suggest that most mental disorders are associated with an elevated risk of subsequent psychotic experiences.John McGrath, M.D., Ph.D. (pictured above), a professor of psychiatry at the University of Queensland in Brisbane, Australia, and colleagues drew on data gathered by trained lay interviewers on 31,261 people in 18 countries as part of the World Health Organization’s World Mental Health Surveys. They were looking not j...
Source: Psychiatr News - Category: Psychiatry Tags: American Journal of Psychiatry depression Evelyn Bromet John McGrath Kenneth Kendler mental disorders mood disorders psychiatric epidemiology psychosis psychotic experiences Ronald Kessler WHO Source Type: research
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