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Dissociable ventral and dorsal sensorimotor functional circuits linking the hypomanic personality traits to aggression via behavioral inhibition system.
Int J Clin Health Psychol
January 2025
Faculty of Psychology, Tianjin Normal University, Tianjin, 300387, China.
Hypomanic personality traits (HPT) are susceptibility markers for psychiatric disorders, particularly bipolar disorder, and are strongly associated with aggressive behaviors. However, the neuropsychological mechanisms underlying this association remain unclear. This study utilized psychometric network analysis and (IS-RSA) to explore the neuropsychological circuits that link HPT to aggression in a large non-clinical population.
View Article and Find Full Text PDFRandomized Controlled Trial of the Effects of High-Dose Ondansetron on Clinical Symptoms and Brain Connectivity in Obsessive-Compulsive and Tic Disorders.
Am J Psychiatry
January 2025
Nathan Kline Institute for Psychiatric Research, Orangeburg, NY (Stern, Collins, Bragdon, Eng, Recchia, Tobe, Iosifescu); Department of Psychiatry (Stern, Bragdon, Eng, Recchia, Iosifescu) and Neuroscience Institute (Stern, Iosifescu), New York University Langone Medical Center, New York; Department of Psychiatry, University of Miami Medical School, Miami (Coffey); Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York (Leibu, Murrough); Center for the Developing Brain, Child Mind Institute, New York (Tobe); Department of Psychiatry, Brigham and Women's Hospital, Boston (Burdick); Harvard Medical School, Boston (Burdick); Department of Psychiatry, Baylor College of Medicine, Houston (Goodman).
Objective: Sensory phenomena (SP) are aversive sensations driving repetitive behaviors in obsessive-compulsive disorder (OCD) and Tourette's disorder that are not well addressed by standard treatments. SP are related to the functioning of an interoceptive-sensorimotor circuit that may be modulated by the 5-HT receptor antagonist ondansetron. The present study employed an experimental medicine approach to test the effects of 4 weeks of high-dose ondansetron compared to placebo on SP severity and brain connectivity in a cohort of individuals with OCD and/or Tourette's disorder.
View Article and Find Full Text PDFRetroFun-RVS: A Retrospective Family-Based Framework for Rare Variant Analysis Incorporating Functional Annotations.
Genet Epidemiol
March 2025
Department of Social and Preventive Medicine, Laval University, Quebec City, Quebec, Canada.
A large proportion of genetic variations involved in complex diseases are rare and located within noncoding regions, making the interpretation of underlying biological mechanisms a daunting task. Although technical and methodological progress has been made to annotate the genome, current disease-rare-variant association tests incorporating such annotations suffer from two major limitations. First, they are generally restricted to case-control designs of unrelated individuals, which often require tens or hundreds of thousands of individuals to achieve sufficient power.
View Article and Find Full Text PDFThe interaction network and potential clinical effectiveness of dimensional psychopathology phenotyping based on EMR: a Bayesian network approach.
BMC Psychiatry
January 2025
West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China.
The current DSM-oriented diagnostic paradigm has introduced the issue of heterogeneity, as it fails to account for the identification of the neurological processes underlying mental illnesses, which affects the precision of treatment. The Research Domain Criteria (RDoC) framework serves as a recognized approach to addressing this heterogeneity, and several assessment and translation techniques have been proposed. Among these methods, transforming RDoC scores from electronic medical records (EMR) using Natural Language Processing (NLP) has emerged as a suitable technique, demonstrating clinical effectiveness.
View Article and Find Full Text PDFInvoluntary autobiographical memories as a transdiagnostic factor in mental disorders.
Clin Psychol Rev
January 2025
Center on Autobiographical Memory Research, Department of Psychology, Aarhus University, Denmark.
Involuntary autobiographical memories are memories of personal events that come to mind with no preceding retrieval attempts. They have been studied broadly in autobiographical memory for decades and shown to be common and mostly positive in everyday life. Clinical literature has focused on negative intrusive memories of stressful events and tended to neglect other forms of involuntary autobiographical memories.
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