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Decoding Mindfulness With Multivariate Predictive Models.
Biol Psychiatry Cogn Neurosci Neuroimaging
November 2024
Washington University in St. Louis, St. Louis, Missouri.
Identifying the brain mechanisms that underlie the salutary effects of mindfulness meditation and related practices is a critical goal of contemplative neuroscience. Here, we suggest that the use of multivariate predictive models represents a promising and powerful methodology that could be better leveraged to pursue this goal. This approach incorporates key principles of multivariate decoding, predictive classification, and model-based analyses, all of which represent a strong departure from conventional brain mapping approaches.
View Article and Find Full Text PDFNeural signatures of imaginary motivational states: desire for music, movement and social play.
Brain Topogr
September 2024
Cognitive Electrophysiology lab, Dept. of Psychology, University of Milano, Bicocca, Italy.
The literature has demonstrated the potential for detecting accurate electrical signals that correspond to the will or intention to move, as well as decoding the thoughts of individuals who imagine houses, faces or objects. This investigation examines the presence of precise neural markers of imagined motivational states through the combining of electrophysiological and neuroimaging methods. 20 participants were instructed to vividly imagine the desire to move, listen to music or engage in social activities.
View Article and Find Full Text PDFOdour-imagery ability is linked to food craving, intake, and adiposity change in humans.
Nat Metab
September 2023
Modern Diet and Physiology Research Center, New Haven, CT, USA.
It is well-known that food-cue reactivity (FCR) is positively associated with body mass index (BMI) and weight change, but the mechanisms underlying these relationships are incompletely understood. One prominent theory of craving posits that the elaboration of a desired substance through sensory imagery intensifies cravings, thereby promoting consumption. Olfaction is integral to food perception, yet the ability to imagine odours varies widely.
View Article and Find Full Text PDFDecoding Craving: Insights From a Brain-Based Connectome Predictive Model of Subjective Reports.
Am J Psychiatry
June 2023
Department of Psychiatry, University Behavioral Health Care, and the Brain Health Institute (Konova, Schweitzer), and Graduate Program in Neuroscience, Robert Wood Johnson Medical School (Schweitzer), Rutgers University-New Brunswick, Piscataway, N.J.
Connectome-based prediction of craving in gambling disorder and cocaine use disorder.
Dialogues Clin Neurosci
December 2023
Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA.
Introduction: Craving, involving intense and urgent desires to engage in specific behaviours, is a feature of addictions. Multiple studies implicate regions of salience/limbic networks and basal ganglia, fronto-parietal, medial frontal regions in craving in addictions. However, prior studies have not identified common neural networks that reliably predict craving across substance and behavioural addictions.
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