Search Results - "Kuplicki, Rayus"
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Imprecise action selection in substance use disorder: Evidence for active learning impairments when solving the explore-exploit dilemma
Published in Drug and alcohol dependence (01-10-2020)“…•Decision-making mechanisms in substance use disorders (SUDs) remain poorly understood.•We used computational modeling to better understand these…”
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A Nonlinear Simulation Framework Supports Adjusting for Age When Analyzing BrainAGE
Published in Frontiers in aging neuroscience (24-10-2018)“…Several imaging modalities, including T1-weighted structural imaging, diffusion tensor imaging, and functional MRI can show chronological age related changes…”
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Perceptual insensitivity to the modulation of interoceptive signals in depression, anxiety, and substance use disorders
Published in Scientific reports (22-01-2021)“…This study employed a series of heartbeat perception tasks to assess the hypothesis that cardiac interoceptive processing in individuals with…”
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Long-term stability of computational parameters during approach-avoidance conflict in a transdiagnostic psychiatric patient sample
Published in Scientific reports (03-06-2021)“…Maladaptive behavior during approach-avoidance conflict (AAC) is common to multiple psychiatric disorders. Using computational modeling, we previously reported…”
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5
Recovery of cerebral blood flow following sports-related concussion
Published in JAMA neurology (01-05-2015)“…Animal models suggest that reduced cerebral blood flow (CBF) is one of the most enduring physiological deficits following concussion. Despite this,…”
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It is never as good the second time around: Brain areas involved in salience processing habituate during repeated drug cue exposure in treatment engaged abstinent methamphetamine and opioid users
Published in NeuroImage (Orlando, Fla.) (01-09-2021)“…The brain response to drug-related cues is an important marker in addiction-medicine. However, the temporal dynamics of this response in repeated exposure to…”
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Group and individual level variations between symmetric and asymmetric DLPFC montages for tDCS over large scale brain network nodes
Published in Scientific reports (14-01-2021)“…Two challenges to optimizing transcranial direct current stimulation (tDCS) are selecting between, often similar, electrode montages and accounting for…”
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Rapid, reliable mobile assessment of affect-related motor processing
Published in Behavior research methods (01-12-2023)“…Mobile technologies can be used for behavioral assessments to associate changes in behavior with environmental context and its influence on mental health and…”
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A Bayesian computational model reveals a failure to adapt interoceptive precision estimates across depression, anxiety, eating, and substance use disorders
Published in PLoS computational biology (14-12-2020)“…Recent neurocomputational theories have hypothesized that abnormalities in prior beliefs and/or the precision-weighting of afferent interoceptive signals may…”
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Predicting Age From Brain EEG Signals-A Machine Learning Approach
Published in Frontiers in aging neuroscience (02-07-2018)“…The brain age gap estimate (BrainAGE) is the difference between the estimated age and the individual chronological age. BrainAGE was studied primarily using…”
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Association of Generalized Anxiety Disorder With Autonomic Hypersensitivity and Blunted Ventromedial Prefrontal Cortex Activity During Peripheral Adrenergic Stimulation: A Randomized Clinical Trial
Published in JAMA psychiatry (Chicago, Ill.) (01-04-2022)“…β-Adrenergic stimulation elicits heart palpitations and dyspnea, key features of acute anxiety and sympathetic arousal, yet no neuroimaging studies have…”
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Amphetamine use disorder is associated with striatum hypoactivation during anticipation of loss and reward
Published in Journal of psychopharmacology (Oxford) (01-03-2024)“…Background: Dysregulated ventral striatum function has been proposed as one important process occurring in individuals with substance use disorder. This study…”
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The pitfalls of using Gaussian Process Regression for normative modeling
Published in PloS one (15-09-2021)“…Normative modeling, a group of methods used to quantify an individual's deviation from some expected trajectory relative to observed variability around that…”
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Diminished responses to bodily threat and blunted interoception in suicide attempters
Published in eLife (07-04-2020)“…Psychological theories of suicide suggest that certain traits may reduce aversion to physical threat and increase the probability of transitioning from…”
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Physical characteristics not psychological state or trait characteristics predict motion during resting state fMRI
Published in Scientific reports (23-01-2019)“…Head motion (HM) during fMRI acquisition can significantly affect measures of brain activity or connectivity even after correction with preprocessing methods…”
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Neuronally-enriched exosomal microRNA-27b mediates acute effects of ibuprofen on reward-related brain activity in healthy adults: a randomized, placebo-controlled, double-blind trial
Published in Scientific reports (17-01-2022)“…This double-blind, randomized, within-subjects design evaluated whether acute administration of an anti-inflammatory drug modulates neuron-specific,…”
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The propensity to sign-track is associated with externalizing behavior and distinct patterns of reward-related brain activation in youth
Published in Scientific reports (16-03-2023)“…Externalizing behaviors in childhood often predict impulse control disorders in adulthood; however, the underlying bio-behavioral risk factors are incompletely…”
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A hidden menace? Cytomegalovirus infection is associated with reduced cortical gray matter volume in major depressive disorder
Published in Molecular psychiatry (01-08-2021)“…Human cytomegalovirus (HCMV) infection is associated with neuropathology in patients with impaired immunity and/or inflammatory diseases. However, the…”
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Replicable association between human cytomegalovirus infection and reduced white matter fractional anisotropy in major depressive disorder
Published in Neuropsychopharmacology (New York, N.Y.) (01-04-2021)“…Major depressive disorder (MDD) is associated with reductions in white matter microstructural integrity as measured by fractional anisotropy (FA), an index…”
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Visual cortical regions show sufficient test-retest reliability while salience regions are unreliable during emotional face processing
Published in NeuroImage (Orlando, Fla.) (15-10-2020)“…Functional magnetic resonance imaging studies frequently use emotional face processing tasks to probe neural circuitry related to psychiatric disorders and…”
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