Guillermo Horga New York State Psychiatric Institute Biography Publications Institution JoVE Articles Guillermo Horga has not added a biography. If you are Guillermo Horga and would like to personalize this page please email our Author Liaison for assistance. Publications Neuromelanin-Sensitive Magnetic Resonance Imaging As a Proxy Marker for Catecholamine Function in Psychiatry JAMA Psychiatry. Jul, 2021 | Pubmed ID: 34009285 Ubiquitous Dopamine Deficit Hypotheses in Cocaine Use Disorder Lack Support: Response to Leyton The American Journal of Psychiatry. 05, 2021 | Pubmed ID: 33979543 Cross-Scanner Harmonization of Neuromelanin-Sensitive MRI for Multisite Studies Journal of Magnetic Resonance Imaging : JMRI. May, 2021 | Pubmed ID: 33960063 Rethinking Delusions: A Selective Review of Delusion Research Through a Computational Lens Schizophrenia Research. Mar, 2021 | Pubmed ID: 33676820 Reliability and Reproducibility of Neuromelanin-Sensitive Imaging of the Substantia Nigra: A Comparison of Three Different Sequences Journal of Magnetic Resonance Imaging : JMRI. 03, 2021 | Pubmed ID: 33037730 Association Between Neuromelanin-sensitive MRI Signal and Psychomotor Slowing in Late-life Depression Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 06, 2021 | Pubmed ID: 32919398 The Quest for a Selective Mapping Between Striatal Dopamine Subcircuits and Psychosis Symptoms Biological Psychiatry. Cognitive Neuroscience and Neuroimaging. 11, 2020 | Pubmed ID: 33161955 Distinct Hierarchical Alterations of Intrinsic Neural Timescales Account for Different Manifestations of Psychosis ELife. 10, 2020 | Pubmed ID: 33107431 Evidence for Dopamine Abnormalities in the Substantia Nigra in Cocaine Addiction Revealed by Neuromelanin-Sensitive MRI The American Journal of Psychiatry. 11, 2020 | Pubmed ID: 32854531 Proof of Mechanism and Target Engagement of Glutamatergic Drugs for the Treatment of Schizophrenia: RCTs of Pomaglumetad and TS-134 on Ketamine-induced Psychotic Symptoms and PharmacoBOLD in Healthy Volunteers Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 10, 2020 | Pubmed ID: 32403118 Publisher Correction: An Integrative Framework for Perceptual Disturbances in Psychosis Nature Reviews. Neuroscience. 05, 2020 | Pubmed ID: 32157236 Reproducibility Assessment of Neuromelanin-sensitive Magnetic Resonance Imaging Protocols for Region-of-interest and Voxelwise Analyses NeuroImage. 03, 2020 | Pubmed ID: 31841683 An Integrative Framework for Perceptual Disturbances in Psychosis Nature Reviews. Neuroscience. 12, 2019 | Pubmed ID: 31712782 Widespread Temporal Coding of Cognitive Control in the Human Prefrontal Cortex Nature Neuroscience. 11, 2019 | Pubmed ID: 31570859 Significant Improvement in Treatment Resistant Auditory Verbal Hallucinations After 5 Days of Double-blind, Randomized, Sham Controlled, Fronto-temporal, Transcranial Direct Current Stimulation (tDCS): A Replication/extension Study Brain Stimulation. Jul - Aug, 2019 | Pubmed ID: 30922713 A Distinct Inferential Mechanism for Delusions in Schizophrenia Brain : a Journal of Neurology. 06, 2019 | Pubmed ID: 30895299 Neuromelanin-sensitive MRI As a Noninvasive Proxy Measure of Dopamine Function in the Human Brain Proceedings of the National Academy of Sciences of the United States of America. 03, 2019 | Pubmed ID: 30796187 A Predictive Model for Conversion to Psychosis in Clinical High-risk Patients Psychological Medicine. 05, 2019 | Pubmed ID: 29950184 Neuromelanin Detection by Magnetic Resonance Imaging (MRI) and Its Promise As a Biomarker for Parkinson's Disease NPJ Parkinson's Disease. 2018 | Pubmed ID: 29644335 A Perceptual Inference Mechanism for Hallucinations Linked to Striatal Dopamine Current Biology : CB. 02, 2018 | Pubmed ID: 29398218 Abnormal Fronto-striatal Activation As a Marker of Threshold and Subthreshold Bulimia Nervosa Human Brain Mapping. 04, 2018 | Pubmed ID: 29322687 Attenuated First-rank Symptoms and Conversion to Psychosis in a Clinical High-risk Cohort Early Intervention in Psychiatry. 12, 2018 | Pubmed ID: 29230968 Aberrant Temporal Connectivity in Persons at Clinical High Risk for Psychosis Biological Psychiatry. Cognitive Neuroscience and Neuroimaging. Nov, 2017 | Pubmed ID: 29202110 Distinct Relationships Between Visual and Auditory Perceptual Abnormalities and Conversion to Psychosis in a Clinical High-Risk Population JAMA Psychiatry. 01, 2017 | Pubmed ID: 27851840 Auditory Hallucinations and the Brain's Resting-State Networks: Findings and Methodological Observations Schizophrenia Bulletin. 09, 2016 | Pubmed ID: 27280452 Dopamine-Related Disruption of Functional Topography of Striatal Connections in Unmedicated Patients With Schizophrenia JAMA Psychiatry. 08, 2016 | Pubmed ID: 27145361 Motivational Context Modulates Prediction Error Response in Schizophrenia Schizophrenia Bulletin. 11, 2016 | Pubmed ID: 27105903 Dynamic Connectivity Between Brain Networks Supports Working Memory: Relationships to Dopamine Release and Schizophrenia The Journal of Neuroscience : the Official Journal of the Society for Neuroscience. Apr, 2016 | Pubmed ID: 27076432 Mechanisms of Working Memory Impairment in Schizophrenia Biological Psychiatry. 10, 2016 | Pubmed ID: 27056754 Sex-specific Neural Activity when Resolving Cognitive Interference in Individuals with or Without Prior Internalizing Disorders Psychiatry Research. Neuroimaging. Mar, 2016 | Pubmed ID: 27000310 Neural Dysfunction in Cognitive Control Circuits in Persons at Clinical High-Risk for Psychosis Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. Apr, 2016 | Pubmed ID: 26354046 Changes in Corticostriatal Connectivity During Reinforcement Learning in Humans Human Brain Mapping. Feb, 2015 | Pubmed ID: 25393839 Deficits in Predictive Coding Underlie Hallucinations in Schizophrenia The Journal of Neuroscience : the Official Journal of the Society for Neuroscience. Jun, 2014 | Pubmed ID: 24920613 The Striatum and Dopamine: a Crossroad of Risk for Schizophrenia JAMA Psychiatry. May, 2014 | Pubmed ID: 24622875 Annual Research Review: Current Limitations and Future Directions in MRI Studies of Child- and Adult-onset Developmental Psychopathologies Journal of Child Psychology and Psychiatry, and Allied Disciplines. Jun, 2014 | Pubmed ID: 24438507 Brain Metabolism During Hallucination-like Auditory Stimulation in Schizophrenia PloS One. 2014 | Pubmed ID: 24416328 Discriminating Risk and Resilience Endophenotypes from Lifetime Illness Effects in Familial Major Depressive Disorder JAMA Psychiatry. Feb, 2014 | Pubmed ID: 24369340 Altered Activation in Fronto-striatal Circuits During Sequential Processing of Conflict in Unmedicated Adults with Obsessive-compulsive Disorder Biological Psychiatry. Apr, 2014 | Pubmed ID: 23489416 An FMRI Study of Self-regulatory Control and Conflict Resolution in Adolescents with Bulimia Nervosa The American Journal of Psychiatry. Nov, 2011 | Pubmed ID: 21676991 Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra Garrett Salzman1, Jocelyn Kim1, Guillermo Horga*1,2, Kenneth Wengler*1,2 1New York State Psychiatric Institute, 2Department of Psychiatry, Columbia University JoVE 62493 Neuroscience
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra Garrett Salzman1, Jocelyn Kim1, Guillermo Horga*1,2, Kenneth Wengler*1,2 1New York State Psychiatric Institute, 2Department of Psychiatry, Columbia University JoVE 62493 Neuroscience