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Grogans SE, Hur J, Barstead MG, Anderson AS, Islam S, Kim HC, Kuhn M, Tillman RM, Fox AS, Smith JF, DeYoung KA, Shackman AJ. Neuroticism/Negative Emotionality Is Associated with Increased Reactivity to Uncertain Threat in the Bed Nucleus of the Stria Terminalis, Not the Amygdala. J Neurosci 2024; 44:e1868232024. [PMID: 39009438 PMCID: PMC11308352 DOI: 10.1523/jneurosci.1868-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 06/01/2024] [Accepted: 06/03/2024] [Indexed: 07/17/2024] Open
Abstract
Neuroticism/negative emotionality (N/NE)-the tendency to experience anxiety, fear, and other negative emotions-is a fundamental dimension of temperament with profound consequences for health, wealth, and well-being. Elevated N/NE is associated with a panoply of adverse outcomes, from reduced socioeconomic attainment to psychiatric illness. Animal research suggests that N/NE reflects heightened reactivity to uncertain threat in the bed nucleus of the stria terminalis (BST) and central nucleus of the amygdala (Ce), but the relevance of these discoveries to humans has remained unclear. Here we used a novel combination of psychometric, psychophysiological, and neuroimaging approaches to test this hypothesis in an ethnoracially diverse, sex-balanced sample of 220 emerging adults selectively recruited to encompass a broad spectrum of N/NE. Cross-validated robust-regression analyses demonstrated that N/NE is preferentially associated with heightened BST activation during the uncertain anticipation of a genuinely distressing threat (aversive multimodal stimulation), whereas N/NE was unrelated to BST activation during certain-threat anticipation, Ce activation during either type of threat anticipation, or BST/Ce reactivity to threat-related faces. It is often assumed that different threat paradigms are interchangeable assays of individual differences in brain function, yet this has rarely been tested. Our results revealed negligible associations between BST/Ce reactivity to the anticipation of threat and the presentation of threat-related faces, indicating that the two tasks are nonfungible. These observations provide a framework for conceptualizing emotional traits and disorders; for guiding the design and interpretation of biobank and other neuroimaging studies of psychiatric risk, disease, and treatment; and for refining mechanistic research.
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Affiliation(s)
- Shannon E Grogans
- Department of Psychology, University of Maryland, College Park, Maryland 20742
| | - Juyoen Hur
- Department of Psychology, Yonsei University, Seoul 03722, Republic of Korea
| | | | - Allegra S Anderson
- Department of Psychological Sciences, Vanderbilt University, Nashville, Tennessee 37240
| | - Samiha Islam
- Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Hyung Cho Kim
- Department of Psychology, University of Maryland, College Park, Maryland 20742
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland 20742
| | - Manuel Kuhn
- Center for Depression, Anxiety and Stress Research, McLean Hospital, Harvard Medical School, Belmont, Massachusetts 02478
| | | | - Andrew S Fox
- Department of Psychology, University of California, Davis, California 95616
- California National Primate Research Center, University of California, Davis, California 95616
| | - Jason F Smith
- Department of Psychology, University of Maryland, College Park, Maryland 20742
| | - Kathryn A DeYoung
- Department of Psychology, University of Maryland, College Park, Maryland 20742
| | - Alexander J Shackman
- Department of Psychology, University of Maryland, College Park, Maryland 20742
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland 20742
- Maryland Neuroimaging Center, University of Maryland, College Park, Maryland 20742
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2
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Grogans SE, Hur J, Barstead MG, Anderson AS, Islam S, Kim HC, Kuhn M, Tillman RM, Fox AS, Smith JF, DeYoung KA, Shackman AJ. Neuroticism/negative emotionality is associated with increased reactivity to uncertain threat in the bed nucleus of the stria terminalis, not the amygdala. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.02.09.527767. [PMID: 36798350 PMCID: PMC9934698 DOI: 10.1101/2023.02.09.527767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Neuroticism/Negative Emotionality (N/NE)-the tendency to experience anxiety, fear, and other negative emotions-is a fundamental dimension of temperament with profound consequences for health, wealth, and wellbeing. Elevated N/NE is associated with a panoply of adverse outcomes, from reduced socioeconomic attainment to psychiatric illness. Animal research suggests that N/NE reflects heightened reactivity to uncertain threat in the bed nucleus of the stria terminalis (BST) and central nucleus of the amygdala (Ce), but the relevance of these discoveries to humans has remained unclear. Here we used a novel combination of psychometric, psychophysiological, and neuroimaging approaches to rigorously test this hypothesis in an ethnoracially diverse, sex-balanced sample of 220 emerging adults selectively recruited to encompass a broad spectrum of N/NE. Cross-validated robust-regression analyses demonstrated that N/NE is preferentially associated with heightened BST activation during the uncertain anticipation of a genuinely distressing threat (aversive multimodal stimulation), whereas N/NE was unrelated to BST activation during certain-threat anticipation, Ce activation during either type of threat anticipation, or BST/Ce reactivity to threat-related faces. It is often assumed that different threat paradigms are interchangeable assays of individual differences in brain function, yet this has rarely been tested. Our results revealed negligible associations between BST/Ce reactivity to the anticipation of threat and the presentation of threat-related faces, indicating that the two tasks are non-fungible. These observations provide a framework for conceptualizing emotional traits and disorders; for guiding the design and interpretation of biobank and other neuroimaging studies of psychiatric risk, disease, and treatment; and for informing mechanistic research.
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Affiliation(s)
- Shannon E. Grogans
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
| | - Juyoen Hur
- Department of Psychology, Yonsei University, Seoul 03722, Republic of Korea
| | | | - Allegra S. Anderson
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN 37240 USA
| | - Samiha Islam
- Department of Psychology, University of Pennsylvania, Philadelphia, PA USA
| | - Hyung Cho Kim
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
- Department of Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742 USA
| | - Manuel Kuhn
- Center for Depression, Anxiety and Stress Research, McLean Hospital, Harvard Medical School, Belmont, MA 02478 USA
| | | | - Andrew S. Fox
- Department of Psychology, University of California, Davis, CA 95616 USA
- California National Primate Research Center, University of California, Davis, CA 95616 USA
| | - Jason F. Smith
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
| | - Kathryn A. DeYoung
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
| | - Alexander J. Shackman
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
- Department of Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742 USA
- Department of Maryland Neuroimaging Center, University of Maryland, College Park, MD 20742 USA
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Hur J, Tillman RM, Kim HC, Didier P, Anderson AS, Islam S, Stockbridge MD, De Los Reyes A, DeYoung KA, Smith JF, Shackman AJ. Adolescent social anxiety is associated with diminished discrimination of anticipated threat and safety in the bed nucleus of the stria terminalis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.10.30.564701. [PMID: 38853920 PMCID: PMC11160578 DOI: 10.1101/2023.10.30.564701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Social anxiety-which typically emerges in adolescence-lies on a continuum and, when extreme, can be devastating. Socially anxious individuals are prone to heightened fear, anxiety, and the avoidance of contexts associated with potential social scrutiny. Yet most neuroimaging research has focused on acute social threat. Much less attention has been devoted to understanding the neural systems recruited during the uncertain anticipation of potential encounters with social threat. Here we used a novel fMRI paradigm to probe the neural circuitry engaged during the anticipation and acute presentation of threatening faces and voices in a racially diverse sample of 66 adolescents selectively recruited to encompass a range of social anxiety and enriched for clinically significant levels of distress and impairment. Results demonstrated that adolescents with more severe social anxiety symptoms experience heightened distress when anticipating encounters with social threat, and reduced discrimination of uncertain social threat and safety in the bed nucleus of the stria terminalis (BST), a key division of the central extended amygdala (EAc). Although the EAc-including the BST and central nucleus of the amygdala-was robustly engaged by the acute presentation of threatening faces and voices, the degree of EAc engagement was unrelated to the severity of social anxiety. Together, these observations provide a neurobiologically grounded framework for conceptualizing adolescent social anxiety and set the stage for the kinds of prospective-longitudinal and mechanistic research that will be necessary to determine causation and, ultimately, to develop improved interventions for this often-debilitating illness.
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Shackman AJ, Gee DG. Maternal Perinatal Stress Associated With Offspring Negative Emotionality, But the Underlying Mechanisms Remain Elusive. Am J Psychiatry 2023; 180:708-711. [PMID: 37777854 PMCID: PMC10558087 DOI: 10.1176/appi.ajp.20230630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/02/2023]
Affiliation(s)
- Alexander J. Shackman
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
- Department of Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742 USA
- Department of Maryland Neuroimaging Center, University of Maryland, College Park, MD 20742 USA
| | - Dylan G. Gee
- Department of Psychology, Yale University, New Haven, CT 06520 USA
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Chu SA, Tadayonnejad R, Corlier J, Wilson AC, Citrenbaum C, Leuchter AF. Rumination symptoms in treatment-resistant major depressive disorder, and outcomes of repetitive Transcranial Magnetic Stimulation (rTMS) treatment. Transl Psychiatry 2023; 13:293. [PMID: 37684229 PMCID: PMC10491586 DOI: 10.1038/s41398-023-02566-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 09/10/2023] Open
Abstract
Rumination is a maladaptive style of regulating thoughts and emotions. It is a common symptom of Major Depressive Disorder (MDD), and more severe rumination is associated with poorer medication and psychotherapy treatment outcomes, particularly among women. It is unclear to what extent rumination may influence the outcomes of, or be responsive to, repetitive Transcranial Magnetic Stimulation (rTMS) treatment of MDD. We retrospectively examined data collected during rTMS treatment of 155 patients (age 42.52 ± 14.22, 79 female) with moderately severe treatment-resistant MDD. The severity of rumination and depression was assessed before and during a course of 30 sessions of measurement-based rTMS treatment using the Ruminative Responses Scale (RSS) and the Patient Health Questionnaire (PHQ-9), respectively. Relationships among baseline levels of rumination, depression, and treatment outcome were assessed using a series of repeated measures linear mixed effects models. Both depression and rumination symptoms significantly improved after treatment, but improvement in depression was not a significant mediator of rumination improvement. Higher baseline rumination (but not depression severity) was associated with poorer depression outcomes independently of depression severity. Female gender was a significant predictor of worse outcomes for all RRS subscales. Both depressive and ruminative symptoms in MDD improved following rTMS treatment. These improvements were correlated, but improvement in rumination was not fully explained by reduction in depressive symptoms. These findings suggest that while improvement in rumination and depression severity during rTMS treatment are correlated, they are partly independent processes. Future studies should examine whether rumination symptoms should be specifically targeted with different rTMS treatment parameters.
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Affiliation(s)
- Stephanie A Chu
- Neuroscience Interdepartmental Program, UCLA, Los Angeles, USA.
- TMS Clinical and Research Service, Neuromodulation Division, Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA, USA.
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
| | - Reza Tadayonnejad
- TMS Clinical and Research Service, Neuromodulation Division, Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Division of the Humanities and Social Sciences, California Institute of Technology, Pasadena, CA, USA
| | - Juliana Corlier
- TMS Clinical and Research Service, Neuromodulation Division, Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Andrew C Wilson
- TMS Clinical and Research Service, Neuromodulation Division, Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Cole Citrenbaum
- TMS Clinical and Research Service, Neuromodulation Division, Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Andrew F Leuchter
- TMS Clinical and Research Service, Neuromodulation Division, Semel Institute for Neuroscience and Human Behavior at UCLA, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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Kim HC, Kaplan CM, Islam S, Anderson AS, Piper ME, Bradford DE, Curtin JJ, DeYoung KA, Smith JF, Fox AS, Shackman AJ. Acute nicotine abstinence amplifies subjective withdrawal symptoms and threat-evoked fear and anxiety, but not extended amygdala reactivity. PLoS One 2023; 18:e0288544. [PMID: 37471317 PMCID: PMC10358993 DOI: 10.1371/journal.pone.0288544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/29/2023] [Indexed: 07/22/2023] Open
Abstract
Tobacco smoking imposes a staggering burden on public health, underscoring the urgency of developing a deeper understanding of the processes that maintain addiction. Clinical and experience-sampling data highlight the importance of anxious withdrawal symptoms, but the underlying neurobiology has remained elusive. Mechanistic work in animals implicates the central extended amygdala (EAc)-including the central nucleus of the amygdala and the neighboring bed nucleus of the stria terminalis-but the translational relevance of these discoveries remains unexplored. Here we leveraged a randomized trial design, well-established threat-anticipation paradigm, and multidimensional battery of assessments to understand the consequences of 24-hour nicotine abstinence. The threat-anticipation paradigm had the expected consequences, amplifying subjective distress and arousal, and recruiting the canonical threat-anticipation network. Abstinence increased smoking urges and withdrawal symptoms, and potentiated threat-evoked distress, but had negligible consequences for EAc threat reactivity, raising questions about the translational relevance of prominent animal and human models of addiction. These observations provide a framework for conceptualizing nicotine abstinence and withdrawal, with implications for basic, translational, and clinical science.
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Affiliation(s)
- Hyung Cho Kim
- Department of Psychology, University of Maryland, College Park, Maryland, United States of America
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland, United States of America
| | - Claire M. Kaplan
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Samiha Islam
- Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Allegra S. Anderson
- Department of Psychological Sciences, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Megan E. Piper
- Center for Tobacco Research and Intervention and Department of Medicine, School of Medicine and Public Health, University of Wisconsin—Madison, Madison, Wisconsin, United States of America
| | - Daniel E. Bradford
- School of Psychological Sciences, Oregon State University, Corvallis, Oregon, United States of America
| | - John J. Curtin
- Department of Psychology, University of Wisconsin—Madison, Madison, Wisconsin, United States of America
| | - Kathryn A. DeYoung
- Department of Psychology, University of Maryland, College Park, Maryland, United States of America
| | - Jason F. Smith
- Department of Psychology, University of Maryland, College Park, Maryland, United States of America
| | - Andrew S. Fox
- Department of Psychology, University of California, Davis, California, United States of America
- California National Primate Research Center, University of California, Davis, California, United States of America
| | - Alexander J. Shackman
- Department of Psychology, University of Maryland, College Park, Maryland, United States of America
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland, United States of America
- Maryland Neuroimaging Center, University of Maryland, College Park, Maryland, United States of America
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7
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Dave B, O'Connor C. A systematic review of the antecedents, correlates, and consequences of continuum beliefs about depression. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2022. [DOI: 10.1016/j.jadr.2022.100403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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8
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Affiliation(s)
- Shannon E. Grogans
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
| | - Andrew S. Fox
- Department of Psychology, University of California, Davis, CA 95616 USA,California National Primate Research Center, University of California, Davis, CA 95616 USA
| | - Alexander J. Shackman
- Department of Psychology, University of Maryland, College Park, MD 20742 USA.,Department of Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742 USA.,Maryland Neuroimaging Center, University of Maryland, College Park, MD 20742 USA
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9
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Hur J, Kuhn M, Grogans SE, Anderson AS, Islam S, Kim HC, Tillman RM, Fox AS, Smith JF, DeYoung KA, Shackman AJ. Anxiety-Related Frontocortical Activity Is Associated With Dampened Stressor Reactivity in the Real World. Psychol Sci 2022; 33:906-924. [PMID: 35657777 PMCID: PMC9343891 DOI: 10.1177/09567976211056635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 09/28/2021] [Indexed: 01/18/2023] Open
Abstract
Negative affect is a fundamental dimension of human emotion. When extreme, it contributes to a variety of adverse outcomes, from physical and mental illness to divorce and premature death. Mechanistic work in animals and neuroimaging research in humans and monkeys have begun to reveal the broad contours of the neural circuits governing negative affect, but the relevance of these discoveries to everyday distress remains incompletely understood. Here, we used a combination of approaches-including neuroimaging assays of threat anticipation and emotional-face perception and more than 10,000 momentary assessments of emotional experience-to demonstrate that individuals who showed greater activation in a cingulo-opercular circuit during an anxiety-eliciting laboratory paradigm experienced lower levels of stressor-dependent distress in their daily lives (ns = 202-208 university students). Extended amygdala activation was not significantly related to momentary negative affect. These observations provide a framework for understanding the neurobiology of negative affect in the laboratory and in the real world.
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Affiliation(s)
- Juyoen Hur
- Department of Psychology, Yonsei
University
| | - Manuel Kuhn
- Center for Depression, Anxiety
and Stress Research, McLean Hospital, Harvard Medical School, Harvard
University
| | | | | | - Samiha Islam
- Department of Psychology,
University of Pennsylvania
| | - Hyung Cho Kim
- Department of Psychology,
University of Maryland
- Neuroscience and Cognitive
Science Program, University of Maryland
| | | | - Andrew S. Fox
- Department of Psychology,
University of California, Davis
- California National Primate
Research Center, University of California, Davis
| | | | | | - Alexander J. Shackman
- Department of Psychology,
University of Maryland
- Neuroscience and Cognitive
Science Program, University of Maryland
- Maryland Neuroimaging Center,
University of Maryland, College Park
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10
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Cautionary Observations Concerning the Introduction of Psychophysiological Biomarkers into Neuropsychiatric Practice. PSYCHIATRY INTERNATIONAL 2022. [DOI: 10.3390/psychiatryint3020015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The combination of statistical learning technologies with large databases of psychophysiological data has appropriately generated enthusiastic interest in future clinical applicability. It is argued here that this enthusiasm should be tempered with the understanding that significant obstacles must be overcome before the systematic introduction of psychophysiological measures into neuropsychiatric practice becomes possible. The objective of this study is to identify challenges to this effort. The nonspecificity of psychophysiological measures complicates their use in diagnosis. Low test-retest reliability complicates use in longitudinal assessment, and quantitative psychophysiological measures can normalize in response to placebo intervention. Ten cautionary observations are introduced and, in some instances, possible directions for remediation are suggested.
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Stout DM, Bomyea J. From Magnetic Resonance Imaging to the Clinic: Using Neuroimaging to Characterize Psychiatric Phenotypes. Biol Psychiatry 2022; 91:526-528. [PMID: 35177204 DOI: 10.1016/j.biopsych.2021.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/02/2022]
Affiliation(s)
- Daniel M Stout
- Center of Excellence for Stress and Mental Health, Veterans Affairs San Diego Healthcare System, La Jolla, California; Department of Psychiatry, University of California San Diego, La Jolla, California.
| | - Jessica Bomyea
- Center of Excellence for Stress and Mental Health, Veterans Affairs San Diego Healthcare System, La Jolla, California; Department of Psychiatry, University of California San Diego, La Jolla, California.
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12
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Ashar YK, Clark J, Gunning FM, Goldin P, Gross JJ, Wager TD. Brain markers predicting response to cognitive-behavioral therapy for social anxiety disorder: an independent replication of Whitfield-Gabrieli et al. 2015. Transl Psychiatry 2021; 11:260. [PMID: 33934101 PMCID: PMC8088432 DOI: 10.1038/s41398-021-01366-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/18/2021] [Accepted: 04/07/2021] [Indexed: 02/03/2023] Open
Abstract
Predictive brain markers promise a number of important scientific, clinical, and societal applications. Over 600 predictive brain markers have been described in published reports, but very few have been tested in independent replication attempts. Here, we conducted an independent replication of a previously published marker predicting treatment response to cognitive-behavioral therapy for social anxiety disorder from patterns of resting-state fMRI amygdala connectivity1. The replication attempt was conducted in an existing dataset similar to the dataset used in the original report, by a team of independent investigators in consultation with the original authors. The precise model described in the original report positively predicted treatment outcomes in the replication dataset, but with marginal statistical significance, permutation test p = 0.1. The effect size was substantially smaller in the replication dataset, with the model explaining 2% of the variance in treatment outcomes, as compared to 21% in the original report. Several lines of evidence, including the current replication attempt, suggest that features of amygdala function or structure may be able to predict treatment response in anxiety disorders. However, predictive models that explain a substantial amount of variance in independent datasets will be needed for scientific and clinical applications.
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Affiliation(s)
- Yoni K Ashar
- Department of Psychiatry, Weill Cornell Medicine, New York, NY, USA
| | - Joseph Clark
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - Faith M Gunning
- Department of Psychiatry, Weill Cornell Medicine, New York, NY, USA
| | - Philippe Goldin
- Betty Irene Moore School of Nursing, University of California, Davis, Davis, CA, USA
| | - James J Gross
- Department of Psychology, Stanford University, Palo Alto, CA, USA
| | - Tor D Wager
- Psychological and Brain Sciences Department, Dartmouth College, Hanover, NH, USA.
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Emerging Evidence for Putative Neural Networks and Antecedents of Pediatric Anxiety in the Fetal, Neonatal, and Infant Periods. Biol Psychiatry 2021; 89:672-680. [PMID: 33518264 PMCID: PMC8087150 DOI: 10.1016/j.biopsych.2020.11.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 11/12/2020] [Accepted: 11/22/2020] [Indexed: 12/20/2022]
Abstract
Anxiety disorders are the most prevalent psychiatric disorders in youth and are associated with profound individual impairment and public health costs. Research shows that clinically significant anxiety symptoms manifest in preschool-aged children, and correlates of anxiety symptoms are observable in infancy. Yet, predicting who is at risk for developing anxiety remains an enduring challenge. Predictive biomarkers of anxiety are needed before school age when anxiety symptoms typically consolidate into diagnostic profiles. Increasing evidence indicates that early neural measures implicated in anxiety and anxious temperament may be incorporated with traditional measures of behavioral risk (i.e., behavioral inhibition) to provide more robust classification of pediatric anxiety problems. This review examines the phenomenology of anxiety disorders in early life, highlighting developmental research that interrogates the putative neurocircuitry of pediatric anxiety. First, we discuss enduring challenges in identifying and predicting risk for pediatric anxiety. Second, we summarize emerging evidence for putative neural antecedents and networks underlying risk for pediatric anxiety in the fetal, neonatal, and infant periods that represent novel potential avenues for risk identification and prediction. We focus on evidence examining the importance of early amygdala and extended amygdala circuitry development to the emergence of anxiety. Finally, we discuss the utility of integrating developmental psychopathology and neuroscience to facilitate future research and clinical work.
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14
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Affiliation(s)
- Alexander J. Shackman
- Department of Psychology, University of Maryland, College Park, MD 20742 USA
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742 USA
- Maryland Neuroimaging Center, University of Maryland, College Park, MD 20742 USA
| | - Andrew S. Fox
- Department of Psychology, University of California, Davis, CA 95616 USA
- California National Primate Research Center, University of California, Davis, CA 95616 USA
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15
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Sjouwerman R, Scharfenort R, Lonsdorf TB. Individual differences in fear acquisition: multivariate analyses of different emotional negativity scales, physiological responding, subjective measures, and neural activation. Sci Rep 2020; 10:15283. [PMID: 32943701 PMCID: PMC7498611 DOI: 10.1038/s41598-020-72007-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 08/20/2020] [Indexed: 01/13/2023] Open
Abstract
Negative emotionality is a well-established and stable risk factor for affective disorders. Individual differences in negative emotionality have been linked to associative learning processes which can be captured experimentally by computing CS-discrimination values in fear conditioning paradigms. Literature suffers from underpowered samples, suboptimal methods, and an isolated focus on single questionnaires and single outcome measures. First, the specific and shared variance across three commonly employed questionnaires [STAI-T, NEO-FFI-Neuroticism, Intolerance of Uncertainty (IU) Scale] in relation to CS-discrimination during fear-acquisition in multiple analysis units (ratings, skin conductance, startle) is addressed (NStudy1 = 356). A specific significant negative association between STAI-T and CS-discrimination in SCRs and between IU and CS-discrimination in startle responding was identified in multimodal and dimensional analyses, but also between latent factors negative emotionality and fear learning, which capture shared variance across questionnaires/scales and across outcome measures. Second, STAI-T was positively associated with CS-discrimination in a number of brain areas linked to conditioned fear (amygdala, putamen, thalamus), but not to SCRs or ratings (NStudy2 = 113). Importantly, we replicate potential sampling biases between fMRI and behavioral studies regarding anxiety levels. Future studies are needed to target wide sampling distributions for STAI-T and verify whether current findings are generalizable to other samples.
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Affiliation(s)
- Rachel Sjouwerman
- Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Robert Scharfenort
- Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Tina B Lonsdorf
- Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.
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Ruggero CJ, Kotov R, Hopwood CJ, First M, Clark LA, Skodol AE, Mullins-Sweatt SN, Patrick CJ, Bach B, Cicero DC, Docherty A, Simms LJ, Bagby RM, Krueger RF, Callahan JL, Chmielewski M, Conway CC, De Clercq B, Dornbach-Bender A, Eaton NR, Forbes MK, Forbush KT, Haltigan JD, Miller JD, Morey LC, Patalay P, Regier DA, Reininghaus U, Shackman AJ, Waszczuk MA, Watson D, Wright AGC, Zimmermann J. Integrating the Hierarchical Taxonomy of Psychopathology (HiTOP) into clinical practice. J Consult Clin Psychol 2020; 87:1069-1084. [PMID: 31724426 DOI: 10.1037/ccp0000452] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Diagnosis is a cornerstone of clinical practice for mental health care providers, yet traditional diagnostic systems have well-known shortcomings, including inadequate reliability, high comorbidity, and marked within-diagnosis heterogeneity. The Hierarchical Taxonomy of Psychopathology (HiTOP) is a data-driven, hierarchically based alternative to traditional classifications that conceptualizes psychopathology as a set of dimensions organized into increasingly broad, transdiagnostic spectra. Prior work has shown that using a dimensional approach improves reliability and validity, but translating a model like HiTOP into a workable system that is useful for health care providers remains a major challenge. METHOD The present work outlines the HiTOP model and describes the core principles to guide its integration into clinical practice. RESULTS Potential advantages and limitations of the HiTOP model for clinical utility are reviewed, including with respect to case conceptualization and treatment planning. A HiTOP approach to practice is illustrated and contrasted with an approach based on traditional nosology. Common barriers to using HiTOP in real-world health care settings and solutions to these barriers are discussed. CONCLUSIONS HiTOP represents a viable alternative to classifying mental illness that can be integrated into practice today, although research is needed to further establish its utility. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Affiliation(s)
| | - Roman Kotov
- Department of Psychiatry, Stony Brook University
| | | | - Michael First
- Department of Psychiatry, New York State Psychiatric Institute, Columbia University
| | | | | | | | | | - Bo Bach
- Psychiatric Research Unit, Slagelse Psychiatric Hospital
| | | | | | - Leonard J Simms
- Department of Psychology, University at Buffalo, The State University of New York
| | - R Michael Bagby
- Departments of Psychology and Psychiatry, University of Toronto
| | | | | | | | | | - Barbara De Clercq
- Department of Developmental, Personality, and Social Psychology, Ghent University
| | | | | | - Miriam K Forbes
- Centre for Emotional Health, Department of Psychology, Macquarie University
| | | | | | | | | | - Praveetha Patalay
- Centre for Longitudinal Studies and MRC Unit for Lifelong Health and Ageing, University College London
| | - Darrel A Regier
- Department of Psychiatry, Center for the Study of Traumatic Stress, Uniformed Services University
| | | | | | | | - David Watson
- Department of Psychology, University of Notre Dame
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17
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Kaczkurkin AN, Park SS, Sotiras A, Moore TM, Calkins ME, Cieslak M, Rosen AF, Ciric R, Xia CH, Cui Z, Sharma A, Wolf DH, Ruparel K, Pine DS, Shinohara RT, Roalf DR, Gur RC, Davatzikos C, Gur RE, Satterthwaite TD. Evidence for Dissociable Linkage of Dimensions of Psychopathology to Brain Structure in Youths. Am J Psychiatry 2019; 176:1000-1009. [PMID: 31230463 PMCID: PMC6888993 DOI: 10.1176/appi.ajp.2019.18070835] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE High comorbidity among psychiatric disorders suggests that they may share underlying neurobiological deficits. Abnormalities in cortical thickness and volume have been demonstrated in clinical samples of adults, but less is known when these structural differences emerge in youths. The purpose of this study was to examine the association between dimensions of psychopathology and brain structure. METHODS The authors studied 1,394 youths who underwent brain imaging as part of the Philadelphia Neurodevelopmental Cohort. Dimensions of psychopathology were constructed using a bifactor model of symptoms. Cortical thickness and volume were quantified using high-resolution 3-T MRI. Structural covariance networks were derived using nonnegative matrix factorization and analyzed using generalized additive models with penalized splines to capture both linear and nonlinear age-related effects. RESULTS Fear symptoms were associated with reduced cortical thickness in most networks, and overall psychopathology was associated with globally reduced gray matter volume across all networks. Structural covariance networks predicted psychopathology symptoms above and beyond demographic characteristics and cognitive performance. CONCLUSIONS The results suggest a dissociable relationship whereby fear is most strongly linked to reduced cortical thickness and overall psychopathology is most strongly linked to global reductions in gray matter volume. Such results have implications for understanding how abnormalities of brain development may be associated with divergent dimensions of psychopathology.
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Affiliation(s)
- Antonia N. Kaczkurkin
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Sophia Seonyeong Park
- Department of Psychiatry, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19122, USA
| | - Aristeidis Sotiras
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Radiology, Washington University, St. Louis, MO, 63130, USA
| | - Tyler M. Moore
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Monica E. Calkins
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Matthew Cieslak
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Adon F.G. Rosen
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rastko Ciric
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Cedric Huchuan Xia
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Zaixu Cui
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Anup Sharma
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Daniel H. Wolf
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kosha Ruparel
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Daniel S. Pine
- Emotion and Development Branch, Intramural Research Program, National Institute of Mental Health, Bethesda, MD 20892, USA
| | - Russell T. Shinohara
- Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - David R. Roalf
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ruben C. Gur
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Philadelphia Veterans Administration Medical Center, Philadelphia, PA 19104
| | - Christos Davatzikos
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Raquel E. Gur
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Theodore D. Satterthwaite
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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18
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Conway CC, Forbes MK, Forbush KT, Fried EI, Hallquist MN, Kotov R, Mullins-Sweatt SN, Shackman AJ, Skodol AE, South SC, Sunderland M, Waszczuk MA, Zald DH, Afzali MH, Bornovalova MA, Carragher N, Docherty AR, Jonas KG, Krueger RF, Patalay P, Pincus AL, Tackett JL, Reininghaus U, Waldman ID, Wright AG, Zimmermann J, Bach B, Bagby RM, Chmielewski M, Cicero DC, Clark LA, Dalgleish T, DeYoung CG, Hopwood CJ, Ivanova MY, Latzman RD, Patrick CJ, Ruggero CJ, Samuel DB, Watson D, Eaton NR. A Hierarchical Taxonomy of Psychopathology Can Transform Mental Health Research. PERSPECTIVES ON PSYCHOLOGICAL SCIENCE 2019; 14:419-436. [PMID: 30844330 PMCID: PMC6497550 DOI: 10.1177/1745691618810696] [Citation(s) in RCA: 190] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
For more than a century, research on psychopathology has focused on categorical diagnoses. Although this work has produced major discoveries, growing evidence points to the superiority of a dimensional approach to the science of mental illness. Here we outline one such dimensional system-the Hierarchical Taxonomy of Psychopathology (HiTOP)-that is based on empirical patterns of co-occurrence among psychological symptoms. We highlight key ways in which this framework can advance mental-health research, and we provide some heuristics for using HiTOP to test theories of psychopathology. We then review emerging evidence that supports the value of a hierarchical, dimensional model of mental illness across diverse research areas in psychological science. These new data suggest that the HiTOP system has the potential to accelerate and improve research on mental-health problems as well as efforts to more effectively assess, prevent, and treat mental illness.
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Affiliation(s)
- Christopher C. Conway
- Department of Psychological Sciences, College of William & Mary, Williamsburg, VA, USA
| | - Miriam K. Forbes
- Centre for Emotional Health, Department of Psychology, Macquarie University, Sydney, Australia
| | | | - Eiko I. Fried
- Department of Psychology, University of Amsterdam, Amsterdam, Netherlands
| | - Michael N. Hallquist
- Department of Psychology, The Pennsylvania State University, State College, PA, USA
| | - Roman Kotov
- Department of Psychiatry, State University of New York, Stony Brook, NY, USA
| | | | - Alexander J. Shackman
- Department of Psychology and Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD, USA
| | - Andrew E. Skodol
- Department of Psychiatry, University of Arizona, Tucson, AZ, USA
| | - Susan C. South
- Purdue University, Department of Psychological Sciences, West Lafayette, IN, USA
| | - Matthew Sunderland
- NHMRC Centre for Research Excellence in Mental Health and Substance Use, National Drug and Alcohol Research Centre, University of New South Wales, Sydney, Australia
| | - Monika A. Waszczuk
- Department of Psychiatry, State University of New York, Stony Brook, NY, USA
| | - David H. Zald
- Department of Psychology, Vanderbilt University, Nashville, TN, USA
| | | | | | - Natacha Carragher
- Medical Education and Student Office, Faculty of Medicine, University of New South Wales Australia, Sydney, New South Wales, Australia
| | - Anna R. Docherty
- Department of Psychiatry, University of Utah, Salt Lake City, UT, USA
| | - Katherine G. Jonas
- Department of Psychiatry, State University of New York, Stony Brook, NY, USA
| | - Robert F. Krueger
- Department of Psychology, University of Minnesota, Minneapolis, MN, USA
| | - Praveetha Patalay
- Institute of Psychology, Health and Society, University of Liverpool, Liverpool, UK
| | - Aaron L. Pincus
- Department of Psychology, The Pennsylvania State University, State College, PA, USA
| | | | - Ulrich Reininghaus
- Department of Psychiatry and Psychology, School for Mental Health and Neuroscience, Maastricht University, The Netherlands
- Centre for Epidemiology and Public Health, Health Service and Population Research Department, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK
| | | | - Aidan G.C. Wright
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Bo Bach
- Psychiatric Research Unit, Slagelse Psychiatric Hospital, Slagelse, Denmark
| | - R. Michael Bagby
- Departments of Psychology and Psychiatry, University of Toronto, Toronto, Canada
| | | | - David C. Cicero
- Department of Psychology, University of Hawaii at Manoa, HI, USA
| | - Lee Anna Clark
- Department of Psychology, University of Notre Dame, Notre Dame, IN, USA
| | - Tim Dalgleish
- Medical Research Council Cognition and Brain Sciences Unit, Cambridge, UK
| | - Colin G. DeYoung
- Department of Psychology, University of Minnesota, Minneapolis, MN, USA
| | | | - Masha Y. Ivanova
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - Robert D. Latzman
- Department of Psychology, Georgia State University, Atlanta, GA, USA
| | | | - Camilo J. Ruggero
- Department of Psychology, University of North Texas, Denton, TX, USA
| | - Douglas B. Samuel
- Purdue University, Department of Psychological Sciences, West Lafayette, IN, USA
| | - David Watson
- Department of Psychology, University of Notre Dame, Notre Dame, IN, USA
| | - Nicholas R. Eaton
- Department of Psychology, Stony Brook University, Stony Brook, NY, USA
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19
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Hur J, Stockbridge MD, Fox AS, Shackman AJ. Dispositional negativity, cognition, and anxiety disorders: An integrative translational neuroscience framework. PROGRESS IN BRAIN RESEARCH 2019; 247:375-436. [PMID: 31196442 PMCID: PMC6578598 DOI: 10.1016/bs.pbr.2019.03.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
When extreme, anxiety can become debilitating. Anxiety disorders, which often first emerge early in development, are common and challenging to treat, yet the underlying mechanisms have only recently begun to come into focus. Here, we review new insights into the nature and biological bases of dispositional negativity, a fundamental dimension of childhood temperament and adult personality and a prominent risk factor for the development of pediatric and adult anxiety disorders. Converging lines of epidemiological, neurobiological, and mechanistic evidence suggest that dispositional negativity increases the likelihood of psychopathology via specific neurocognitive mechanisms, including attentional biases to threat and deficits in executive control. Collectively, these observations provide an integrative translational framework for understanding the development and maintenance of anxiety disorders in adults and youth and set the stage for developing improved intervention strategies.
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Affiliation(s)
- Juyoen Hur
- Department of Psychology, University of Maryland, College Park, MD, United States.
| | | | - Andrew S Fox
- Department of Psychology, University of California, Davis, CA, United States; California National Primate Research Center, University of California, Davis, CA, United States
| | - Alexander J Shackman
- Department of Psychology, University of Maryland, College Park, MD, United States; Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD, United States; Maryland Neuroimaging Center, University of Maryland, College Park, MD, United States.
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20
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Abstract
Emotions play a central role in human experience. Over time, methods for manipulating emotion have become increasingly refined and techniques for making sense of the underlying neurobiology have become ever more powerful and precise, enabling new insights into the organization of emotions in the brain. Yet recent years have witnessed a remarkably vigorous debate about the nature and origins of emotion, with leading scientists raising compelling concerns about the canon of facts and principles that has inspired and guided the field for the past quarter century. Here, we consider ways in which recent neuroimaging research informs this dialogue. By focusing attention on the most important outstanding questions about the nature of emotion and the architecture of the emotional brain, we hope to stimulate the kinds of work that will be required to move the field forward. Addressing these questions is critical, not just for understanding the mind, but also for elucidating the root causes of many of its disorders.
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Affiliation(s)
- Alexander J Shackman
- Department of Psychology, University of Maryland, College Park, MD 20742 USA; Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742 USA; Maryland Neuroimaging Center, University of Maryland, College Park, MD 20742 USA.
| | - Tor D Wager
- Department of Psychology and Neuroscience, University of Colorado, Boulder, CO 80309 USA; Institute of Cognitive Science, University of Colorado, Boulder, CO 80309 USA
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21
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Hur J, Tillman RM, Fox AS, Shackman AJ. The value of clinical and translational neuroscience approaches to psychiatric illness. Behav Brain Sci 2019; 42:e11. [PMID: 30940222 PMCID: PMC6450408 DOI: 10.1017/s0140525x18001036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Borsboom et al. confuse biological approaches with extreme biological reductionism and common-cause models of psychopathology. In muddling these concepts, they mistakenly throw the baby out with the bathwater. Here, we highlight recent work underscoring the unique value of clinical and translational neuroscience approaches for understanding the nature and origins of psychopathology and for developing improved intervention strategies.
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Affiliation(s)
- Juyoen Hur
- Department of Psychology,University of Maryland,College Park,MD @umd.edu
| | - Rachael M Tillman
- Department of Psychology,University of Maryland,College Park,MD @umd.edu
| | - Andrew S Fox
- Department of Psychology,University of California,Davis,CA ://foxlab.ucdavis.edu
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22
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Acute alcohol administration dampens central extended amygdala reactivity. Sci Rep 2018; 8:16702. [PMID: 30420682 PMCID: PMC6232084 DOI: 10.1038/s41598-018-34987-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 09/28/2018] [Indexed: 12/24/2022] Open
Abstract
Alcohol use is common, imposes a staggering burden on public health, and often resists treatment. The central extended amygdala (EAc)—including the bed nucleus of the stria terminalis (BST) and the central nucleus of the amygdala (Ce)—plays a key role in prominent neuroscientific models of alcohol drinking, but the relevance of these regions to acute alcohol consumption in humans remains poorly understood. Using a single-blind, randomized-groups design, multiband fMRI data were acquired from 49 social drinkers while they performed a well-established emotional faces paradigm after consuming either alcohol or placebo. Relative to placebo, alcohol significantly dampened reactivity to emotional faces in the BST. To rigorously assess potential regional differences in activation, data were extracted from unbiased, anatomically predefined regions of interest. Analyses revealed similar levels of dampening in the BST and Ce. In short, alcohol transiently reduces reactivity to emotional faces and it does so similarly across the two major divisions of the human EAc. These observations reinforce the translational relevance of addiction models derived from preclinical work in rodents and provide new insights into the neural systems most relevant to the consumption of alcohol and to the initial development of alcohol abuse in humans.
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23
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Functional Connectivity within the Primate Extended Amygdala Is Heritable and Associated with Early-Life Anxious Temperament. J Neurosci 2018; 38:7611-7621. [PMID: 30061190 DOI: 10.1523/jneurosci.0102-18.2018] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 05/23/2018] [Accepted: 07/07/2018] [Indexed: 02/08/2023] Open
Abstract
Children with an extremely inhibited, anxious temperament (AT) are at increased risk for anxiety disorders and depression. Using a rhesus monkey model of early-life AT, we previously demonstrated that metabolism in the central extended amygdala (EAc), including the central nucleus of the amygdala (Ce) and bed nucleus of the stria terminalis (BST), is associated with trait-like variation in AT. Here, we use fMRI to examine relationships between Ce-BST functional connectivity and AT in a large multigenerational family pedigree of rhesus monkeys (n = 170 females and 208 males). Results demonstrate that Ce-BST functional connectivity is heritable, accounts for a significant but modest portion of the variance in AT, and is coheritable with AT. Interestingly, Ce-BST functional connectivity and AT-related BST metabolism were not correlated and accounted for non-overlapping variance in AT. Exploratory analyses suggest that Ce-BST functional connectivity is associated with metabolism in the hypothalamus and periaqueductal gray. Together, these results suggest the importance of coordinated function within the EAc for determining individual differences in AT and metabolism in brain regions associated with its behavioral and neuroendocrine components.SIGNIFICANCE STATEMENT Anxiety disorders directly impact the lives of nearly one in five people, accounting for substantial worldwide suffering and disability. Here, we use a nonhuman primate model of anxious temperament (AT) to understand the neurobiology underlying the early-life risk to develop anxiety disorders. Leveraging the same kinds of neuroimaging measures routinely used in human studies, we demonstrate that coordinated activation between the central nucleus of the amygdala and the bed nucleus of the stria terminalis is correlated with, and coinherited with, early-life AT. Understanding how these central extended amygdala regions work together to produce extreme anxiety provides a neural target for early-life interventions with the promise of preventing lifelong disability in at-risk children.
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