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Xavier M, Volchan E, Machado AV, David IA, Oliveira L, Portugal LCL, Souza GGL, Erthal FS, Alves RDCS, Mocaiber I, Pereira MG. Threat directionality modulates defensive reactions in humans: cardiac and electrodermal responses. Cogn Emot 2024; 38:954-962. [PMID: 38554265 DOI: 10.1080/02699931.2024.2335535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 03/04/2024] [Accepted: 03/11/2024] [Indexed: 04/01/2024]
Abstract
Features of threatening cues and the associated context influence the perceived imminence of threat and the defensive responses evoked. To provide additional knowledge about how the directionality of a threat (i.e. directed-towards or away from the viewer) might impact defensive responses in humans, participants were shown pictures of a man carrying a gun (threat) or nonlethal object (neutral) directed-away from or towards the participant. Cardiac and electrodermal responses were collected. Compared to neutral images, threatening images depicting a gun directed-towards the participant induced sustained bradycardia and an increased electrodermal response, interpreted as immobility under attack. This defensive immobility reaction is evoked by high perceived threat and inescapable situations and indicates intense action preparation. Pictures of guns directed-away from the participant induced shorter bradycardia and no significant modulation of the electrodermal response compared to neutral pictures, which might be consistent with the perception of a less threatening situation. The results show that the directionality of threat stimuli is a key factor that prompts different patterns of defensive responses.
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Affiliation(s)
- Mariana Xavier
- Laboratory of Cognitive Psychophysiology, Department of Natural Sciences, Federal Fluminense University, Rio das Ostras, Brazil
- Programa de pós-graduação em Medicina (Neurologia/Neurociências), Universidade Federal Fluminense, Niterói, Brasil
| | - Eliane Volchan
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Arthur V Machado
- Laboratory of Neurophysiology of Behavior, Physiology and Pharmacology Department, Federal Fluminense University, Niterói, Brazil
| | - Isabel A David
- Laboratory of Neurophysiology of Behavior, Physiology and Pharmacology Department, Federal Fluminense University, Niterói, Brazil
| | - Letícia Oliveira
- Laboratory of Neurophysiology of Behavior, Physiology and Pharmacology Department, Federal Fluminense University, Niterói, Brazil
| | - Liana C L Portugal
- Neurophysiology Laboratory, Department of Physiological Sciences, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gabriela G L Souza
- Laboratory of Psychophysiology, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Fátima S Erthal
- Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Rita de Cássia S Alves
- Department of Psychology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Izabela Mocaiber
- Laboratory of Cognitive Psychophysiology, Department of Natural Sciences, Federal Fluminense University, Rio das Ostras, Brazil
| | - Mirtes G Pereira
- Laboratory of Neurophysiology of Behavior, Physiology and Pharmacology Department, Federal Fluminense University, Niterói, Brazil
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2
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Davey S, Halberstadt J, Bell E. Where is emotional feeling felt in the body? An integrative review. PLoS One 2021; 16:e0261685. [PMID: 34936672 PMCID: PMC8694467 DOI: 10.1371/journal.pone.0261685] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 12/07/2021] [Indexed: 11/22/2022] Open
Abstract
Contemporary research on "embodied emotion" emphasizes the role of the body in emotional feeling. The evidence base on interoception, arguably the most prominent strand of embodied emotion research, places emphasis on the cardiac, respiratory and gastrointestinal systems. In turn, interoception has evidence-based links with improved emotion regulation. Despite the focus on separate bodily systems, it is unclear whether particular interoceptive locations play a greater role in emotional feeling and emotion regulation. Further, according to Gross' "process model", the sooner that regulation of an emotion occurs, the better; hence, it is additionally important to identify the first body areas to activate. These issues are investigated in a two-stage integrative review. The first stage was preliminary, giving an overview of the evidence base to highlight the distribution of measured body areas. This indicated that 86% of publications (n = 88) measured cardiac activity, 26% measured the respiratory system, and six percent the gastrointestinal system. Given the emphasis placed on all three systems in interoception theory and research on emotion, this suggests a dearth of comprehensive findings pertaining to feeling locations. The second stage investigated the core issues of where emotional feelings are felt in the body and time-related implications for regulation. This was based on ten texts, which together suggested that the head, throat and chest are the most consistently detected locations across and within numerous emotional contexts. Caution is required, however, since-among other reasons discussed-measurement was not time-restricted in these latter publications, and direct physiological measurement was found in only a minority of cases.
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Affiliation(s)
- Steven Davey
- Department of Psychological Medicine, University of Otago Wellington, Wellington, New Zealand
| | | | - Elliot Bell
- Department of Psychological Medicine, University of Otago, Wellington, New Zealand
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3
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Panitz C, Endres D, Buchholz M, Khosrowtaj Z, Sperl MFJ, Mueller EM, Schubö A, Schütz AC, Teige-Mocigemba S, Pinquart M. A Revised Framework for the Investigation of Expectation Update Versus Maintenance in the Context of Expectation Violations: The ViolEx 2.0 Model. Front Psychol 2021; 12:726432. [PMID: 34858264 PMCID: PMC8632008 DOI: 10.3389/fpsyg.2021.726432] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/20/2021] [Indexed: 12/22/2022] Open
Abstract
Expectations are probabilistic beliefs about the future that shape and influence our perception, affect, cognition, and behavior in many contexts. This makes expectations a highly relevant concept across basic and applied psychological disciplines. When expectations are confirmed or violated, individuals can respond by either updating or maintaining their prior expectations in light of the new evidence. Moreover, proactive and reactive behavior can change the probability with which individuals encounter expectation confirmations or violations. The investigation of predictors and mechanisms underlying expectation update and maintenance has been approached from many research perspectives. However, in many instances there has been little exchange between different research fields. To further advance research on expectations and expectation violations, collaborative efforts across different disciplines in psychology, cognitive (neuro)science, and other life sciences are warranted. For fostering and facilitating such efforts, we introduce the ViolEx 2.0 model, a revised framework for interdisciplinary research on cognitive and behavioral mechanisms of expectation update and maintenance in the context of expectation violations. To support different goals and stages in interdisciplinary exchange, the ViolEx 2.0 model features three model levels with varying degrees of specificity in order to address questions about the research synopsis, central concepts, or functional processes and relationships, respectively. The framework can be applied to different research fields and has high potential for guiding collaborative research efforts in expectation research.
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Affiliation(s)
- Christian Panitz
- Department of Psychology, University of Marburg, Marburg, Germany.,Department of Psychology, University of Leipzig, Leipzig, Germany.,Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL, United States
| | - Dominik Endres
- Department of Psychology, University of Marburg, Marburg, Germany
| | - Merle Buchholz
- Department of Psychology, University of Marburg, Marburg, Germany
| | - Zahra Khosrowtaj
- Department of Psychology, University of Marburg, Marburg, Germany
| | - Matthias F J Sperl
- Department of Psychology, University of Marburg, Marburg, Germany.,Department of Psychology, University of Giessen, Giessen, Germany
| | - Erik M Mueller
- Department of Psychology, University of Marburg, Marburg, Germany
| | - Anna Schubö
- Department of Psychology, University of Marburg, Marburg, Germany
| | | | | | - Martin Pinquart
- Department of Psychology, University of Marburg, Marburg, Germany
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Krause E, Benke C, Hamm AO, Pané-Farré CA. Hold your breath: Voluntary breath-holding time predicts defensive activation to approaching internal threat. Biol Psychol 2021; 166:108196. [PMID: 34601017 DOI: 10.1016/j.biopsycho.2021.108196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 09/20/2021] [Accepted: 09/28/2021] [Indexed: 11/27/2022]
Abstract
Bodily disturbances, like dyspnea, elicit responses to regain homeostasis and ensure survival. However, this life-saving function can become hyperreactive, which may lead to the emergence of psychopathology. This study investigated whether maximal voluntary breath-holding time (mvBHT), a biobehavioral marker that characterizes sensitivity to respiratory stimulation, predicts defensive mobilization to cues signaling the proximity of a mild electric shock vs. a respiratory threat (shortness of breath elicited by forced breath-holding) and the opportunity to avoid threat delivery in 60 healthy participants. While the startle reflex, a measure of defensive mobilization, generally increased with the proximity of an inevitable threat, shorter breath-holding time was specifically associated with greater startle potentiation when anticipating a respiratory threat but not an electric shock. In contrast, when both threats were avoidable, the startle reflex was comparably inhibited, irrespective of mvBHT. This study suggests that mvBHT specifically predicts hypersensitive responding to an anticipated inevitable respiratory threat.
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Affiliation(s)
- Elischa Krause
- Department of Physiological and Clinical Psychology/ Psychotherapy, University of Greifswald, Franz-Mehring-Str. 47, 17487 Greifswald, Germany; Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Ferdinand-Sauerbruch-Str., 17475 Greifswald, Germany
| | - Christoph Benke
- Department of Clinical Psychology and Psychotherapy, University of Marburg, Gutenbergstr. 18, 35037 Marburg, Germany
| | - Alfons O Hamm
- Department of Physiological and Clinical Psychology/ Psychotherapy, University of Greifswald, Franz-Mehring-Str. 47, 17487 Greifswald, Germany
| | - Christiane A Pané-Farré
- Department of Physiological and Clinical Psychology/ Psychotherapy, University of Greifswald, Franz-Mehring-Str. 47, 17487 Greifswald, Germany; Department of Clinical Psychology and Psychotherapy, University of Marburg, Gutenbergstr. 18, 35037 Marburg, Germany.
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5
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Vagal control of the heart decreases during increasing imminence of interoceptive threat in patients with panic disorder and agoraphobia. Sci Rep 2021; 11:7960. [PMID: 33846417 PMCID: PMC8041829 DOI: 10.1038/s41598-021-86867-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/19/2021] [Indexed: 01/09/2023] Open
Abstract
Theoretically, panic disorder and agoraphobia pathology can be conceptualized as a cascade of dynamically changing defensive responses to threat cues from inside the body. Guided by this trans-diagnostic model we tested the interaction between defensive activation and vagal control as a marker of prefrontal inhibition of subcortical defensive activation. We investigated ultra-short-term changes of vagally controlled high frequency heart rate variability (HRV) during a standardized threat challenge (entrapment) in n = 232 patients with panic disorder and agoraphobia, and its interaction with various indices of defensive activation. We found a strong inverse relationship between HRV and heart rate during threat, which was stronger at the beginning of exposure. Patients with a strong increase in heart rate showed a deactivation of prefrontal vagal control while patients showing less heart rate acceleration showed an increase in vagal control. Moreover, vagal control collapsed in case of imminent threat, i.e., when body symptoms increase and seem to get out of control. In these cases of defensive action patients either fled from the situation or experienced a panic attack. Active avoidance, panic attacks, and increased sympathetic arousal are associated with an inability to maintain vagal control over the heart suggesting that teaching such regulation strategies during exposure treatment might be helpful to keep prefrontal control, particularly during the transition zone from post-encounter to circa strike defense. Trial Registration Number: ISRCTN80046034.
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Szeska C, Richter J, Wendt J, Weymar M, Hamm AO. Attentive immobility in the face of inevitable distal threat-Startle potentiation and fear bradycardia as an index of emotion and attention. Psychophysiology 2021; 58:e13812. [PMID: 33759212 DOI: 10.1111/psyp.13812] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 02/05/2021] [Accepted: 03/02/2021] [Indexed: 11/27/2022]
Abstract
During fear conditioning, a cue (CS) signals an inevitable distal threat (US) and evokes a conditioned response that can be described as attentive immobility (freezing). The organism remains motionless and monitors the source of danger while startle responses are potentiated, indicating a state of defensive hypervigilance. Although in animals vagally mediated fear bradycardia is also reliably observed under such circumstances, results are mixed in human fear conditioning. Using a single-cue fear conditioning and extinction protocol, we tested cardiac reactivity and startle potentiation indexing low-level defensive strategies in a fear-conditioned (n = 40; paired presentations of CS and US) compared with a non-conditioned control group (n = 40; unpaired presentations of CS and US). Additionally, we assessed shock expectancy ratings on a trial-by-trial basis indexing declarative knowledge of the previous contingencies. Half of each group underwent extinction under sham or active transcutaneous vagus nerve stimulation (tVNS), serving as additional proof of concept. We found stronger cardiac deceleration during CS presentation in the fear learning relative to the control group. This learned fear bradycardia was positively correlated with conditioned startle potentiation but not with declarative knowledge of CS-US contingencies. TVNS abolished differences in heart rate changes between both groups and removed the significant correlation between late cardiac deceleration and startle potentiation in the fear learning group. Results suggest, fear-conditioned cues evoke attentive immobility in humans, characterized by cardiac deceleration and startle potentiation. Such defensive response pattern is elicited by cues predicting inevitable distal threat and resembles conditioned fear responses observed in rodents.
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Affiliation(s)
- Christoph Szeska
- Department of Physiological and Clinical Psychology/Psychotherapy, University of Greifswald, Greifswald, Germany
| | - Jan Richter
- Department of Physiological and Clinical Psychology/Psychotherapy, University of Greifswald, Greifswald, Germany
| | - Julia Wendt
- Department of Biological Psychology and Affective Science, Faculty of Human Sciences, University of Potsdam, Potsdam, Germany
| | - Mathias Weymar
- Department of Biological Psychology and Affective Science, Faculty of Human Sciences, University of Potsdam, Potsdam, Germany.,Faculty of Health Sciences Brandenburg, University of Potsdam, Potsdam, Germany
| | - Alfons O Hamm
- Department of Physiological and Clinical Psychology/Psychotherapy, University of Greifswald, Greifswald, Germany
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Zakharova EI, Storozheva ZI, Proshin AT, Monakov MY, Dudchenko AM. Opposite Pathways of Cholinergic Mechanisms of Hypoxic Preconditioning in the Hippocampus: Participation of Nicotinic α7 Receptors and Their Association with the Baseline Level of Startle Prepulse Inhibition. Brain Sci 2020; 11:brainsci11010012. [PMID: 33374246 PMCID: PMC7824639 DOI: 10.3390/brainsci11010012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/15/2020] [Accepted: 12/21/2020] [Indexed: 12/14/2022] Open
Abstract
(1) Background. A one-time moderate hypobaric hypoxia (HBH) has a preconditioning effect whose neuronal mechanisms are not studied well. Previously, we found a stable correlation between the HBH efficiency and acoustic startle prepulse inhibition (PPI). This makes it possible to predict the individual efficiency of HBH in animals and to study its potential adaptive mechanisms. We revealed a bi-directional action of nicotinic α7 receptor agonist PNU-282987 and its solvent dimethyl sulfoxide on HBH efficiency with the level of PPI > or < 40%. (2) The aim of the present study was to estimate cholinergic mechanisms of HBH effects in different brain regions. (3) Methods: in rats pretested for PPI, we evaluated the activity of synaptic membrane-bound and water-soluble choline acetyltransferase (ChAT) in the sub-fractions of ‘light’ and ‘heavy’ synaptosomes of the neocortex, hippocampus and caudal brainstem in the intact brain and after HBH. We tested the dose-dependent influence of PNU-282987 on the HBH efficiency. (4) Results: PPI level and ChAT activity correlated negatively in all brain structures of the intact animals, so that the values of the latter were higher in rats with PPI < 40% compared to those with PPI > 40%. After HBH, this ChAT activity difference was leveled in the neocortex and caudal brainstem, while for membrane-bound ChAT in the ‘light’ synaptosomal fraction of hippocampus, it was reversed to the opposite. In addition, a pharmacological study revealed that PNU-282987 in all used doses and its solvent displayed corresponding opposite effects on HBH efficiency in rats with different levels of PPI. (5) Conclusion: We substantiate that in rats with low and high PPI two opposite hippocampal cholinergic mechanisms are involved in hypoxic preconditioning, and both are implemented by forebrain projections via nicotinic α7 receptors. Possible causes of association between general protective adaptation, HBH, PPI, forebrain cholinergic system and hippocampus are discussed.
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Affiliation(s)
- Elena I. Zakharova
- Laboratory of General Pathology of Cardiorespiratory System, Institute of General Pathology and Pathophysiology, Baltiyskaya, 8, 125315 Moscow, Russia; (M.Y.M.); (A.M.D.)
- Correspondence: ; Tel.: +7-9199668657; Fax: +7-4991511756
| | - Zinaida I. Storozheva
- Laboratory of Clinical Neurophysiology, Serbsky’ National Medical Research Center for Psychiatry and Narcology, Kropotkinsky per., 23, 111395 Moscow, Russia;
| | - Andrey T. Proshin
- Laboratory of Functional Neurochemistry, P.K. Anokhin Institute of Normal Physiology, Baltiyskaya, 8, 125315 Moscow, Russia;
| | - Mikhail Yu. Monakov
- Laboratory of General Pathology of Cardiorespiratory System, Institute of General Pathology and Pathophysiology, Baltiyskaya, 8, 125315 Moscow, Russia; (M.Y.M.); (A.M.D.)
| | - Alexander M. Dudchenko
- Laboratory of General Pathology of Cardiorespiratory System, Institute of General Pathology and Pathophysiology, Baltiyskaya, 8, 125315 Moscow, Russia; (M.Y.M.); (A.M.D.)
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8
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Hamm AO. Fear, anxiety, and their disorders from the perspective of psychophysiology. Psychophysiology 2019; 57:e13474. [DOI: 10.1111/psyp.13474] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 08/07/2019] [Accepted: 08/19/2019] [Indexed: 01/15/2023]
Affiliation(s)
- Alfons O. Hamm
- Department of Psychology University of Greifswald Greifswald Germany
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9
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Khalsa SS, Feinstein JS, Simmons WK, Paulus MP. Taking Aim at Interoception's Role in Mental Health. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2019; 3:496-498. [PMID: 29884279 DOI: 10.1016/j.bpsc.2018.04.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 04/19/2018] [Indexed: 10/14/2022]
Affiliation(s)
- Sahib S Khalsa
- Laureate Institute for Brain Research, and the Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma.
| | - Justin S Feinstein
- Laureate Institute for Brain Research, and the Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma
| | - W Kyle Simmons
- Laureate Institute for Brain Research, and the Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma
| | - Martin P Paulus
- Laureate Institute for Brain Research, and the Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma
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10
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Khalsa SS, Adolphs R, Cameron OG, Critchley HD, Davenport PW, Feinstein JS, Feusner JD, Garfinkel SN, Lane RD, Mehling WE, Meuret AE, Nemeroff CB, Oppenheimer S, Petzschner FH, Pollatos O, Rhudy JL, Schramm LP, Simmons WK, Stein MB, Stephan KE, Van den Bergh O, Van Diest I, von Leupoldt A, Paulus MP. Interoception and Mental Health: A Roadmap. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2018; 3:501-513. [PMID: 29884281 PMCID: PMC6054486 DOI: 10.1016/j.bpsc.2017.12.004] [Citation(s) in RCA: 405] [Impact Index Per Article: 67.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 11/20/2017] [Accepted: 12/10/2017] [Indexed: 12/29/2022]
Abstract
Interoception refers to the process by which the nervous system senses, interprets, and integrates signals originating from within the body, providing a moment-by-moment mapping of the body's internal landscape across conscious and unconscious levels. Interoceptive signaling has been considered a component process of reflexes, urges, feelings, drives, adaptive responses, and cognitive and emotional experiences, highlighting its contributions to the maintenance of homeostatic functioning, body regulation, and survival. Dysfunction of interoception is increasingly recognized as an important component of different mental health conditions, including anxiety disorders, mood disorders, eating disorders, addictive disorders, and somatic symptom disorders. However, a number of conceptual and methodological challenges have made it difficult for interoceptive constructs to be broadly applied in mental health research and treatment settings. In November 2016, the Laureate Institute for Brain Research organized the first Interoception Summit, a gathering of interoception experts from around the world, with the goal of accelerating progress in understanding the role of interoception in mental health. The discussions at the meeting were organized around four themes: interoceptive assessment, interoceptive integration, interoceptive psychopathology, and the generation of a roadmap that could serve as a guide for future endeavors. This review article presents an overview of the emerging consensus generated by the meeting.
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Affiliation(s)
- Sahib S Khalsa
- Laureate Institute for Brain Research, University of Tulsa, Tulsa, Oklahoma; Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma.
| | - Ralph Adolphs
- California Institute of Technology, Pasadena, California
| | - Oliver G Cameron
- Department of Psychiatry, University of Michigan, Ann Arbor, Michigan
| | - Hugo D Critchley
- Sackler Centre for Consciousness Science, University of Sussex, Brighton, United Kingdom
| | - Paul W Davenport
- Department of Physiology, University of Florida, Gainesville, Florida
| | - Justin S Feinstein
- Laureate Institute for Brain Research, University of Tulsa, Tulsa, Oklahoma; Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma
| | - Jamie D Feusner
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, California
| | - Sarah N Garfinkel
- Sackler Centre for Consciousness Science, University of Sussex, Brighton, United Kingdom
| | - Richard D Lane
- Department of Psychiatry, University of Arizona, Tucson, Arizona
| | - Wolf E Mehling
- Department of Family and Community Medicine, University of California, San Francisco, San Francisco, California
| | - Alicia E Meuret
- Department of Psychology, Southern Methodist University, Dallas, Texas
| | - Charles B Nemeroff
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miami, Florida
| | | | - Frederike H Petzschner
- Translational Neuromodeling Unit, Institute for Biomedical Engineering, University of Zurich, Zurich, Switzerland
| | - Olga Pollatos
- Department of Clinical and Health Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Jamie L Rhudy
- Department of Psychology, University of Tulsa, Tulsa, Oklahoma
| | - Lawrence P Schramm
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland; Department of Neuroscience, Johns Hopkins University, Baltimore, Maryland
| | - W Kyle Simmons
- Laureate Institute for Brain Research, University of Tulsa, Tulsa, Oklahoma; Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma
| | - Murray B Stein
- Department of Psychiatry, University of California, San Diego, San Diego, California
| | - Klaas E Stephan
- Translational Neuromodeling Unit, Institute for Biomedical Engineering, University of Zurich, Zurich, Switzerland
| | | | - Ilse Van Diest
- Department of Health Psychology, University of Leuven, Leuven, Belgium
| | | | - Martin P Paulus
- Laureate Institute for Brain Research, University of Tulsa, Tulsa, Oklahoma
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