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Zhang J, Zamoscik VE, Kirsch P, Gerchen MF. No evidence from a negative mood induction fMRI task for frontal functional asymmetry as a suitable neurofeedback target. Sci Rep 2023; 13:17557. [PMID: 37845332 PMCID: PMC10579342 DOI: 10.1038/s41598-023-44694-3] [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: 02/06/2023] [Accepted: 10/11/2023] [Indexed: 10/18/2023] Open
Abstract
Frontal functional asymmetry (FA) has been proposed as a potential target for neurofeedback (NFB) training for mental disorders but most FA NFB studies used electroencephalography while the investigations of FA NFB in functional magnetic resonance imaging (fMRI) are rather limited. In this study, we aimed at identifying functional asymmetry effects in fMRI and exploring its potential as a target for fMRI NFB studies by re-analyzing an existing data set containing a resting state measurement and a sad mood induction task of n = 30 participants with remitted major depressive disorder and n = 30 matched healthy controls. We applied low-frequency fluctuations (ALFF), fractional ALFF, and regional homogeneity and estimated functional asymmetry in both a voxel-wise and regional manner. We assessed functional asymmetry during rest and negative mood induction as well as functional asymmetry changes between the phases, and associated the induced mood change with the change in functional asymmetry. Analyses were conducted within as well as between groups. Despite extensive analyses, we identified only very limited effects. While some tests showed nominal significance, our results did not contain any clear identifiable patterns of effects that would be expected if a true underlying effect would be present. In conclusion, we do not find evidence for FA effects related to negative mood in fMRI, which questions the usefulness of FA measures for real-time fMRI neurofeedback as a treatment approach for affective disorders.
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Affiliation(s)
- Jingying Zhang
- Department of Clinical Psychology, Central Institute of Mental Health, University of Heidelberg/Medical Faculty Mannheim, Mannheim, Germany.
| | - Vera Eva Zamoscik
- Department of Clinical Psychology, Central Institute of Mental Health, University of Heidelberg/Medical Faculty Mannheim, Mannheim, Germany
| | - Peter Kirsch
- Department of Clinical Psychology, Central Institute of Mental Health, University of Heidelberg/Medical Faculty Mannheim, Mannheim, Germany
- Department of Psychology, University of Heidelberg, Heidelberg, Germany
- Bernstein Center for Computational Neuroscience Heidelberg/Mannheim, Mannheim, Germany
| | - Martin Fungisai Gerchen
- Department of Clinical Psychology, Central Institute of Mental Health, University of Heidelberg/Medical Faculty Mannheim, Mannheim, Germany
- Department of Psychology, University of Heidelberg, Heidelberg, Germany
- Bernstein Center for Computational Neuroscience Heidelberg/Mannheim, Mannheim, Germany
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2
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Goheen J, Anderson JAE, Zhang J, Northoff G. From Lung to Brain: Respiration Modulates Neural and Mental Activity. Neurosci Bull 2023; 39:1577-1590. [PMID: 37285017 PMCID: PMC10533478 DOI: 10.1007/s12264-023-01070-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/10/2023] [Indexed: 06/08/2023] Open
Abstract
Respiration protocols have been developed to manipulate mental states, including their use for therapeutic purposes. In this systematic review, we discuss evidence that respiration may play a fundamental role in coordinating neural activity, behavior, and emotion. The main findings are: (1) respiration affects the neural activity of a wide variety of regions in the brain; (2) respiration modulates different frequency ranges in the brain's dynamics; (3) different respiration protocols (spontaneous, hyperventilation, slow or resonance respiration) yield different neural and mental effects; and (4) the effects of respiration on the brain are related to concurrent modulation of biochemical (oxygen delivery, pH) and physiological (cerebral blood flow, heart rate variability) variables. We conclude that respiration may be an integral rhythm of the brain's neural activity. This provides an intimate connection of respiration with neuro-mental features like emotion. A respiratory-neuro-mental connection holds the promise for a brain-based therapeutic usage of respiration in mental disorders.
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Affiliation(s)
- Josh Goheen
- The Royal Ottawa Mental Health Centre, The University of Ottawa, Ottawa, K1Z 7K4, Canada.
- Department of Cognitive Science, Carleton University, Ottawa, K1S 5B6, Canada.
| | - John A E Anderson
- Department of Cognitive Science, Carleton University, Ottawa, K1S 5B6, Canada
| | - Jianfeng Zhang
- Center for Brain Disorders and Cognitive Sciences, Shenzhen University, Shenzhen, 518060, China
- School of Psychology, Shenzhen University, Shenzhen, 518060, China
| | - Georg Northoff
- The Royal Ottawa Mental Health Centre, The University of Ottawa, Ottawa, K1Z 7K4, Canada
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3
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Gazi AH, Harrison AB, Lambert TP, Nawar A, Obideen M, Driggers EG, Vaccarino V, Shah AJ, Rozell CJ, Bikson M, Welsh JW, Inan OT, Bremner JD. Pain is reduced by transcutaneous cervical vagus nerve stimulation and correlated with cardiorespiratory variability measures in the context of opioid withdrawal. FRONTIERS IN PAIN RESEARCH 2022; 3:1031368. [PMID: 36438447 PMCID: PMC9682166 DOI: 10.3389/fpain.2022.1031368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/20/2022] [Indexed: 11/10/2022] Open
Abstract
Over 100,000 individuals in the United States lost their lives secondary to drug overdose in 2021, with opioid use disorder (OUD) being a leading cause. Pain is an important component of opioid withdrawal, which can complicate recovery from OUD. This study's objectives were to assess the effects of transcutaneous cervical vagus nerve stimulation (tcVNS), a technique shown to reduce sympathetic arousal in other populations, on pain during acute opioid withdrawal and to study pain's relationships with objective cardiorespiratory markers. Twenty patients with OUD underwent opioid withdrawal while participating in a two-hour protocol. The protocol involved opioid cues to induce opioid craving and neutral conditions for control purposes. Adhering to a double-blind design, patients were randomly assigned to receive active tcVNS (n = 9) or sham stimulation (n = 11) throughout the protocol. At the beginning and end of the protocol, patients' pain levels were assessed using the numerical rating scale (0–10 scale) for pain (NRS Pain). During the protocol, electrocardiogram and respiratory effort signals were measured, from which heart rate variability (HRV) and respiration pattern variability (RPV) were extracted. Pre- to post- changes (denoted with a Δ) were computed for all measures. Δ NRS Pain scores were lower (P = 0.045) for the active group (mean ± standard deviation: −0.8 ± 2.4) compared to the sham group (0.9 ± 1.0). A positive correlation existed between Δ NRS pain scores and Δ RPV (Spearman's ρ = 0.46; P = 0.04). Following adjustment for device group, a negative correlation existed between Δ HRV and Δ NRS Pain (Spearman's ρ = −0.43; P = 0.04). This randomized, double-blind, sham-controlled pilot study provides the first evidence of tcVNS-induced reductions in pain in patients with OUD experiencing opioid withdrawal. This study also provides the first quantitative evidence of an association between breathing irregularity and pain. The correlations between changes in pain and changes in objective physiological markers add validity to the data. Given the clinical importance of reducing pain non-pharmacologically, the findings support the need for further investigation of tcVNS and wearable cardiorespiratory sensing for pain monitoring and management in patients with OUD.
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Affiliation(s)
- Asim H. Gazi
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States
- Correspondence: Asim H. Gazi J. Douglas Bremner
| | - Anna B. Harrison
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - Tamara P. Lambert
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - Afra Nawar
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - Malik Obideen
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States
| | - Emily G. Driggers
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - Viola Vaccarino
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, United States
- Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA, United States
| | - Amit J. Shah
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, United States
- Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA, United States
- Atlanta Veterans Affairs Health Care System, Decatur, GA, United States
| | - Christopher J. Rozell
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - Marom Bikson
- Department of Biomedical Engineering, The City College of New York, New York, NY, United States
| | - Justine W. Welsh
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States
| | - Omer T. Inan
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States
- Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - J. Douglas Bremner
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States
- Atlanta Veterans Affairs Health Care System, Decatur, GA, United States
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, United States
- Correspondence: Asim H. Gazi J. Douglas Bremner
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4
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Pal A, Martinez F, Akey MA, Aysola RS, Henderson LA, Malhotra A, Macey PM. Breathing rate variability in obstructive sleep apnea during wakefulness. J Clin Sleep Med 2022; 18:825-833. [PMID: 34669569 PMCID: PMC8883075 DOI: 10.5664/jcsm.9728] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Obstructive sleep apnea (OSA) is defined by pauses in breathing during sleep, but daytime breathing dysregulation may also be present. Sleep may unmask breathing instability in OSA that is usually masked by behavioral influences during wakefulness. A breath-hold (BH) challenge has been used to demonstrate breathing instability. One measure of breathing stability is breathing rate variability (BRV). We aimed to assess BRV during rest and in response to BH in OSA. METHODS We studied 62 participants (31 with untreated OSA: respiratory event index [mean ± SD] 20 ± 15 events/h, 12 females, age 51 ± 14 years, body mass index [BMI] 32 ± 8 kg/m2; 31 controls: 17 females, age 47 ± 13 years; BMI 26 ± 4 kg/m2). Breathing movements were collected using a chest belt for 5 minutes of rest and during a BH protocol (60 seconds baseline, 30 seconds BH, 90 seconds recovery, 3 repeats). From the breathing movements, we calculated median breathing rate (BR) and interquartile BRV at rest. We calculated change in BRV during BH recovery from baseline. Group comparisons of OSA vs control were conducted using analysis of covariance with age, sex, and BMI as covariates. RESULTS We found 10% higher BRV in OSA vs controls (P < .05) during rest. In response to BH, BRV increased 7% in OSA vs 1% in controls (P < .001). Resting BR was not significantly different in OSA and controls, and sex and age did not have any significant interaction effects. BMI was associated with BR at rest (P < .05) and change in BRV with BH (P < .001), but no significant BMI-by-group interaction effect was observed. CONCLUSIONS The findings suggest breathing instability as reflected by BRV is high in OSA during wakefulness, both at rest and in response to a stimulus. Breathing instability together with high blood pressure variability in OSA may reflect a compromised cardiorespiratory consequence in OSA during wakefulness. CITATION Pal A, Martinez F, Akey MA, et al. Breathing rate variability in obstructive sleep apnea during wakefulness. J Clin Sleep Med. 2022;18(3):825-833.
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Affiliation(s)
- Amrita Pal
- UCLA School of Nursing, University of California, Los Angeles, Los Angeles, California
| | - Fernando Martinez
- UCLA School of Nursing, University of California, Los Angeles, Los Angeles, California
| | - Margaret A. Akey
- UCLA School of Nursing, University of California, Los Angeles, Los Angeles, California
| | - Ravi S. Aysola
- Division of Pulmonary and Critical Care, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, California
| | - Luke A. Henderson
- Brain and Mind Centre, School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Atul Malhotra
- Department of Pulmonary Critical Care and Sleep Medicine, University of California, San Diego, San Diego, California
| | - Paul M. Macey
- UCLA School of Nursing, University of California, Los Angeles, Los Angeles, California,Address correspondence to: Paul M. Macey, PhD, UCLA School of Nursing, 700 Tiverton Avenue, Los Angeles, CA 90095-1702; Tel: (424) 234-3244;
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5
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Burrows K, DeVille DC, Cosgrove KT, Kuplicki RT, Paulus MP, Aupperle R, Khalsa SS, Stewart JL. Impact of serotonergic medication on interoception in major depressive disorder. Biol Psychol 2022; 169:108286. [PMID: 35149138 PMCID: PMC8958795 DOI: 10.1016/j.biopsycho.2022.108286] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 12/28/2022]
Abstract
Unmedicated individuals with major depressive disorder (MDD) show abnormal interoception, but it is unclear whether antidepressant treatment via serotonergic medication alters this relationship. The current cross-sectional study examined associations between neural and behavioral indices of interoceptive processing and chronic serotonergic medication administration in MDD. 47 selective serotonin reuptake inhibitor (SSRI)-medicated MDD (MDD-SSRI) individuals were propensity-matched with 48 unmedicated current MDD (MDD-UnMed) and 41 healthy comparison (HC) participants on demographics including age, sex, body mass index, education, as well as on dimensional scales of symptom severity including depression and anxiety. All participants completed an interoceptive attention task during functional magnetic resonance imaging, and a behavioral heartbeat tapping task under three conditions: Guessing, No Guessing, and Breath Hold. Relative to HC, both MDD groups: (1) exhibited lower mid-insula, amygdala, putamen, and caudate activation during interoceptive versus exteroceptive attention; and (2) showed poorer heartbeat tapping performance during the Breath Hold condition. However, the MDD-SSRI group reported higher intensity ratings of heartbeat and stomach sensations than MDD-UnMed and HC during the interoceptive attention task. These findings suggest that the attenuated patterns of neural activation observed in depressed individuals during interoceptive attention are not ameliorated by the chronic administration of serotonergic medications. However, amplified interoceptive sensation ratings suggest a potential impact of chronic serotonergic medication on conscious experiences of internal body states. Future investigations will need to determine the extent to which serotonergic medications acutely influence interoceptive processing, and whether such changes play a role in therapeutic responses during treatment initiation.
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Affiliation(s)
- Kaiping Burrows
- Laureate Institute for Brain Research, Tulsa, OK, United States.
| | | | | | | | | | - Martin P. Paulus
- Laureate Institute for Brain Research, Tulsa, OK,Department of Community Medicine, University of Tulsa, Tulsa, OK
| | - Robin Aupperle
- Laureate Institute for Brain Research, Tulsa, OK,Department of Community Medicine, University of Tulsa, Tulsa, OK
| | - Sahib S. Khalsa
- Laureate Institute for Brain Research, Tulsa, OK,Department of Community Medicine, University of Tulsa, Tulsa, OK
| | - Jennifer L. Stewart
- Laureate Institute for Brain Research, Tulsa, OK,Department of Community Medicine, University of Tulsa, Tulsa, OK
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6
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Sanchez-Perez JA, Berkebile JA, Nevius BN, Ozmen GC, Nichols CJ, Ganti VG, Mabrouk SA, Clifford GD, Kamaleswaran R, Wright DW, Inan OT. A Wearable Multimodal Sensing System for Tracking Changes in Pulmonary Fluid Status, Lung Sounds, and Respiratory Markers. SENSORS 2022; 22:s22031130. [PMID: 35161876 PMCID: PMC8838360 DOI: 10.3390/s22031130] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/23/2022] [Accepted: 01/29/2022] [Indexed: 12/17/2022]
Abstract
Heart failure (HF) exacerbations, characterized by pulmonary congestion and breathlessness, require frequent hospitalizations, often resulting in poor outcomes. Current methods for tracking lung fluid and respiratory distress are unable to produce continuous, holistic measures of cardiopulmonary health. We present a multimodal sensing system that captures bioimpedance spectroscopy (BIS), multi-channel lung sounds from four contact microphones, multi-frequency impedance pneumography (IP), temperature, and kinematics to track changes in cardiopulmonary status. We first validated the system on healthy subjects (n = 10) and then conducted a feasibility study on patients (n = 14) with HF in clinical settings. Three measurements were taken throughout the course of hospitalization, and parameters relevant to lung fluid status—the ratio of the resistances at 5 kHz to those at 150 kHz (K)—and respiratory timings (e.g., respiratory rate) were extracted. We found a statistically significant increase in K (p < 0.05) from admission to discharge and observed respiratory timings in physiologically plausible ranges. The IP-derived respiratory signals and lung sounds were sensitive enough to detect abnormal respiratory patterns (Cheyne–Stokes) and inspiratory crackles from patient recordings, respectively. We demonstrated that the proposed system is suitable for detecting changes in pulmonary fluid status and capturing high-quality respiratory signals and lung sounds in a clinical setting.
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Affiliation(s)
- Jesus Antonio Sanchez-Perez
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30313, USA; (J.A.B.); (G.C.O.); (S.A.M.); (O.T.I.)
- Correspondence:
| | - John A. Berkebile
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30313, USA; (J.A.B.); (G.C.O.); (S.A.M.); (O.T.I.)
| | - Brandi N. Nevius
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA;
| | - Goktug C. Ozmen
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30313, USA; (J.A.B.); (G.C.O.); (S.A.M.); (O.T.I.)
| | - Christopher J. Nichols
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Emory University, Atlanta, GA 30332, USA; (C.J.N.); (G.D.C.); (R.K.)
| | - Venu G. Ganti
- Bioengineering Graduate Program, Georgia Institute of Technology, Atlanta, GA 30332, USA;
| | - Samer A. Mabrouk
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30313, USA; (J.A.B.); (G.C.O.); (S.A.M.); (O.T.I.)
| | - Gari D. Clifford
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Emory University, Atlanta, GA 30332, USA; (C.J.N.); (G.D.C.); (R.K.)
- Department of Biomedical Informatics, Emory University, Atlanta, GA 30332, USA
| | - Rishikesan Kamaleswaran
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Emory University, Atlanta, GA 30332, USA; (C.J.N.); (G.D.C.); (R.K.)
- Department of Biomedical Informatics, Emory University, Atlanta, GA 30332, USA
- Department of Emergency Medicine, Emory University, Atlanta, GA 30332, USA;
| | - David W. Wright
- Department of Emergency Medicine, Emory University, Atlanta, GA 30332, USA;
| | - Omer T. Inan
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30313, USA; (J.A.B.); (G.C.O.); (S.A.M.); (O.T.I.)
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Emory University, Atlanta, GA 30332, USA; (C.J.N.); (G.D.C.); (R.K.)
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7
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Gazi AH, Wittbrodt MT, Harrison AB, Sundararaj S, Gurel NZ, Nye JA, Shah AJ, Vaccarino V, Bremner JD, Inan OT. Robust Estimation of Respiratory Variability Uncovers Correlates of Limbic Brain Activity and Transcutaneous Cervical Vagus Nerve Stimulation in the Context of Traumatic Stress. IEEE Trans Biomed Eng 2022; 69:849-859. [PMID: 34449355 PMCID: PMC8853700 DOI: 10.1109/tbme.2021.3108135] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Variations in respiration patterns are a characteristic response to distress due to underlying neurorespiratory couplings. Yet, no work to date has quantified respiration pattern variability (RPV) in the context of traumatic stress and studied its functional neural correlates - this analysis aims to address this gap. METHODS Fifty human subjects with prior traumatic experiences (24 with posttraumatic stress disorder (PTSD)) completed a ∼3-hr protocol involving personalized traumatic scripts and active/sham (double-blind) transcutaneous cervical vagus nerve stimulation (tcVNS). High-resolution positron emission tomography functional neuroimages, electrocardiogram (ECG), and respiratory effort (RSP) data were collected during the protocol. Supplementing the RSP signal with ECG-derived respiration for quality assessment and timing extraction, RPV metrics were quantified and analyzed. Specifically, correlation analyses were performed using neuroactivity in selected limbic regions, and responses to active and sham tcVNS were compared. RESULTS The single-lag unscaled autocorrelation of respiration rate correlated negatively with left amygdala activity and positively with right rostromedial prefrontal cortex (rmPFC) activity for non-PTSD; it also correlated negatively with left and right insulae activity and positively with right rmPFC activity for PTSD. The single-lag unscaled autocorrelation of expiration time was greater following active stimulation for non-PTSD. CONCLUSION Quantifying RPV is of demonstrable importance to assessing trauma-induced changes in neural function and tcVNS effects on respiratory physiology. SIGNIFICANCE This is the first demonstration of RPV's pertinence to traumatic stress- and tcVNS-induced neurorespiratory responses. The open-source processing pipeline elucidated herein uniquely includes both RSP and ECG-derived respiration signals for quality assessment, timing estimation, and RPV extraction.
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Affiliation(s)
- Asim H. Gazi
- School of Electrical and Computer Engineering, S. Sundararaj is with the College of Sciences, Atlanta, GA 30308 USA
| | - Matthew T. Wittbrodt
- Department of Anesthesiology, School of Medicine, Northwestern University, Chicago, IL 60611,Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA 30322
| | - Anna B. Harrison
- School of Electrical and Computer Engineering, S. Sundararaj is with the College of Sciences, Atlanta, GA 30308 USA
| | | | - Nil Z. Gurel
- David Geffen School of Medicine at UCLA, Los Angeles, CA 90095
| | - Jonathon A. Nye
- Department of Radiology, Emory University School of Medicine, Atlanta, GA 30322
| | - Amit J. Shah
- Department of Epidemiology, Rollins School of Public Health, Atlanta, GA 30322,Department of Internal Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322,Atlanta VA Medical Center, Emory University, Atlanta, GA 30322
| | - Viola Vaccarino
- Department of Epidemiology, Rollins School of Public Health, Atlanta, GA 30322,Department of Internal Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322
| | - J. Douglas Bremner
- Department of Radiology, Emory University School of Medicine, Atlanta, GA 30322,Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA 30322,Atlanta VA Medical Center, Emory University, Atlanta, GA 30322
| | - Omer T. Inan
- School of Electrical and Computer Engineering, S. Sundararaj is with the College of Sciences,Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30308 USA
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8
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Weiss F, Zhang J, Aslan A, Kirsch P, Gerchen MF. Feasibility of training the dorsolateral prefrontal-striatal network by real-time fMRI neurofeedback. Sci Rep 2022; 12:1669. [PMID: 35102203 PMCID: PMC8803939 DOI: 10.1038/s41598-022-05675-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/17/2022] [Indexed: 12/17/2022] Open
Abstract
Real-time fMRI neurofeedback (rt-fMRI NF) is a promising non-invasive technique that enables volitional control of usually covert brain processes. While most rt-fMRI NF studies so far have demonstrated the ability of the method to evoke changes in brain activity and improve symptoms of mental disorders, a recently evolving field is network-based functional connectivity (FC) rt-fMRI NF. However, FC rt-fMRI NF has methodological challenges such as respirational artefacts that could potentially bias the training if not controlled. In this randomized, double-blind, yoke-controlled, pre-registered FC rt-fMRI NF study with healthy participants (N = 40) studied over three training days, we tested the feasibility of an FC rt-fMRI NF approach with online global signal regression (GSR) to control for physiological artefacts for up-regulation of connectivity in the dorsolateral prefrontal-striatal network. While our pre-registered null hypothesis significance tests failed to reach criterion, we estimated the FC training effect at a medium effect size at the end of the third training day after rigorous control of physiological artefacts in the offline data. This hints at the potential of FC rt-fMRI NF for the development of innovative transdiagnostic circuit-specific interventional approaches for mental disorders and the effect should now be confirmed in a well-powered study.
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Affiliation(s)
- Franziska Weiss
- Department of Clinical Psychology, Central Institute of Mental Health (ZI), Heidelberg University/Medical Faculty Mannheim, J5, 68159, Mannheim, Germany
| | - Jingying Zhang
- Department of Clinical Psychology, Central Institute of Mental Health (ZI), Heidelberg University/Medical Faculty Mannheim, J5, 68159, Mannheim, Germany
| | - Acelya Aslan
- Department of Addiction Behavior and Addiction Medicine, Central Institute of Mental Health, Heidelberg University/Medical Faculty Mannheim, Mannheim, Germany
| | - Peter Kirsch
- Department of Clinical Psychology, Central Institute of Mental Health (ZI), Heidelberg University/Medical Faculty Mannheim, J5, 68159, Mannheim, Germany.,Bernstein Center for Computational Neuroscience Heidelberg/Mannheim, Mannheim, Germany.,Department of Psychology, Heidelberg University, Heidelberg, Germany
| | - Martin Fungisai Gerchen
- Department of Clinical Psychology, Central Institute of Mental Health (ZI), Heidelberg University/Medical Faculty Mannheim, J5, 68159, Mannheim, Germany. .,Bernstein Center for Computational Neuroscience Heidelberg/Mannheim, Mannheim, Germany. .,Department of Psychology, Heidelberg University, Heidelberg, Germany.
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9
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Lian J, Luo Y, Zheng M, Zhang J, Liang J, Wen J, Guo X. Sleep-Dependent Anomalous Cortical Information Interaction in Patients With Depression. Front Neurosci 2022; 15:736426. [PMID: 35069093 PMCID: PMC8772413 DOI: 10.3389/fnins.2021.736426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 11/22/2021] [Indexed: 11/30/2022] Open
Abstract
Depression is a prevalent mental illness with high morbidity and is considered the main cause of disability worldwide. Brain activity while sleeping is reported to be affected by such mental illness. To explore the change of cortical information flow during sleep in depressed patients, a delay symbolic phase transfer entropy of scalp electroencephalography signals was used to measure effective connectivity between cortical regions in various frequency bands and sleep stages. The patient group and the control group shared similar patterns of information flow between channels during sleep. Obvious information flows to the left hemisphere and to the anterior cortex were found. Moreover, the occiput tended to be the information driver, whereas the frontal regions played the role of the receiver, and the right hemispheric regions showed a stronger information drive than the left ones. Compared with healthy controls, such directional tendencies in information flow and the definiteness of role division in cortical regions were both weakened in patients in most frequency bands and sleep stages, but the beta band during the N1 stage was an exception. The computable sleep-dependent cortical interaction may provide clues to characterize cortical abnormalities in depressed patients and should be helpful for the diagnosis of depression.
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Affiliation(s)
- Jiakai Lian
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
| | - Yuxi Luo
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Sensing Technology and Biomedical Instruments, Sun Yat-sen University, Guangzhou, China
| | - Minglong Zheng
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
| | - Jiaxi Zhang
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China
| | - Jiuxing Liang
- Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China
| | - Jinfeng Wen
- Department of Psychology, Guangdong 999 Brain Hospital, Guangzhou, China
| | - Xinwen Guo
- Department of Psychology, Guangdong 999 Brain Hospital, Guangzhou, China
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Anxiety-like behavior induced by allergen is associated with decreased irregularity of breathing pattern in rats. Respir Physiol Neurobiol 2022; 298:103847. [DOI: 10.1016/j.resp.2022.103847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 11/18/2022]
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Gazi AH, Sundararaj S, Harrison AB, Gurel NZ, Wittbrodt MT, Shah AJ, Vaccarino V, Bremner JD, Inan OT. Transcutaneous Cervical Vagus Nerve Stimulation Lengthens Exhalation in the Context of Traumatic Stress. ... IEEE-EMBS INTERNATIONAL CONFERENCE ON BIOMEDICAL AND HEALTH INFORMATICS. IEEE-EMBS INTERNATIONAL CONFERENCE ON BIOMEDICAL AND HEALTH INFORMATICS 2021; 2021:10.1109/bhi50953.2021.9508534. [PMID: 37082108 PMCID: PMC10114770 DOI: 10.1109/bhi50953.2021.9508534] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
Transcutaneous electrical stimulation of the vagus nerve is believed to deliver afferent signaling to the brain that, in turn, yields downstream changes in peripheral physiology, including cardiovascular and respiratory parameters. While the effects of transcutaneous cervical vagus nerve stimulation (tcVNS) on these parameters have been studied broadly, little is known regarding the specific effects of tcVNS on exhalation time and the spontaneous respiration cycle. By understanding such effects, tcVNS could be used to counterbalance sympathetic hyperactivity following distress by enhancing vagal tone through parasympathetically favored modulation of inspiration and expiration - specifically, lengthened expiration relative to inspiration. We thus investigated the effects of tcVNS on respiration timings by decomposing the respiration cycle into inspiration and expiration times and incorporating state-of-the-art respiration quality assessment algorithms for respiratory effort belt and electrocardiogram derived respiration signals. This enabled robust estimation of respiration timings from quality measurements alone. We thereby found that tcVNS increases expiration time minutes after stimulation, compared to a sham control (N = 26). This suggests that tcVNS could counteract sympathovagal imbalance, given the relationship between expiration and heightened vagal tone.
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Affiliation(s)
- Asim H Gazi
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | | | - Anna B Harrison
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Nil Z Gurel
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Matthew T Wittbrodt
- Department of Anesthesiology, Northwestern University School of Medicine, Chicago, IL, USA
| | - Amit J Shah
- Department of Epidemiology, Rollins School of Public Health, Atlanta, GA, USA
| | - Viola Vaccarino
- Department of Epidemiology, Rollins School of Public Health, Atlanta, GA, USA
| | - J Douglas Bremner
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Omer T Inan
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
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Effect of nasal airflow on respiratory pattern variability in rats. PHYSIOLOGY AND PHARMACOLOGY 2021. [DOI: 10.52547/phypha.26.1.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Zamoscik V, Schmidt SN, Timm C, Kuehner C, Kirsch P. Modulation of respiration pattern variability and its relation to anxiety symptoms in remitted recurrent depression. Heliyon 2020; 6:e04261. [PMID: 32685708 PMCID: PMC7358718 DOI: 10.1016/j.heliyon.2020.e04261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/27/2020] [Accepted: 06/17/2020] [Indexed: 12/04/2022] Open
Abstract
Background Depression is related to default mode network (DMN) connectivity and higher respiration pattern variability (RPV). In addition, DMN connectivity and RPV are interrelated and predict a poorer clinical course of depression. The association of RPV and depression might further be boosted by anxiety levels. Aim of the present study was to investigate whether a mindfulness-based training in emotionally challenged remitted depressed participants (rMDD) leads to reduced DMN connectivity and lower RPV, and if RPV interacts with anxiety levels. Methods To challenge participants, sad mood was induced with keywords of personal negative life events in 49 rMDD during fMRI before and after a 4-week mindfulness-based attention training (MBAT) or progressive muscle relaxation. Respiration was measured by means of a built-in respiration belt. Results After both trainings, rMDD showed no significant changes in DMN connectivity. However, MBAT was effective in reducing the RPV which was related to lower anxiety levels especially in high anxious individuals. Conclusions RPV can be influenced by training which may hint to an underlying biological pathway of training effects. Importantly, these effects seem to be associated with anxiety levels. Therefore, respiration focused training might be an important tool assisting the treatment of depression and anxiety.
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Affiliation(s)
- Vera Zamoscik
- Department Clinical Psychology, Central Institute of Mental Health, Mannheim, Medical Faculty Mannheim, Heidelberg University, Germany
- Department of Psychology, University of Bonn, Germany
- Corresponding author.
| | - Stephanie N.L. Schmidt
- Department Clinical Psychology, Central Institute of Mental Health, Mannheim, Medical Faculty Mannheim, Heidelberg University, Germany
- Research Group of Clinical Psychology, Department of Psychology, University of Konstanz, Germany
| | - Christina Timm
- Research Group Longitudinal and Intervention Research, Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Mannheim, Medical Faculty Mannheim, Heidelberg University, Germany
| | - Christine Kuehner
- Research Group Longitudinal and Intervention Research, Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Mannheim, Medical Faculty Mannheim, Heidelberg University, Germany
| | - Peter Kirsch
- Department Clinical Psychology, Central Institute of Mental Health, Mannheim, Medical Faculty Mannheim, Heidelberg University, Germany
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Keller M, Pelz H, Perlitz V, Zweerings J, Röcher E, Baqapuri HI, Mathiak K. Neural correlates of fluctuations in the intermediate band for heart rate and respiration are related to interoceptive perception. Psychophysiology 2020; 57:e13594. [DOI: 10.1111/psyp.13594] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 03/19/2020] [Accepted: 04/14/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Micha Keller
- Department of Psychiatry, Psychotherapy and Psychosomatics Medical School RWTH Aachen University Aachen Germany
| | - Holger Pelz
- Deutsche Gesellschaft für Osteopathische Medizin (DGOM) Mannheim Germany
| | | | - Jana Zweerings
- Department of Psychiatry, Psychotherapy and Psychosomatics Medical School RWTH Aachen University Aachen Germany
| | - Erik Röcher
- Department of Psychiatry, Psychotherapy and Psychosomatics Medical School RWTH Aachen University Aachen Germany
| | - Halim Ibrahim Baqapuri
- Department of Psychiatry, Psychotherapy and Psychosomatics Medical School RWTH Aachen University Aachen Germany
| | - Klaus Mathiak
- Department of Psychiatry, Psychotherapy and Psychosomatics Medical School RWTH Aachen University Aachen Germany
- Jülich Aachen Research Alliance (JARA), Translational Brain Medicine Jülich Germany
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Weiss F, Zamoscik V, Schmidt SN, Halli P, Kirsch P, Gerchen MF. Just a very expensive breathing training? Risk of respiratory artefacts in functional connectivity-based real-time fMRI neurofeedback. Neuroimage 2020; 210:116580. [DOI: 10.1016/j.neuroimage.2020.116580] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/15/2020] [Accepted: 01/20/2020] [Indexed: 10/25/2022] Open
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Lydon-Staley DM, Kuehner C, Zamoscik V, Huffziger S, Kirsch P, Bassett DS. Repetitive negative thinking in daily life and functional connectivity among default mode, fronto-parietal, and salience networks. Transl Psychiatry 2019; 9:234. [PMID: 31534117 PMCID: PMC6751201 DOI: 10.1038/s41398-019-0560-0] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 04/11/2019] [Accepted: 05/13/2019] [Indexed: 12/23/2022] Open
Abstract
Repetitive negative thinking (RNT) is a maladaptive response to sadness and a transdiagnostic risk-factor. A critical challenge hampering attempts to promote more adaptive responses to sadness is that the between-person characteristics associated with the tendency for RNT remain uncharacterized. From the perspective of the impaired disengagement hypothesis, we examine between-person differences in blood-oxygen-level-dependent (BOLD) functional networks underlying cognitive conflict signaling, self-referential thought, and cognitive flexibility, and the association between sadness and RNT in daily life. We pair functional magnetic resonance imaging with ambulatory assessments deployed 10 times per day over 4 consecutive days measuring momentary sadness and RNT from 58 participants (40 female, mean age = 36.69 years; 29 remitted from a lifetime episode of Major Depression) in a multilevel model. We show that RNT increases following sadness for participants with higher than average between-network connectivity of the default mode network and the fronto-parietal network. We also show that RNT increases following increases in sadness for participants with lower than average between-network connectivity of the fronto-parietal network and the salience network. We also find that flexibility of the salience network's pattern of connections with brain regions is protective against increases in RNT following sadness. Our findings highlight the importance of functional brain networks implicated in cognitive conflict signaling, self-referential thought, and cognitive flexibility for understanding maladaptive responses to sadness in daily life and provide support for the impaired disengagement hypothesis of RNT.
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Affiliation(s)
- D M Lydon-Staley
- Department of Bioengineering, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - C Kuehner
- Research Group Longitudinal and Intervention Research, Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - V Zamoscik
- Department of Clinical Psychology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - S Huffziger
- Research Group Longitudinal and Intervention Research, Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
- Institute Psychiatric and Psychosomatics Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - P Kirsch
- Department of Clinical Psychology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - D S Bassett
- Department of Bioengineering, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Department of Electrical & Systems Engineering, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Department of Physics & Astronomy, College of Arts and Sciences, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvani, Philadelphia, PA, 19104, USA.
- Santa Fe Institute, Santa Fe, NM, 87501, USA.
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