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Chen Y, Chaudhary S, Wang W, Li CSR. Gray matter volumes of the insula and anterior cingulate cortex and their dysfunctional roles in cigarette smoking. ADDICTION NEUROSCIENCE 2022; 1:100003. [PMID: 37220533 PMCID: PMC10201991 DOI: 10.1016/j.addicn.2021.100003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The salience network, including the insula and anterior cingulate cortex (ACC), has been implicated in nicotine addiction. Structural imaging studies have reported diminished insula and ACC gray matter volumes (GMVs) in smokers as compared to nonsmokers. However, it remains unclear how insula and ACC GMVs may relate to years of smoking, addiction severity, or behavioral traits known to dispose individuals to smoking. Here, with a dataset curated from the Human Connectome Project and voxel-based morphometry, we replicated the findings of smaller GMVs of the insula and medial prefrontal cortex, including the dorsal ACC and supplementary motor area (dACC/SMA), in (70 heavy < 209 light < 209 never) smokers matched in age, sex, and average daily num ber of drinks. The GMVs of the insula or dACC/SMA were not significantly correlated with years of smoking or Fagerstrom Test for Nicotine Dependence (FTND) scores. Heavy relative to never smokers demonstrated higher externalizing and internalizing scores, as evaluated by the NIH Emotion. In heavy smokers, the dACC/SMA but not insula GMV was positively correlated with both externalizing and internalizing scores. The findings together confirm volumetric changes in the salience network in heavy smokers and suggest potentially distinct dysfunctional roles of the insula and dACC/SMA in chronic smoking.
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Affiliation(s)
- Yu Chen
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Shefali Chaudhary
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Wuyi Wang
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Chiang-Shan R. Li
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
- Department of Neuroscience, Yale University School of Medicine, New Haven, CT, United States
- Interdepartmental Neuroscience Program, Yale University School of Medicine, New Haven, CT, United States
- Wu Tsai Institute, Yale University, New Haven, CT, United States
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Altered neural processing of negative stimuli in people with internet gaming disorder: fMRI evidence from the comparison with recreational game users. J Affect Disord 2020; 264:324-332. [PMID: 32056768 DOI: 10.1016/j.jad.2020.01.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/19/2019] [Accepted: 01/03/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Abundant clinical studies have suggested that emotion dysregulation seems to be the essential pathogenesis for Internet gaming disorder (IGD). However, the neural mechanism of emotion regulation for IGD is still unclear. METHODS Subjective evaluation and fMRI data were collected from 50 subjects (IGD: 24; recreational game user (RGU): 26) while they were performing an emotion reappraisal task. We collected and compared their brain features during emotion processing of different visual stimuli. RESULTS Higher activation in the left dorsal anterior cingulate cortex (dACC), right ventral ACC, left claustrum and bilateral insula was observed in participants with IGD during emotion reappraisal relative to that of the RGU participants. In addition, generalized psychophysiological interaction analysis also showed that IGD participants had stronger functional connectivity between the right insula and bilateral dorsolateral prefrontal cortex (DLPFC) than the RGU participants. CONCLUSIONS The results suggest that IGD participants could not down-regulate their negative emotional experiences as efficiently as the RGU participants, although they engaged more cognitive resources. These results reveal the special neural circuits of emotion dysregulation in IGD individuals and provide new neural perspective for the intervention of IGD.
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Lin F, Wu G, Zhu L, Lei H. Region-Specific Changes of Insular Cortical Thickness in Heavy Smokers. Front Hum Neurosci 2019; 13:265. [PMID: 31417384 PMCID: PMC6685069 DOI: 10.3389/fnhum.2019.00265] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 07/16/2019] [Indexed: 11/13/2022] Open
Abstract
Insula plays an essential role in maintaining the addiction to cigarette smoking and smoking-related alterations on the insular volume and density have been reported in smokers. However, less is known about the effects of chronic cigarette smoking on the insular cortical thickness. In this study, we explored the region-specific changes of insular cortical thickness in heavy smokers and their relations with smoking-related variables. 37 heavy smokers (29 males, mean age 47.19 ± 7.22 years) and 37 non-smoking healthy controls (29 males, mean age 46.95 ± 8.45 years) participated in the study. Subregional insular cortical thickness was evaluated and compared between the two groups. Correlation analysis was performed to investigate relationships between the insular cortical thickness and clinical characteristics in heavy smokers. There was no statistical difference on the cortical thickness in the left insula (p = 0.536) between the two groups while heavy smokers had a slightly thinner cortical thickness in the right insula (p = 0.048). In addition, heavy smokers showed a greater cortical thinning in the anterior (p = 0.0084) and superior (p = 0.0054) segment of the circular sulcus of the right insula as well as the inferior (p = 0.012) segment of the circular sulcus of the left insula. Moreover, the cortical thickness of the superior segment of the circular sulcus of the left insula was correlated negatively with nicotine severity (r = −0.423; p = 0.009) and the longer cigarette exposure was associated with the cortical thinning in the long insular gyrus and central sulcus of the right insula (r = −0.475; p = 0.003). Our findings indicate that chronic cigarette use is associated with region-specific insular thinning, which has the potential to improve our understanding of the specific roles of insular subregions in nicotine addiction.
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Affiliation(s)
- Fuchun Lin
- National Center for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Guangyao Wu
- Department of Radiology, Zhongnan Hospital, Wuhan University, Wuhan, China.,Department of Medical Imaging, Shenzhen University General Hospital, Medical College of Shenzhen University, Shenzhen, China
| | - Ling Zhu
- Department of Radiology, Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Hao Lei
- National Center for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
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Regner MF, Tregellas J, Kluger B, Wylie K, Gowin JL, Tanabe J. The insula in nicotine use disorder: Functional neuroimaging and implications for neuromodulation. Neurosci Biobehav Rev 2019; 103:414-424. [PMID: 31207255 DOI: 10.1016/j.neubiorev.2019.06.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 05/18/2019] [Accepted: 06/03/2019] [Indexed: 12/30/2022]
Abstract
Insula dysfunction contributes to nicotine use disorders. Yet, much remains unknown about how insular functions promote nicotine use. We review current models of brain networks in smoking and propose an extension to those models that emphasizes the role of the insula in craving. During acute withdrawal, the insula provides the sensation of craving to the cerebrum and is thought to negotiate craving sensations with cognitive control to guide behavior - either to smoke or abstain. Recent studies have shown that insula processing is saturable, such that different insular functions compete for limited resources. We propose that this saturability explains how craving during withdrawal can overload insular processing to the exclusion of other functions, such as saliency and network homeostasis. A novel signal flow model illustrates how limited insular capacity leads to breakdown of normal function. Finally, we discuss suitability of insula as a neuromodulation target to promote cessation. Given the limited efficacy of standard-of-care treatments for nicotine use disorder, insular neuromodulation offers an innovative, potentially therapeutic target for improving smoking cessation.
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Affiliation(s)
- Michael F Regner
- Department of Radiology, University of Colorado School of Medicine, United States; Department of Bioengineering, University of Colorado School of Medicine, United States.
| | - Jason Tregellas
- Department of Radiology, University of Colorado School of Medicine, United States; Department of Psychiatry, University of Colorado School of Medicine, United States; Research Service, Rocky Mountain Regional VA Medical Center, United States
| | - Benzi Kluger
- Department of Psychiatry, University of Colorado School of Medicine, United States; Department of Neurology, University of Colorado School of Medicine, United States
| | - Korey Wylie
- Department of Psychiatry, University of Colorado School of Medicine, United States
| | - Joshua L Gowin
- Department of Radiology, University of Colorado School of Medicine, United States
| | - Jody Tanabe
- Department of Radiology, University of Colorado School of Medicine, United States; Department of Psychiatry, University of Colorado School of Medicine, United States; Department of Neurology, University of Colorado School of Medicine, United States
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Gu F, He Y, Mao Y, Lu S, Zhao C, Li X, Zhou C, Hirsch FR. Risk factors for nicotine dependence in Chinese patients with lung cancer. J Int Med Res 2018; 47:391-397. [PMID: 30304970 PMCID: PMC6384457 DOI: 10.1177/0300060518802738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Objective Smoking is a poor prognostic factor for lung cancer. Nicotine dependence remains the major cause of failure of smoking cessation. We investigated the risk factors for nicotine dependence in patients with lung cancer. Methods Eligible patients were identified from November 2014 to February 2015. Age, marital status, educational level, annual household income, occupation, histology of lung cancer, tumor stage, smoking status, neuron-specific enolase (NSE) level, drive gene mutations, sleep quality, and patient personality were assessed. Physical nicotine dependence was assessed by the Fagerstrom Test for Nicotine Dependence (FTND). Results In total, 202 smokers were included in this study. Univariate analysis showed that marital status and pain were significantly correlated with nicotine dependence. Pearson’s correlation analysis showed that age at the initiation of smoking, attempts to quit, NSE level, and sleep quality were significantly correlated with FTND scores. Conclusions Pain, more attempts to quit, and poorer sleep quality were significantly associated with nicotine dependence. These risk factors could help to prevent smoking in Chinese patients with lung cancer.
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Affiliation(s)
- Fen Gu
- 1 Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Yayi He
- 1 Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Yanjun Mao
- 1 Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Shiwen Lu
- 1 Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Chao Zhao
- 2 Department of Lung Cancer and Immunology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Xuefei Li
- 2 Department of Lung Cancer and Immunology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Caicun Zhou
- 1 Department of Medical Oncology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, No. 507 Zhengmin Road, Shanghai, People's Republic of China
| | - Fred R Hirsch
- 3 Division of Medical Oncology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
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Janes AC, Gilman JM, Frederick BB, Radoman M, Pachas G, Fava M, Evins AE. Salience network coupling is linked to both tobacco smoking and symptoms of attention deficit hyperactivity disorder (ADHD). Drug Alcohol Depend 2018; 182:93-97. [PMID: 29175464 PMCID: PMC6585943 DOI: 10.1016/j.drugalcdep.2017.11.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/14/2017] [Accepted: 11/15/2017] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Attention deficit hyperactivity disorder (ADHD) symptoms, even those below diagnostic threshold, enhance the likelihood of nicotine dependence, suggesting a neurobiological link between disorders. Of particular interest is the salience network (SN), which mediates attention to salient internal/external stimuli to guide behavior and is anchored by the dorsal anterior cingulate cortex (dACC) and bilateral anterior insula (AI). Disrupted interactions between the SN and the default mode (DMN) and central executive networks (CEN) have been noted in both ADHD and nicotine dependence. Further, enhanced intra-SN coupling between the dACC-AI influences aspects of nicotine dependence such as reactivity to smoking cues. METHODS To identify links between SN functional connectivity and ADHD symptoms in nicotine dependence, we compared 21 nicotine dependent individuals with 17 non-smokers on ADHD symptoms as measured by the ADHD self-report scale (ASRS) and resting state intra and inter-SN functional connectivity. RESULTS Relative to healthy controls, nicotine dependent individuals had significantly higher ASRS scores and greater dACC-AI coupling. No group differences were noted on inter-SN network coupling. A significant association was found between ASRS and dACC-AI coupling both in the entire cohort and specifically when evaluating nicotine dependent individuals alone. CONCLUSIONS The greater ASRS scores in nicotine dependent individuals is in line with existent literature and the stronger dACC-AI coupling in smokers further supports the role of this network in nicotine dependence. The significant association between dACC-AI coupling and ASRS suggests that intra-SN coupling strength may impact neurocognitive functioning associated with both ADHD symptoms and nicotine dependence.
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Affiliation(s)
- A C Janes
- McLean Imaging Center, McLean Hospital, Belmont, MA, 02478, USA; Harvard Medical School, Boston, MA, USA.
| | - J M Gilman
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Athinoula A. Martinos Center in Biomedical Imaging, Department of Radiology, MGH, Charlestown, MA, USA,; Harvard Medical School, Boston, MA, USA
| | - B B Frederick
- McLean Imaging Center, McLean Hospital, Belmont, MA, 02478, USA; Harvard Medical School, Boston, MA, USA
| | - M Radoman
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA
| | - G Pachas
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - M Fava
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - A E Evins
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
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Keyser-Marcus L, Vassileva J, Stewart K, Johns S. Impulsivity and cue reactivity in smokers with comorbid depression and anxiety: Possible implications for smoking cessation treatment strategies. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2017; 43:432-441. [DOI: 10.1080/00952990.2017.1287190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Lori Keyser-Marcus
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
| | - Jasmin Vassileva
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
| | - Karen Stewart
- Department of Psychiatry and Behavior Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Sade Johns
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
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