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Gan C, Zhang H, Sun H, Cao X, Wang L, Zhang K, Yuan Y. Aberrant brain topological organization and granger causality connectivity in Parkinson's disease with impulse control disorders. Front Aging Neurosci 2024; 16:1364402. [PMID: 38725535 PMCID: PMC11079187 DOI: 10.3389/fnagi.2024.1364402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/03/2024] [Indexed: 05/12/2024] Open
Abstract
Introduction Impulse control disorders (ICDs) refer to the common neuropsychiatric complication of Parkinson's disease (PD). The white matter (WM) topological organization and its impact on brain networks remain to be established. Methods A total of 17 PD patients with ICD (PD-ICD), 17 without ICD (PD-NICD), and 18 healthy controls (HCs) were recruited. Graph theoretic analyses and Granger causality analyses were combined to investigate WM topological organization and the directional connection patterns of key regions. Results Compared to PD-NICD, ICD patients showed abnormal global properties, including decreased shortest path length (Lp) and increased global efficiency (Eg). Locally, the ICD group manifested abnormal nodal topological parameters predominantly in the left middle cingulate gyrus (MCG) and left superior cerebellum. Decreased directional connectivity from the left MCG to the right medial superior frontal gyrus was observed in the PD-ICD group. ICD severity was significantly correlated with Lp and Eg. Discussion Our findings reflected that ICD patients had excessively optimized WM topological organization, abnormally strengthened nodal structure connections within the reward network, and aberrant causal connectivity in specific cortical- limbic circuits. We hypothesized that the aberrant reward and motor inhibition circuit could play a crucial role in the emergence of ICDs.
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Affiliation(s)
- Caiting Gan
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Heng Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Huimin Sun
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xingyue Cao
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Lina Wang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Kezhong Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yongsheng Yuan
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Neurodegeneration, Nanjing Medical University, Nanjing, China
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Tseng YL, Su YK, Chou WJ, Miyakoshi M, Tsai CS, Li CJ, Lee SY, Wang LJ. Neural Network Dynamics and Brain Oscillations Underlying Aberrant Inhibitory Control in Internet Addiction. IEEE Trans Neural Syst Rehabil Eng 2024; 32:946-955. [PMID: 38335078 DOI: 10.1109/tnsre.2024.3363756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Previous studies have reported a role of alterations in the brain's inhibitory control mechanism in addiction. Mounting evidence from neuroimaging studies indicates that its key components can be evaluated with brain oscillations and connectivity during inhibitory control. In this study, we developed an internet-related stop-signal task with electroencephalography (EEG) signal recorded to investigate inhibitory control. Healthy controls and participants with Internet addiction were recruited to participate in the internet-related stop-signal task with 19-channel EEG signal recording, and the corresponding event-related potentials and spectral perturbations were analyzed. Brain effective connections were also evaluated using direct directed transfer function. The results showed that, relative to the healthy controls, participants with Internet addiction had increased Stop-P3 during inhibitory control, suggesting that they have an altered neural mechanism in impulsive control. Furthermore, participants with Internet addiction showed increased low-frequency synchronization and decreased alpha and beta desynchronization in the middle and right frontal regions compared to healthy controls. Aberrant brain effective connectivity was also observed, with increased occipital-parietal and intra-occipital connections, as well as decreased frontal-paracentral connection in participants with Internet addiction. These results suggest that physiological signals are essential in future implementations of cognitive assessment of Internet addiction to further investigate the underlying mechanisms and effective biomarkers.
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Wang Y, Qin Y, Li H, Yao D, Sun B, Gong J, Dai Y, Wen C, Zhang L, Zhang C, Luo C, Zhu T. Acupuncture modulates the functional connectivity among the subcortical nucleus and fronto-parietal network in adolescents with internet addiction. Brain Behav 2023; 13:e3241. [PMID: 37721727 PMCID: PMC10636388 DOI: 10.1002/brb3.3241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND Internet addiction (IA), recognized as a behavioral addiction, is emerging as a global public health problem. Acupuncture has been demonstrated to be effective in alleviating IA; however, the mechanism is not yet clear. To fill this knowledge gap, our study aimed to investigate the modulatory effects of acupuncture on the functional interactions among the addiction-related networks in adolescents with IA. METHODS Thirty individuals with IA and thirty age- and sex-matched healthy control subjects (HCs) were recruited. Subjects with IA were given a 40-day acupuncture treatment, and resting-state functional magnetic resonance imaging (fMRI) data were collected before and after acupuncture sessions. HCs received no treatment and underwent one fMRI scan after enrollment. The intergroup differences in functional connectivity (FC) among the subcortical nucleus (SN) and fronto-parietal network (FPN) were compared between HCs and subjects with IA at baseline. Then, the intragroup FC differences between the pre- and post-treatment were analyzed in the IA group. A multiple linear regression model was further employed to fit the FC changes to symptom relief in the IA group. RESULTS In comparison to HCs, subjects with IA exhibited significantly heightened FC within and between the SN and FPN at baseline. After 40 days of acupuncture treatment, the FC within the FPN and between the SN and FPN were significantly decreased in individuals with IA. Symptom improvement in subjects with IA was well fitted by the decrease in FC between the left midbrain and ventral prefrontal cortex and between the left thalamus and ventral anterior prefrontal cortex. CONCLUSION These findings confirmed the modulatory effects of acupuncture on the aberrant functional interactions among the SN and FPN, which may partly reflect the neurophysiological mechanism of acupuncture for IA.
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Affiliation(s)
- Yang Wang
- School of Sports Medicine and HealthChengdu Sport UniversityChengduChina
- Postdoctoral Workstation, Affiliated Sport Hospital of Chengdu Sport UniversityChengduChina
- School of Rehabilitation and Health PreservationChengdu University of TCMChengduChina
- College of Traditional Chinese MedicineChongqing Medical UniversityShapingbaChina
| | - Yun Qin
- Key Laboratory for NeuroInformation of Ministry of EducationUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Hui Li
- School of MedicineChengdu UniversityChengduChina
| | - Dezhong Yao
- Key Laboratory for NeuroInformation of Ministry of EducationUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Bo Sun
- Key Laboratory for NeuroInformation of Ministry of EducationUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Jinnan Gong
- Key Laboratory for NeuroInformation of Ministry of EducationUniversity of Electronic Science and Technology of ChinaChengduChina
- School of Computer ScienceChengdu University of Information TechnologyChengduChina
| | - Yu Dai
- Department of Chinese MedicineChengdu Eighth People's HospitalChengduChina
| | - Chao Wen
- Department of RehabilitationZigong Fifth People's HospitalZigongChina
| | - Lingrui Zhang
- Department of MedicineLeshan Vocational and Technical CollegeLeshanChina
| | - Chenchen Zhang
- Department of RehabilitationTCM Hospital of Longquanyi DistrictChengduChina
| | - Cheng Luo
- Key Laboratory for NeuroInformation of Ministry of EducationUniversity of Electronic Science and Technology of ChinaChengduChina
- Research Unit of NeuroInformationChinese Academy of Medical SciencesBeijingChina
| | - Tianmin Zhu
- School of Rehabilitation and Health PreservationChengdu University of TCMChengduChina
- Library, Chengdu University of TCMChengduChina
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Liu JL, Sun JT, Hu HL, Wang HY, Kang YX, Chen TQ, Chen ZH, Shang YX, Li YT, Hu B, Liu R. Structural and Functional Neural Alterations in Internet Addiction: A Study Protocol for Systematic Review and Meta-Analysis. Psychiatry Investig 2023; 20:69-74. [PMID: 36721888 PMCID: PMC9890045 DOI: 10.30773/pi.2021.0383] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 07/04/2022] [Indexed: 01/26/2023] Open
Abstract
A growing number of neuroimaging studies have revealed abnormal brain structural and functional alterations in subjects with internet addiction (IA), however, with conflicting conclusions. We plan to conduct a systematic review and meta-analysis on the studies of voxelbased morphometry (VBM) and resting-state functional connectivity (rsFC), to reach a consolidated conclusion and point out the future direction in this field. A comprehensive search of rsFC and VBM studies of IA will be conducted in the PubMed, Cochrane Library, and Web of Science databases to retrieve studies published from the inception dates to August 2021. If the extracted data are feasible, activation likelihood estimation and seed-based d mapping methods will be used to meta-analyze the brain structural and functional changes in IA patients. This study will hopefully reach a consolidated conclusion on the impact of IA on human brain or point out the future direction in this field.
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Affiliation(s)
- Jun-Li Liu
- Xi'an Technological University, Xi'an, China
| | - Jing-Ting Sun
- Shaanxi University of Chinese Medicine, Xianyang, China.,Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Hui-Lin Hu
- Arizona State University, Tempe, AZ, USA
| | | | - Yun-Xi Kang
- Xi'an Technological University, Xi'an, China
| | - Tian-Qi Chen
- Institution of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Zhu-Hong Chen
- Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yu-Xuan Shang
- Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yu-Ting Li
- Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Bo Hu
- Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Rui Liu
- Department of Rehabilitation, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
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EEG Signals Based Internet Addiction Diagnosis Using Convolutional Neural Networks. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12136297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Internet addiction (IA), as a new and often unrecognized psychosocial disorder, endangers people’s health and their lives. However, the common biometric analysis based on the combination of EEG signals and results of questionnaires is not quantitative, and thus difficult to ensure a specific biomarker. This work aims to develop a deep learning algorithm (no need to identify biomarkers) used for diagnosing IA and evaluating therapy efficacy. Herein, a five-layer CNN model combined with a fast Fourier transform is proposed to diagnose IA quantitatively. This algorithm is validated in the Lemon dataset by using it to process raw data, full spectral power, and alpha-beta-gamma spectral power (related to IA). In contrast to alpha-beta-gamma spectral power, the results based on full spectral power show better performance (87.59% accuracy, 88.80% sensitivity, and 86.41% specificity), which confirms that the proposed algorithm can diagnose IA without biomarkers. In addition, this proposed CNN model presents obvious advantages in processing raw data, achieving 81.1% accuracy. Such results verify that this method can contribute to the reduction of diagnosis time and be potentially used in real-time health monitoring systems. This work provides a quantitative approach to diagnose IA and evaluate therapy efficacy, as a general strategy, and can be widely used in other disorder diagnoses that affect EEG signals, such as psychiatric disorders, substance dependence, and depression.
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Lifestyle Variables Such as Daily Internet Use, as Promising Protective Factors against Cognitive Impairment in Patients with Subjective Memory Complaints. Preliminary Results. J Pers Med 2021; 11:jpm11121366. [PMID: 34945838 PMCID: PMC8708750 DOI: 10.3390/jpm11121366] [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: 11/07/2021] [Revised: 12/03/2021] [Accepted: 12/09/2021] [Indexed: 12/25/2022] Open
Abstract
Subjective memory complaints (SMCs) may be important markers in the prediction of cognitive deterioration. The aim of this study was to find associations between individual lifestyle factors, which may contribute to cognitive impairment (CI) in people with SMCs and to conduct a literature review on the relationship between internet use and CI in subjects over 50 years old, as a related factor. This was a case-controlled study that included 497 subjects aged over 50 years with SMCs who were recruited from 19 community pharmacies. Three screening tests were used to detect possible CIs, and individuals with at least one test result compatible with a CI were referred to primary care for evaluation. Having self-referred SMC increased the odds of obtaining scores compatible with CI and this factor was significantly related to having feelings of depression (OR = 2.24, 95% CI [1.34, 3.90]), taking anxiolytics or antidepressants (OR = 1.93, 95% CI [1.23, 3.05]), and being female (OR = 1.83, 95% CI [1.15, 2.88]). Thirty percent of our sample obtained scores compatible with CI. Age over 70 years increased the odds of obtaining scores compatible with CI. A high-level education, reading, and daily internet use were factors associated with a reduced risk of positive scores compatible with CI (37–91%, 7–18%, and 67–86%, respectively), while one extra hour television per day increased the risk by 8–30%. Among others, modifiable lifestyle factors such as reading, and daily internet usage may slow down cognitive decline in patients over 50 with SMCs. Four longitudinal studies and one quasi-experimental study found internet use to be beneficial against CI in patients over 50 years of age.
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