Abnormal Regional Neural Activity and Reorganized Neural Network in Obesity: Evidence from Resting-State fMRI.
Peng Zhang, Guo-Wei Wu, Feng-Xia Yu, Yang Liu, Meng-Yi Li, Zheng Wang, He-Yu Ding, Xiao-Shuai Li, Hao Wang, Mei Jin, Zheng-Yu Zhang, Peng-Fei Zhao, Jing Li, Zheng-Han Yang, Han Lv, Zhong-Tao Zhang, Zhen-Chang Wang
Author Information
Peng Zhang: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Guo-Wei Wu: School of Language Science and Art, Jiang Su Normal University, Xuzhou, China.
Feng-Xia Yu: Medical Imaging Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China.
Yang Liu: Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing, China.
Meng-Yi Li: Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing, China.
Zheng Wang: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
He-Yu Ding: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Xiao-Shuai Li: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Hao Wang: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Mei Jin: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Zheng-Yu Zhang: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Peng-Fei Zhao: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Jing Li: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Zheng-Han Yang: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Han Lv: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China. ORCID
Zhong-Tao Zhang: Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing, China. ORCID
Zhen-Chang Wang: Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China. ORCID
OBJECTIVE: This study aimed to investigate regional neural activity and regulation of patterns in the reorganized neural network of obesity and explore the correlation between brain activities and eating behavior. METHODS: A total of 23 individuals with obesity and 23 controls with normal weight were enrolled. Functional magnetic resonance imaging (fMRI) data were acquired using 3.0-T MRI. Amplitude of low-frequency fluctuation and functional connectivity (FC) analyses were conducted using Data Processing Assistant for resting-state fMRI and Resting-State fMRI Data Analysis Toolkit (REST). RESULTS: The group with obesity showed increased amplitude of low-frequency values in left fusiform gyrus/amygdala, inferior temporal gyrus (ITG), hippocampus/parahippocampal gyrus, and bilateral caudate but decreased values in right superior temporal gyrus. The group with obesity showed increased FC between left caudate and right superior temporal gyrus, left fusiform gyrus/amygdala and left ITG, right caudate and left fusiform gyrus/amygdala, and right caudate and left hippocampus/parahippocampal gyrus. Dutch Eating Behavior Questionnaire-Emotional scores were positively correlated with FC between left hippocampus/parahippocampal gyrus and right caudate but negatively correlated with FC between left fusiform gyrus/amygdala and left ITG. CONCLUSIONS: The study indicated the reorganized neural network presented as a bilateral cross-regulation pattern across hemispheres between reward and various appetite-related functional processing, thus affecting emotional and external eating behavior. These results could provide further evidence for neuropsychological underpinnings of food intake and their neuromodulatory therapeutic potential in obesity.
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Grants
[2015] 160/Beijing Scholars Program
PX2018001/Beijing Municipal Administration of Hospitals
QML20180103/Beijing Municipal Administration of Hospitals
61527807/National Natural Science Foundation of China
61801311/National Natural Science Foundation of China
81701644/National Natural Science Foundation of China
YYZZ2017B01/seed project
YYZZ201917/seed project
SML20150101/Beijing Municipal Administration of Hospital' Mission Plan
7162048/Natural Science Foundation of Beijing Municipality
7172064/Natural Science Foundation of Beijing Municipality
7182044/Natural Science Foundation of Beijing Municipality