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Neuropathological characteristics of abnormal white matter functional signaling in adolescents with major depression

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World Journal of Psychiatry 2024年第2期14卷 276-286页

作者： Xin-Lin Huang Ju Gao Yong-Ming Wang Feng Zhu Jing Qin Qian-Nan Yao Xiao-Bin Zhang Hong-Yan Sun Imaging and Nuclear Medicine Jiamusi UniversityJiamusi 154000Heilongjiang ProvinceChina Department of Psychiatry The Affiliated Guangji Hospital of Soochow UniversitySuzhou 215137Jiangsu ProvinceChina School of Biology&Basic Medical Sciences Medical College of Soochow UniversitySuzhou 215137Jiangsu ProvinceChina Department of Radiology Shanghai Anting HospitalShanghai 20000China Department of Radiology The Affiliated Guangji Hospital of Soochow UniversitySuzhou 215137Jiangsu ProvinceChina

BACKGROUND major depression disorder(MDD)constitutes a significant mental health *** surveys indicate that the lifetime prevalence of depression in adolescents is much higher than that in adults,with a corresponding increased risk of *** studying brain dysfunction associated with MDD in adolescents,research on brain white matter(WM)is *** researchers even mistakenly regard the signals generated by the WM as noise *** fact,studies have shown that WM exhibits similar blood oxygen level-dependent signal *** alterations in WM signals and their relationship with disease severity in adolescents with MDD remain *** To explore potential abnormalities in WM functional signals in adolescents with *** This study involved 48 adolescent patients with MDD and 31 healthy controls(HC).All participants were assessed using the Patient Health Questionnaire-9 Scale and the mini international neuropsychiatric interview(MINI)suicide *** addition,a Siemens Skyra 3.0T magnetic resonance scanner was used to obtain the subjects'image *** DPABI software was utilized to calculate the WM signal of the fractional amplitude of low frequency fluctuations(fALFF)and regional homogeneity,followed by a two-sample t-test between the MDD and HC *** component analysis(ICA)was also used to evaluate the WM functional ***’s correlation was performed to assess the relationship between statistical test results and clinical *** Compared to HC,individuals with MDD demonstrated a decrease in the fALFF of WM in the corpus callosum body,left posterior limb of the internal capsule,right superior corona radiata,and bilateral posterior corona radiata[P<0.001,family-wise error(FWE)voxel correction].The regional homogeneity of WM increased in the right posterior limb of internal capsule and left superior corona radiata,and decreased in the left superior longitudinal fasciculus(P<0.001,FWE voxel corre

关键词： White matter Regional homogeneity The fractional amplitude of low-frequency fluctuations Independent component analysis Adolescents major depression disorders

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