Gender differences in brain regional homogeneity of healthy subjects after normal sleep and after sleep deprivation: A resting-state fMRI study

2012 ◽  
Vol 13 (6) ◽  
pp. 720-727 ◽  
Author(s):  
Xi-Jian Dai ◽  
Hong-Han Gong ◽  
Yi-Xiang Wang ◽  
Fu-Qing Zhou ◽  
You-Jiang Min ◽  
...  
Keyword(s):  
Gender Differences ◽  
Sleep Deprivation ◽  
Resting State ◽  
Healthy Subjects ◽  
Resting State Fmri ◽  
Regional Homogeneity ◽  
Fmri Study ◽  
Normal Sleep

Distinguishing hypochondriasis and schizophrenia using regional homogeneity: a resting-state fMRI study and support vector machine analysis

2021 ◽  
pp. 1-29
Author(s):  
Kangyu Jin ◽  
Zhe Shen ◽  
Guoxun Feng ◽  
Zhiyong Zhao ◽  
Jing Lu ◽  
...  
Keyword(s):  
Cognitive Function ◽  
Resting State ◽  
Parietal Lobe ◽  
Brain Activity ◽  
Resting State Fmri ◽  
Brain Regions ◽  
Regional Homogeneity ◽  
Middle Temporal Gyrus ◽  
Support Vector ◽  
Fmri Study

Abstract Objective: A few former studies suggested there are partial overlaps in abnormal brain structure and cognitive function between Hypochondriasis (HS) and schizophrenia (SZ). But their differences in brain activity and cognitive function were unclear. Methods: 21 HS patients, 23 SZ patients, and 24 healthy controls (HC) underwent Resting-state functional magnetic resonance imaging (rs-fMRI) with the regional homogeneity analysis (ReHo), subsequently exploring the relationship between ReHo value and cognitive functions. The support vector machines (SVM) were used on effectiveness evaluation of ReHo for differentiating HS from SZ. Results: Compared with HC, HS showed significantly increased ReHo values in right middle temporal gyrus (MTG), left inferior parietal lobe (IPL) and right fusiform gyrus (FG), while SZ showed increased ReHo in left insula, decreased ReHo values in right paracentral lobule. Additionally, HS showed significantly higher ReHo values in FG, MTG and left paracentral lobule but lower in insula than SZ. The higher ReHo values in insula were associated with worse performance in MCCB in HS group. SVM analysis showed a combination of the ReHo values in insula and FG was able to satisfactorily distinguish the HS and SZ patients. Conclusion: our results suggested the altered default mode network (DMN), of which abnormal spontaneous neural activity occurs in multiple brain regions, might play a key role in the pathogenesis of HS, and the resting-state alterations of insula closely related to cognitive dysfunction in HS. Furthermore, the combination of the ReHo in FG and insula was a relatively ideal indicator to distinguish HS from SZ.

Surface-based regional homogeneity in bipolar disorder: A resting-state fMRI study

2019 ◽  
Vol 278 ◽  
pp. 199-204
Author(s):  
Bo Zhang ◽  
Fei Wang ◽  
Hao-Ming Dong ◽  
Xiao-Wei Jiang ◽  
Sheng-Nan Wei ◽  
...  
Keyword(s):  
Bipolar Disorder ◽  
Resting State ◽  
Resting State Fmri ◽  
Regional Homogeneity ◽  
Fmri Study

Altered regional homogeneity in patients with ovarian cancer treated with chemotherapy: a resting state fMRI study

2021 ◽  
Author(s):  
Behroze A. Vachha ◽  
Suril Gohel ◽  
James C. Root ◽  
Maria Kryza-Lacombe ◽  
Martee L. Hensley ◽  
...  
Keyword(s):  
Ovarian Cancer ◽  
Resting State ◽  
Resting State Fmri ◽  
Regional Homogeneity ◽  
Fmri Study

Gender differences of amplitude of low-frequency fluctuations in bipolar disorder: A resting state fMRI study

2021 ◽  
Vol 280 ◽  
pp. 189-196
Author(s):  
Xuejun Jiang ◽  
Feng Wu ◽  
Yifan Zhang ◽  
Huizi Li ◽  
Jiahui Kang ◽  
...  
Keyword(s):  
Gender Differences ◽  
Bipolar Disorder ◽  
Resting State ◽  
Low Frequency ◽  
Resting State Fmri ◽  
Fmri Study ◽  
Frequency Fluctuations

Regional homogeneity changes in social anxiety disorder: A resting-state fMRI study

2011 ◽  
Vol 194 (1) ◽  
pp. 47-53 ◽  
Author(s):  
Changjian Qiu ◽  
Wei Liao ◽  
Jurong Ding ◽  
Yuan Feng ◽  
Chunyan Zhu ◽  
...  
Keyword(s):  
Anxiety Disorder ◽  
Social Anxiety ◽  
Social Anxiety Disorder ◽  
Resting State ◽  
Resting State Fmri ◽  
Regional Homogeneity ◽  
Fmri Study
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