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Author:

Hao, Siyao (Hao, Siyao.) | Duan, Ying (Duan, Ying.) | Qi, Lei (Qi, Lei.) | Li, Zhimei (Li, Zhimei.) | Ren, Jiechuan (Ren, Jiechuan.) | Nangale, Naluyele (Nangale, Naluyele.) | Yang, Chunlan (Yang, Chunlan.)

Indexed by:

Scopus SCIE

Abstract:

Background and Purpose Understanding the pathogenesis of temporal lobe epilepsy (TLE) is essential for its diagnosis and treatment. The study aimed to explore regional homogeneity (ReHo) and changes in effective connectivity (EC) between brain regions in TLE patients, hoping to discover potential abnormalities in certain brain regions in TLE patients. Methods Resting-state functional magnetic resonance data were collected from 23 TLE patients and 32 normal controls (NC). ReHo was used as a feature of multivariate pattern analysis (MVPA) to explore the ability of its alterations in identifying TLE. Based on the results of the MVPA, certain brain regions were selected as seed points to further explore alterations in EC between brain regions using Granger causality analysis. Results MVPA results showed that the classification accuracy for the TLE and NC groups was 87.27%, and the right posterior cerebellum lobe, right lingual gyrus (LING_R), right cuneus (CUN_R), and left superior temporal gyrus (STG_L) provided significant contributions. Moreover, the EC from STG_L to right fusiform gyrus (FFG_R) and LING_R and the EC from CUN_R to the right occipital superior gyrus (SOG_R) and right occipital middle gyrus (MOG_R) were altered compared to the NC group. Conclusion The MVPA results indicated that ReHo abnormalities in brain regions may be an important feature in the identification of TLE. The enhanced EC from STG_L to FFG_R and LING_R indicates a shift in language processing to the right hemisphere, and the weakened EC from SOG_R and MOG_R to CUN_R may reveal an underlying mechanism of TLE.

Keyword:

temporal lobe epilepsy regional homogeneity Granger causality analysis multivariate pattern analysis effective connectivity resting-state functional magnetic resonance imaging

Author Community:

  • [ 1 ] [Hao, Siyao]Beijing Univ Technol, Fac Life Sci & Bioengn, 100 PingLand, Beijing 100124, Peoples R China
  • [ 2 ] [Yang, Chunlan]Beijing Univ Technol, Fac Life Sci & Bioengn, 100 PingLand, Beijing 100124, Peoples R China
  • [ 3 ] [Duan, Ying]Beijing Universal Med Imaging Diagnost Ctr, Beijing, Peoples R China
  • [ 4 ] [Qi, Lei]Beijing Universal Med Imaging Diagnost Ctr, Beijing, Peoples R China
  • [ 5 ] [Li, Zhimei]Capital Med Univ, Beijing Tiantan Hosp, Beijing, Peoples R China
  • [ 6 ] [Ren, Jiechuan]Capital Med Univ, Beijing Tiantan Hosp, Beijing, Peoples R China
  • [ 7 ] [Nangale, Naluyele]Sterelin Med & Diagnost, Lusaka, Zambia

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Source :

JOURNAL OF NEUROIMAGING

ISSN: 1051-2284

Year: 2022

Issue: 5

Volume: 32

Page: 977-990

2 . 4

JCR@2022

2 . 4 0 0

JCR@2022

ESI Discipline: NEUROSCIENCE & BEHAVIOR;

ESI HC Threshold:37

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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