Small-worldness characteristics and its gender relation in specific hemispheric networks

•Graph theory approach as a way to quantify brain connectivity.•Gender small-worldness differences in EEG resting state networks.•Resting state networks: Attentional, Frontal, Sensorimotor, Default Mode Network. Aim of this study was to verify whether the topological organization of human brain func...

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Vydáno v:Neuroscience Ročník 310; s. 1 - 11
Hlavní autoři: Miraglia, F., Vecchio, F., Bramanti, P., Rossini, P.M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States Elsevier Ltd 03.12.2015
Témata:
Analysis of Variance
Attention - physiology
Brain Mapping
Case-Control Studies
Computer Graphics
EEG
Electroencephalography
Female
functional connectivity
Functional Laterality - physiology
gender
graph theory
Humans
Interpersonal Relations
Male
Middle Aged
Models, Neurological
Neural Pathways - physiology
Neurology
Rest - physiology
resting state
Sex Characteristics
small world networks
small world networks
DMN
SW
gender
graph theory
ICA
EEG
FN
RSN
AN
ROI
resting state
functional connectivity
ANOVA
SN
BA
Default Mode Network
resting state networks
Region of Interest
Attentional Networks
independent component analysis
small world
analysis of variance
Sensorimotor Network
Frontal Networks
Brodmann Areas
ISSN:0306-4522, 1873-7544
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Popis
Shrnutí:•Graph theory approach as a way to quantify brain connectivity.•Gender small-worldness differences in EEG resting state networks.•Resting state networks: Attentional, Frontal, Sensorimotor, Default Mode Network. Aim of this study was to verify whether the topological organization of human brain functional networks is different for males and females in resting state EEGs. Undirected and weighted brain networks were computed by eLORETA lagged linear connectivity in 130 subjects (59 males and 71 females) within each hemisphere and in four resting state networks (Attentional Network (AN), Frontal Network (FN), Sensorimotor Network (SN), Default Mode Network (DMN)). We found that small-world (SW) architecture in the left hemisphere Frontal network presented differences in both delta and alpha band, in particular lower values in delta and higher in alpha 2 in males respect to females while in the right hemisphere differences were found in lower values of SW in males respect to females in gamma Attentional, delta Sensorimotor and delta and gamma DMNs. Gender small-worldness differences in some of resting state networks indicated that there are specific brain differences in the EEG rhythms when the brain is in the resting-state condition. These specific regions could be considered related to the functions of behavior and cognition and should be taken into account both for research on healthy and brain diseased subjects.
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ISSN:0306-4522
1873-7544
DOI:10.1016/j.neuroscience.2015.09.028