Abstract
We investigate whether the small-world topology of a functional brain network means high information processing efficiency by calculating the correlation between the small-world measures of a functional brain network and behavioral reaction during an imagery task. Functional brain networks are constructed by multichannel event-related potential data, in which the electrodes are the nodes and the functional connectivities between them are the edges. The results show that the correlation between small-world measures and reaction time is task-specific, such that in global imagery, there is a positive correlation between the clustering coefficient and reaction time, while in local imagery the average path length is positively correlated with the reaction time. This suggests that the efficiency of a functional brain network is task-dependent.
Original language | English (US) |
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Article number | 048702 |
Journal | Chinese Physics Letters |
Volume | 29 |
Issue number | 4 |
DOIs | |
State | Published - Apr 2012 |
Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy