Name
Title | ||
|---|---|---|
Neural oscillations dissociate between self-related attentional orientation versus evaluation. |
Abstract | ||
|---|---|---|
To investigate whether self-reflection on personality traits engages distinct neural mechanisms of self-related attentional orientation and self-related evaluation, we recorded electroencephalograms from adults while they made trait judgments about themselves and an age- and gender-matched friend, or judgments of word valence. Each trial consisted of a cue word that indicated a target person for trait judgment or instructed valence judgment, followed by a trait adjective to be evaluated. Using a wavelet analysis, we calculated time–frequency power at each electrode and phase synchrony between electrode pairs associated with self-, friend- or valence-cues and with trait adjectives during trait or valence judgments. Relative to friend- and valence-cues, self-cues elicited increased synchronous activity in delta (2–4Hz), theta (5–7Hz), alpha (8–13Hz), beta (14–26Hz), and gamma (28–40Hz) bands, and increased large-scale phase synchrony in these frequency bands. Self-related evaluation compared to friend-related evaluation during trait judgments induced stronger desynchronization in alpha, beta and gamma band activities, and decreased phase synchrony in alpha and gamma band activities. Our findings suggest that self-related attentional orientation and self-related evaluation engage distinct neural mechanisms that are respectively characterized by synchrony and desynchrony of neural activity in local assemblies and between long-distance brain regions. |
Year | DOI | Venue |
|---|---|---|
2013 | 10.1016/j.neuroimage.2012.11.016 | NeuroImage |
Keywords | DocType | Volume |
EEG,Neural oscillation,Phase synchrony,Self-reflection,Trait judgment | Journal | 67 |
ISSN | Citations | PageRank |
1053-8119 | 0 | 0.34 |
References | Authors | |
10 | 2 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Yan Mu | 1 | 2 | 0.73 |
| Shihui Han | 2 | 132 | 18.96 |