Oscillatory networks of high-level mental alignment: A perspective-taking MEG study

Area of Science:

• Neuroscience
• Cognitive Science
• Social Cognition

Background:

• Perspective-taking relies on internal self-representation manipulation.
• Previous research linked theta-band oscillations in the right temporo-parietal junction (rTPJ) and motor regions to perspective-taking.

Purpose of the Study:

• To detail the extended functional brain network involved in perspective-taking.
• To investigate the role of theta-band oscillations and neural interactions in self-other perspective management.

Main Methods:

• Utilized a perspective-taking paradigm similar to Wang et al. (2016).
• Measured reaction times and theta power in specific brain regions (rTPJ, PFC, ACC).
• Employed Granger-causality to assess top-down influences and quantified whole-brain phase coupling with rTPJ.

Main Results:

• Increased perspective-taking difficulty correlated with longer reaction times and heightened theta power in rTPJ, right lateral PFC, and ACC.
• Lateral PFC and ACC demonstrated top-down control over rTPJ, suggesting executive conflict management.
• rTPJ showed increased theta-band phase synchrony with mentalizing and motor regions, while decreasing synchrony with visual areas.

Conclusions:

• The right temporo-parietal junction (rTPJ) functions as a central hub in perspective-taking.
• Theta-band oscillations coordinate the routing of visual information to internal self-representations.
• Findings contribute to neurocognitive models of social cognition and embodied perspective-taking.