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

Robert Seymour, Hongfang Wang, Georgina M Rippon, Klaus Kessler

Research output: Contribution to journalArticle

Abstract

Mentally imagining another's perspective is a high-level social process, reliant on manipulating internal representations of the self in an embodied manner. Recently Wang et al. (2016) showed that theta-band (3–7 Hz) brain oscillations within the right temporo-parietal junction (rTPJ) and brain regions coding for motor/body schema contribute to the process of perspective-taking. Using a similar paradigm, we set out to unravel the extended functional brain network in detail. Increasing the angle between self and other perspective was accompanied by longer reaction times and increases in theta power within rTPJ, right lateral prefrontal cortex (PFC) and right anterior cingulate cortex (ACC). Using Granger-causality, we showed that lateral PFC and ACC exert top-down influence over rTPJ, indicative of executive control processes required for managing conflicts between self and other perspectives. Finally, we quantified patterns of whole-brain phase coupling in relation to the rTPJ. Results suggest that rTPJ increases its theta-band phase synchrony with brain regions involved in mentalizing and regions coding for motor/body schema; whilst decreasing synchrony to visual regions. Implications for neurocognitive models are discussed, and it is proposed that rTPJ acts as a ‘hub’ to route bottom-up visual information to internal representations of the self during perspective-taking, co-ordinated by theta-band oscillations.
LanguageEnglish
Pages98-107
JournalNeuroimage
Volume177
Early online date7 May 2018
DOIs
Publication statusE-pub ahead of print - 7 May 2018

Fingerprint

Ego
Brain
Body Image
Gyrus Cinguli
Prefrontal Cortex
Theory of Mind
Executive Function
Causality

Bibliographical note

© 2018, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • Perspective taking
  • Social cognition
  • MEG
  • Theta
  • Oscillations
  • Synchrony

Cite this

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title = "Oscillatory networks of high-level mental alignment:: A perspective-taking MEG study",
abstract = "Mentally imagining another's perspective is a high-level social process, reliant on manipulating internal representations of the self in an embodied manner. Recently Wang et al. (2016) showed that theta-band (3–7 Hz) brain oscillations within the right temporo-parietal junction (rTPJ) and brain regions coding for motor/body schema contribute to the process of perspective-taking. Using a similar paradigm, we set out to unravel the extended functional brain network in detail. Increasing the angle between self and other perspective was accompanied by longer reaction times and increases in theta power within rTPJ, right lateral prefrontal cortex (PFC) and right anterior cingulate cortex (ACC). Using Granger-causality, we showed that lateral PFC and ACC exert top-down influence over rTPJ, indicative of executive control processes required for managing conflicts between self and other perspectives. Finally, we quantified patterns of whole-brain phase coupling in relation to the rTPJ. Results suggest that rTPJ increases its theta-band phase synchrony with brain regions involved in mentalizing and regions coding for motor/body schema; whilst decreasing synchrony to visual regions. Implications for neurocognitive models are discussed, and it is proposed that rTPJ acts as a ‘hub’ to route bottom-up visual information to internal representations of the self during perspective-taking, co-ordinated by theta-band oscillations.",
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Oscillatory networks of high-level mental alignment: A perspective-taking MEG study. / Seymour, Robert; Wang, Hongfang; Rippon, Georgina M; Kessler, Klaus.

In: Neuroimage, Vol. 177, 07.05.2018, p. 98-107.

Research output: Contribution to journalArticle

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AU - Seymour, Robert

AU - Wang, Hongfang

AU - Rippon, Georgina M

AU - Kessler, Klaus

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Y1 - 2018/5/7

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