Article,

The common neural basis of autobiographical memory, prospection, navigation, theory of mind and the default mode: a quantitative meta-analysis

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Journal of Cognitive Neuroscience, (2008)

Abstract

A core brain network has been proposed to underlie a number of different processes, including remembering, prospection, navigation and theory-of-mind (Buckner RL, Carroll DC. 2007. Trends in Cognitive Sciences, 11: 49–57). This purported network—medial prefrontal, medial temporal, and medial and lateral parietal regions—is similar to that observed during default-mode processing and has been argued to represent self projection (Buckner & Carroll, 2007) or scene-construction (Hassabis D. Maguire EA. 2007. Trends in Cognitive Sciences, 11: 299-306). To date, no systematic and quantitative demonstration of evidence for this common network has been presented. Using the activation likelihood estimation (ALE) approach, we conducted four separate quantitative meta-analyses of neuroimaging studies on: (a) autobiographical memory, (b) navigation, (c) theory-of-mind, and (d) default mode. A conjunction analysis between these domains demonstrated a high degree of correspondence. We compared these findings to a separate ALE analysis of prospection studies and found additional correspondence. Across all domains, and consistent with the proposed network, correspondence was found within the medial temporal lobe, precuneus, posterior cingulate, retrosplenial cortex and the temporoparietal junction. Additionally, this study revealed that the core network extends to lateral prefrontal and occipital cortices. Autobiographical memory, prospection, theory-of-mind and default mode demonstrated further reliable involvement of the medial prefrontal cortex and lateral temporal cortices. Autobiographical memory and theory-of-mind, previously studied as distinct, exhibited the most extensive functional overlap. These findings represent quantitative evidence for a core network underlying a variety of cognitive domains.

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