Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 36, Issue 3, Pages 1043-1059Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2011.12.013
Keywords
dACC; vACC; Anterior insula; Self-referencing; Self-specificity; Self-relatedness; ALE analysis
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Funding
- Swiss National Science Foundation [100014-135311/1]
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In functional neuroimaging studies, self-specificity has been investigated by contrasting other-relevant processing against the self. Our meta-analysis investigates self-specificity with respect to degrees of selfrelatedness (SR) of the other (i.e. close and public other). Literature suggests a dorsal-ventral component of self- and other-reflection within the MPFC, which has yet to be analyzed according to varying SR, nor has it been quantified statistically. In the present meta-analysis, we pursued three main objectives. First, we conducted whole-brain ALE meta-analyses using contemporary literature analyzing self> close other and self> public other contrasts to determine self-specific regions sensitive to SR. Next, we conducted ALE and conjunction analyses of studies employing self> control, close other> control, or public other> control contrasts to determine shared regions of activation. Third, we conducted post hoc analyses to quantify any observed dorsal-ventral distinction, employing novel methodology using a surface-based coordinates system. We observed significant activation in the dACC and vACC for self> close other and self> public other, whereas anterior insula was observed only for self> public other. An MPFC dorsal-ventral distinction was observed and quantified whereby public other> control was significantly more dorsal than self> control and close other> control. Our results are discussed with regards to SR. Prospective avenues of research exploiting our methodology are proposed. (C) 2011 Elsevier Ltd. All rights reserved.
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