Within‐network brain connectivity during a social optimism task is related to personal optimism and optimism for in‐group members

Author:

Moser Dominik Andreas12ORCID,Dricu Mihai1,Kotikalapudi Raviteja13ORCID,Doucet Gaelle Eve4,Aue Tatjana1ORCID

Affiliation:

1. Institute of Psychology University of Bern Bern Switzerland

2. Child and Adolescent Psychiatry University Hospital Lausanne Lausanne Switzerland

3. Department of Neurology University Hospital Essen Essen Germany

4. Institute for Human Neuroscience Boys Town National Research Hospital Omaha Nebraska USA

Abstract

AbstractOptimism bias is the tendency to believe desirable events are more likely to happen than undesirable ones. People often display optimistic biases for themselves (personal optimism), but also for members of groups they like or identify with (social optimism). However, the neural bases of and connections between these two concepts are poorly understood. The present study hence used both questionnaires and a social optimism task performed during magnetic resonance imaging to investigate how network connectivity associates with personal and social optimism biases. Using sparse canonical correlation analysis, we found that a behavioral dimension that included both in‐group optimism bias and personal optimism bias was positively associated with a dimension of network connectivity. This dimension comprised two networks with positive weights (dorsal precuneus‐related default mode network and dorsal sensorimotor network), and three with negative weights (including parts of the salience and central executive networks). Our findings indicate that connectivity in networks adjacent to the temporoparietal junction favors propagation of both personal and social optimism biases. Meanwhile, low connectivity in more frontal networks associated with more complex cognition may also further such propagation.

Funder

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

National Institute of General Medical Sciences

Publisher

Wiley

Subject

Neurology (clinical),Neurology,Radiology, Nuclear Medicine and imaging,Radiological and Ultrasound Technology,Anatomy

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