Previous literature has shown importance of positive traits to a spectrum of health outcomes, in particular to subjective well-being. General self-efficacy (GSE), a kind of motivational belief in competence with prospective and operative nature, is one such trait. Here, structural magnetic resonance imaging along with self-report tests were applied to investigate neural basis of GSE and the underlying neural mechanism of how GSE promotes subjective well-being during late adolescence. Our findings showed a positive link between GSE and the left lenticular nucleus volume and revealed a mediating role of GSE in the relation of lenticular nucleus volume with affective well-being.
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