期刊
SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE
卷 15, 期 4, 页码 395-404出版社
OXFORD UNIV PRESS
DOI: 10.1093/scan/nsaa046
关键词
dispositional hope; subjective well-being; structural magnetic resonance imaging; supplementary motor area; adolescent; psychoradiology; mental health
资金
- National Natural Science Foundation of China [31800963, 81621003, 81820108018]
- Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT) of China [IRT16R52]
- China Postdoctoral Science Foundation [2019 M653421]
- Postdoctoral Interdisciplinary Research Project of Sichuan University
- Changjiang Scholar Professorship Award of China [T2014190]
- American CMB Distinguished Professorship Award [F510000/G16916411]
There has been increasing interest in identifying factors to predict subjective well-being in the emerging field of positive psychology over the past two decades. Dispositional hope, which reflects one's goal-directed tendencies, including both pathway thinking (planning to meet goals) and agency thinking (goal-directed determination), has emerged as a stable predictor for subjective well-being. However, the neurobiological substrates of dispositional hope and the brain-hope mechanism for predicting subjective well-being remain unclear. Here, we examined these issues in 231 high school graduates within the same grade by estimating cortical gray matter volume (GMV) utilizing a voxel-based morphometry method based on structural magnetic resonance imaging. Whole-brain regression analyses and prediction analyses showed that higher dispositional hope was stably associated with greater GMV in the left supplementary motor area (SMA). Furthermore, mediation analyses revealed that dispositional hope mediated the relation between left SMA volume and subjective well-being. Critically, our results were obtained after adjusting for age, sex, family socioeconomic status and total GMV. Altogether, our study presents novel evidence for the neuroanatomical basis of dispositional hope and suggests an underlying indirect effect of dispositional hope on the link between brain gray matter structure and subjective well-being.
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