Brain Structure Linking Delay Discounting and Academic Performance

Human Brain Mapping
Song WangQiyong Gong

Abstract

As a component of self-discipline, delay discounting refers to the ability to wait longer for preferred rewards and plays a pivotal role in shaping students' academic performance. However, the neural basis of the association between delay discounting and academic performance remains largely unknown. Here, we examined the neuroanatomical substrates underlying delay discounting and academic performance in 214 adolescents via voxel-based morphometry (VBM) by performing structural magnetic resonance imaging (S-MRI). Behaviorally, we confirmed the significant correlation between delay discounting and academic performance. Neurally, whole-brain regression analyses indicated that regional gray matter volume (rGMV) of the left dorsolateral prefrontal cortex (DLPFC) was associated with both delay discounting and academic performance. Furthermore, delay discounting partly accounted for the association between academic performance and brain structure. Differences in the rGMV of the left DLPFC related to academic performance explained over one-third of the impact of delay discounting on academic performance. Overall, these results provide the first evidence for the common neural basis linking delay discounting and academic performance. Hum...Continue Reading

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Citations

Feb 13, 2019·Social Cognitive and Affective Neuroscience·Jesús Adrián-VenturaCésar Ávila
Aug 23, 2019·Scientific Reports·Song WangQiyong Gong
Aug 19, 2020·BMC Psychology·Norito KawakamiSaori C Tanaka
Mar 5, 2020·Brain Imaging and Behavior·Vincenzo AlfanoCarlo Cavaliere

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