Individual differences in self-reported reward-approach tendencies relate to resting-state and reward-task-based fMRI measures

Guangheng Dong; Hui Li; Yifan Wang; Marc N Potenza

doi:10.1016/j.ijpsycho.2018.03.014

Individual differences in self-reported reward-approach tendencies relate to resting-state and reward-task-based fMRI measures

Int J Psychophysiol. 2018 Jun:128:31-39. doi: 10.1016/j.ijpsycho.2018.03.014. Epub 2018 Mar 21.

Authors

Guangheng Dong¹, Hui Li², Yifan Wang², Marc N Potenza³

Affiliations

¹ Department of Psychology, Zhejiang Normal University, Jinhua, Zhejiang Province, PR China; Institute of Psychological and Brain Sciences, Zhejiang Normal University, Jinhua, Zhejiang Province, PR China. Electronic address: dongguangheng@zjnu.edu.cn.
² Department of Psychology, Zhejiang Normal University, Jinhua, Zhejiang Province, PR China.
³ Department of Psychiatry, Department of Neurobiology, Child Study Center, and the Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA. Electronic address: marc.potenza@yale.edu.

PMID: 29574232
DOI: 10.1016/j.ijpsycho.2018.03.014

Abstract

In this study, we investigated neural responses during resting-state and reward-task-based fMRI and how these related to individual differences in self-reported reward sensitivity. Resting-state fMRI data were collected from 191 college students, and 60 of these individuals further finished a reward-related fMRI task. Self-reported reward-approach tendencies were assessed using the behavioral activation scale. Behavioral activation scale scores were positively correlated with brain activations in the striatum bilaterally during reward processing. During rest, behavioral activation scale scores were positively correlated with functional connectivity between the left and right striatum and with functional connectivity between the right striatum and right middle frontal gyrus. Positive correlations were found between task-based striatal activations and the functional connectivity between the left and right striatum at rest. These results suggest a relationship between striatal task-based reward-related activations and resting connectivity strengths that relate to individual differences in reward-approach tendencies.

Keywords: Behavioral activation; Resting state; Reward sensitivity; Striatum; fMRI.

Publication types

Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't

MeSH terms

Adult
Connectome / methods*
Corpus Striatum / diagnostic imaging
Corpus Striatum / physiology*
Female
Humans
Individuality*
Magnetic Resonance Imaging
Male
Prefrontal Cortex / diagnostic imaging
Prefrontal Cortex / physiology*
Rest
Reward*
Self Report
Young Adult