Beta oscillations and reward processing: Coupling oscillatory activity and hemodynamic responses

被引：63

作者：

Mas-Herrero, Ernest ^{[1
]}

Ripolles, Pablo ^{[1
,2
]}

HajiHosseini, Azadeh ^{[3
]}

Rodriguez-Fornells, Antoni ^{[1
,4
]}

Marco-Pallares, Josep ^{[1
]}

机构：

[1] IDIBELL, Bellvitge Biomed Res Inst, Cognit & Brain Plast Grp, Barcelona 08097, Spain

[2] Univ Barcelona, Dept Basic Psychol, Barcelona 08097, Spain

[3] Univ Victoria, Dept Psychol, Victoria, BC V8W 2Y2, Canada

[4] ICREA, Catalan Inst Res & Adv Studies, Barcelona 08010, Spain

来源：

NEUROIMAGE | 2015年 / 119卷

关键词：

Reward; Beta oscillations; fMRI; Time-frequency; JointICA; DECISION-MAKING; FRONTAL THETA; LOSS AVERSION; EEG-FMRI; DOPAMINE; HIPPOCAMPUS; ACTIVATION; BRAIN; CONNECTIVITY; ANTICIPATION;

D O I：

10.1016/j.neuroimage.2015.05.095

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Diverse cortical and subcortical regions are synergically engaged during reward processing. Previous studies using time-frequency decomposition of Electroencephalography (EEG) data have revealed an increase of midfrontal beta oscillatory activity (BOA) after reward delivery, which could be a potential mechanism in the coordination of the different areas engaged during reward processing. In order to evaluate this hypothesis, twenty subjects performed a monetary gambling paradigm in two separate sessions (EEG and fMRI). Time-frequency oscillatory EEG data and fMRI activity were fused using Joint Independent Component Analysis (ICA). The present results showed that mid-frontal BOA elicited by monetary gains is associated with the engagement of a fronto-striatal-hippocampal network previously involved in reward-related memory enhancement, supporting the role of this activity during reward processing. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：13 / 19

页数：7

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