Abstract：
: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 mid-frontal 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.
journal_name
Neuroimagejournal_title
NeuroImageauthors
Mas-Herrero E,Ripollés P,HajiHosseini A,Rodríguez-Fornells A,Marco-Pallarés Jdoi
10.1016/j.neuroimage.2015.05.095subject
Has Abstractpub_date
2015-10-01 00:00:00pages
13-9eissn
1053-8119issn
1095-9572pii
S1053-8119(15)00520-0journal_volume
119pub_type
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