Abstract：
:If it can be assumed that positive affect modulates cognitive control, the underlying mechanisms remain unclear. The main aim of this study was to investigate how positive affect influences proactive and reactive modes of control and to explore the temporal dynamic of this influence, in terms of its transient and/or sustained effects. We used the AX-continuous performance task, combined with event-related potentials (ERP) recording. The results showed that positive affect impaired proactive control. More specifically, response preparation was weaker, as highlighted by a decreased contingent negative variation (CNV), prior to the target. As a consequence, conflict detection, as reflected by the N2 component, was decreased under positive affect. The P3a, associated with conflict resolution, remained unaffected by positive emotion, suggesting a lack of reactive control modulation. These effects were diffuse and did not appear on a transient timescale, highlighting the importance of positive emotion's time course for how it influences cognitive control processes.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Chaillou AC,Giersch A,Hoonakker M,Capa RL,Doignon-Camus N,Pham BT,Bonnefond Adoi
10.1016/j.neuropsychologia.2018.04.021subject
Has Abstractpub_date
2018-06-01 00:00:00pages
110-117eissn
0028-3932issn
1873-3514pii
S0028-3932(18)30163-5journal_volume
114pub_type
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