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- W3136244211 endingPage "105708" @default.
- W3136244211 startingPage "105708" @default.
- W3136244211 abstract "Emotions were recently reconsidered as predictions, constructed by the brain (generation stage) to prearrange action (implementation stage), and update internal models according to incoming stimuli (updating stage). However, it is unclear how emotional predictions are shaped by stimuli predictability. This study investigated the role of stimuli predictability on emotional predictions through high-density EEG. Twenty-six undergraduates underwent a S1-S2 paradigm, with emotional faces as S1s and emotional pictures as S2s. Stimuli predictability was manipulated across three blocks, in which S1 valence was predictive of S2 in the 100%, 75%, or 50% of trials. ERPs and brain sources were analyzed for each stage. During prediction generation, a larger N170/superior temporal sulcus activity emerged to fearful faces in blocks with full (100%) and medium (75%) predictive ratios. During implementation, the random block (50%) elicited a valence-independent pre-allocation of resources, reflected by a larger CNV and activation of a wide left network. In the updating stage, emotional pictures always elicited a larger LPP, while a larger P2 to neutral stimuli and a higher activity of the orbitofrontal cortex signaled early valence-dependent and late block-dependent prediction errors. These findings provide the first evidence of how stimuli predictability shape each neurocomputational stage of emotional predictions construction." @default.
- W3136244211 created "2021-03-29" @default.
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- W3136244211 date "2021-06-01" @default.
- W3136244211 modified "2023-09-25" @default.
- W3136244211 title "What’s next? Neural correlates of emotional predictions: A high-density EEG investigation" @default.
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- W3136244211 doi "https://doi.org/10.1016/j.bandc.2021.105708" @default.
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- W3136244211 hasPublicationYear "2021" @default.
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