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• W2896633198 abstract "EEG studies suggest that the emotional content of visual stimuli is processed rapidly. In particular, the C1 component, which occurs up to 100 ms after stimulus onset and likely reflects activity in primary visual cortex V1, has been reported to be sensitive to emotional faces. However, difficulties replicating these results have been reported. We hypothesized that the nature of the task and attentional condition are key to reconcile the conflicting findings. We report three experiments of EEG activity during the C1 time range elicited by peripherally presented neutral and fearful faces under various attentional conditions: the faces were spatially attended or unattended and were either task-relevant or not. Using traditional event-related potential analysis, we found that the early activity changed depending on facial expression, attentional condition, and task. In addition, we trained classifiers to discriminate the different conditions from the EEG signals. Although the classifiers were not able to discriminate between facial expressions in any condition, they uncovered differences between spatially attended and unattended faces but solely when these were task-irrelevant. In addition, this effect was only present for neutral faces. Our study provides further indication that attention and task are key parameters when measuring early differences between emotional and neutral visual stimuli." @default.
• W2896633198 created "2018-10-26" @default.
• W2896633198 creator A5030908284 @default.
• W2896633198 creator A5053549481 @default.
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• W2896633198 date "2018-10-17" @default.
• W2896633198 modified "2023-10-17" @default.
• W2896633198 title "Spatial attention affects the early processing of neutral versus fearful faces when they are task-irrelevant: a classifier study of the EEG C1 component" @default.
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• W2896633198 doi "https://doi.org/10.3758/s13415-018-00650-7" @default.
• W2896633198 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30341623" @default.
• W2896633198 hasPublicationYear "2018" @default.
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