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- W4387304848 abstract "Seeing an angry person in close physical proximity not only results in a larger retinal representation of that person, but may also increase motivation for rapid visual processing and action preparation. The present study investigated the effects of stimulus size and emotional expression on the perception of happy, angry, non-expressive, and scrambled faces. We analyzed event-related potentials (ERPs) and behavioral responses of N = 40 participants who performed a naturalness classification task on real or artificially created facial expressions. While the accuracy in recognizing artificial faces for emotional expressions was modulated by stimulus size, ERPs showed only additive effects of stimulus size and expression, but no interaction with size, in contrast to previous research on emotional scenes and words. Effects of size were present in all included ERPs, whereas emotional expressions affected the N170, EPN, and LPC, but not the P1, irrespective of size. The present results suggest that the decoding of emotional valence in faces can occur even for small stimuli. Supraadditive effects in faces may require larger size ranges or dynamic stimuli that increase arousal." @default.
- W4387304848 created "2023-10-04" @default.
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- W4387304848 date "2023-10-02" @default.
- W4387304848 modified "2023-10-05" @default.
- W4387304848 title "Additive effects of emotional expression and stimulus size on the perception of genuine and artificial facial expressions: An ERP study" @default.
- W4387304848 doi "https://doi.org/10.31234/osf.io/s8y6h" @default.
- W4387304848 hasPublicationYear "2023" @default.
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