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    Early emotion word processing: evidence from event-related potentials

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    Authors
    Scott, Graham G.
    O'Donnell, Patrick J.
    Leuthold, Hartmut
    Sereno, Sara C.
    Affiliation
    University of Glasgow
    Issue Date
    2009-01
    Subjects
    decision making
    emotional content
    emotion words
    event-related potentials
    ERPs
    lexical access
    word frequency
    early posterior negativity
    lexical decision
    
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    Abstract
    Behavioral and electrophysiological responses were monitored to 80 controlled sets of emotionally positive, negative, and neutral words presented randomly in a lexical decision paradigm. Half of the words were low frequency and half were high frequency. Behavioral results showed significant effects of frequency and emotion as well as an interaction. Prior research has demonstrated sensitivity to lexical processing in the N1 component of the event-related brain potential (ERP). In this study, the N1 (135-180 ms) showed a significant emotion by frequency interaction. The P1 window (80-120 ms) preceding the N1 as well as post-N1 time windows, including the Early Posterior Negativity (200-300 ms) and P300 (300-450 ms), were examined. The ERP data suggest an early identification of the emotional tone of words leading to differential processing. Specifically, high frequency negative words seem to attract additional cognitive resources. The overall pattern of results is consistent with a time line of word recognition in which semantic analysis, including the evaluation of emotional quality, occurs at an early, lexical stage of processing.
    Citation
    Scott, G.G., et al (2009) 'Early emotion word processing: evidence from event-related potentials' Biological Psychology, 80(1)pp.95-104.
    Publisher
    Elsevier
    Journal
    Biological psychology
    URI
    http://hdl.handle.net/10547/235392
    DOI
    10.1016/j.biopsycho.2008.03.010
    PubMed ID
    18440691
    Additional Links
    https://www.sciencedirect.com/science/article/pii/S0301051108000732
    Language
    en
    ISSN
    1873-6246
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.biopsycho.2008.03.010
    Scopus Count
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    Research Centre for Applied Psychology

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