@article{Bublatzky2013Addit-21483,
  year={2013},
  doi={10.1371/journal.pone.0054003},
  title={Additive effects of threat-of-shock and picture valence on startle reflex modulation},
  number={1},
  volume={8},
  journal={PLoS ONE},
  author={Bublatzky, Florian and Guerra, Pedro M. and Pastor, Maria Carmen and Schupp, Harald T. and Vila, Jaime},
  note={Article Number: e54003}
}

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    <dc:contributor>Bublatzky, Florian</dc:contributor>
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    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-02-12T12:26:44Z</dc:date>
    <dc:contributor>Schupp, Harald T.</dc:contributor>
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    <dcterms:bibliographicCitation>PLoS ONE ; 8 (2013), 1. - e54003</dcterms:bibliographicCitation>
    <dc:contributor>Vila, Jaime</dc:contributor>
    <dc:creator>Guerra, Pedro M.</dc:creator>
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    <dcterms:abstract>The present study examined the effects of sustained anticipatory anxiety on the affective modulation of the eyeblink startle reflex. Towards this end, pleasant, neutral and unpleasant pictures were presented as a continuous stream during alternating threat-of-shock and safety periods, which were cued by colored picture frames. Orbicularis-EMG to auditory startle probes and electrodermal activity were recorded. Previous findings regarding affective picture valence and threat-of-shock modulation were replicated. Of main interest, anticipating aversive events and viewing affective pictures additively modulated defensive activation. Specifically, despite overall potentiated startle blink magnitude in threat-of-shock conditions, the startle reflex remained sensitive to hedonic picture valence. Finally, skin conductance level revealed sustained sympathetic activation throughout the entire experiment during threat- compared to safety-periods. Overall, defensive activation by physical threat appears to operate independently from reflex modulation by picture media. The present data confirms the importance of simultaneously manipulating phasic-fear and sustained-anxiety in studying both normal and abnormal anxiety.</dcterms:abstract>
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    <dcterms:title>Additive effects of threat-of-shock and picture valence on startle reflex modulation</dcterms:title>
    <dcterms:issued>2013</dcterms:issued>
    <dc:language>eng</dc:language>
    <dc:contributor>Pastor, Maria Carmen</dc:contributor>
    <dc:contributor>Guerra, Pedro M.</dc:contributor>
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    <dc:creator>Vila, Jaime</dc:creator>
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