@article{Bublatzky2009Concu-1395,
  year={2009},
  title={Concurrent modulation of the startle reflex by physical threat and affective pictures},
  number={Suppl. 1},
  volume={46},
  journal={Psychophysiology},
  author={Bublatzky, Florian and Guerra, Pedro and Pastor, M. Carmen and Schupp, Harald T. and Vila, Jaime}
}

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    <dcterms:title>Concurrent modulation of the startle reflex by physical threat and affective pictures</dcterms:title>
    <dc:contributor>Bublatzky, Florian</dc:contributor>
    <dc:creator>Schupp, Harald T.</dc:creator>
    <dcterms:issued>2009</dcterms:issued>
    <dc:creator>Bublatzky, Florian</dc:creator>
    <dc:contributor>Pastor, M. Carmen</dc:contributor>
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    <dc:contributor>Schupp, Harald T.</dc:contributor>
    <dc:creator>Vila, Jaime</dc:creator>
    <dcterms:abstract xml:lang="deu">A large body of evidence shows that viewing unpleasant compared with pleasant pictures potentiates the reflexive startle blink.Moreover, the threat of painful shocks also prompts heightened startle reflexes. Integrating both lines of research, the present study examined the interaction of threat of shock and affective picture processing. Specifically, pleasant, neutral and unpleasant pictures (each 4s) were presented as a continuous stream during alternating threat-of-shock and safety periods (each 72s), which were signaled by colored picture frames. Orbicularis EMG to auditory startle probes and electrodermal activity were recorded in 36 participants. Replicating previous findings regarding picture valence, startle reflexes were larger when viewing unpleasant compared to pleasant pictures. Similarly, instructed fear effects were replicated in that startle responses and electrodermal changes were larger during threat-of-shock than safety periods. However, of main interest, anticipating aversive events and viewing emotionally significant pictures additively modulated defensive activation. Specifically, despite overall potentiated startlemagnitude in threat-of-shock conditions, the defensive eyeblink reflex remained sensitive to hedonic picture valence. Overall, defensive activation by physical threat operated independently from reflex modulation by picture media.</dcterms:abstract>
    <dc:contributor>Vila, Jaime</dc:contributor>
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    <dc:creator>Guerra, Pedro</dc:creator>
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    <dc:contributor>Guerra, Pedro</dc:contributor>
    <dc:language>eng</dc:language>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-23T09:25:07Z</dc:date>
    <dcterms:bibliographicCitation>Psychophysiology ; 46 (2009), Suppl. 1. - S. S133</dcterms:bibliographicCitation>
    <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/1395"/>
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    <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-23T09:25:07Z</dcterms:available>
    <dc:creator>Pastor, M. Carmen</dc:creator>
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