Perception of danger signals: the role of control.
Identifieur interne : 000751 ( PubMed/Corpus ); précédent : 000750; suivant : 000752Perception of danger signals: the role of control.
Auteurs : Jochen Brandtst Dter ; Andreas Voss ; Klaus RothermundSource :
- Experimental psychology [ 1618-3169 ] ; 2004.
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Abstract
How does the perceptual system process stimuli that signal aversive outcomes or dangers? Considering the functional links between perception, attention, and action regulation, we posit that when people can avoid the aversive consequences, sensitivity of the perceptual system to danger signals should be enhanced, whereas it should be reduced when there is no such option. To test this prediction, we used a search task in which tachistoscopically presented conjunctions of features had to be detected. Parameters of sensitivity and response bias were analyzed drawing on procedures from signal detection theory. Although the experimental procedure rewarded correct responses, the predicted asymmetry emerged. For stimuli that were linked to a negative consequence (loss of points in the experimental game), perceptual sensitivity was enhanced when participants had the opportunity to neutralize the loss in a second task; an opposite pattern emerged when they had no such opportunity.
DOI: 10.1027/1618-3169.51.1.24
PubMed: 14959503
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Considering the functional links between perception, attention, and action regulation, we posit that when people can avoid the aversive consequences, sensitivity of the perceptual system to danger signals should be enhanced, whereas it should be reduced when there is no such option. To test this prediction, we used a search task in which tachistoscopically presented conjunctions of features had to be detected. Parameters of sensitivity and response bias were analyzed drawing on procedures from signal detection theory. Although the experimental procedure rewarded correct responses, the predicted asymmetry emerged. For stimuli that were linked to a negative consequence (loss of points in the experimental game), perceptual sensitivity was enhanced when participants had the opportunity to neutralize the loss in a second task; an opposite pattern emerged when they had no such opportunity.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">14959503</PMID><DateCreated><Year>2004</Year><Month>02</Month><Day>12</Day></DateCreated><DateCompleted><Year>2004</Year><Month>03</Month><Day>11</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>07</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1618-3169</ISSN><JournalIssue CitedMedium="Print"><Volume>51</Volume><Issue>1</Issue><PubDate><Year>2004</Year></PubDate></JournalIssue><Title>Experimental psychology</Title><ISOAbbreviation>Exp Psychol</ISOAbbreviation></Journal><ArticleTitle>Perception of danger signals: the role of control.</ArticleTitle><Pagination><MedlinePgn>24-32</MedlinePgn></Pagination><Abstract><AbstractText>How does the perceptual system process stimuli that signal aversive outcomes or dangers? Considering the functional links between perception, attention, and action regulation, we posit that when people can avoid the aversive consequences, sensitivity of the perceptual system to danger signals should be enhanced, whereas it should be reduced when there is no such option. To test this prediction, we used a search task in which tachistoscopically presented conjunctions of features had to be detected. Parameters of sensitivity and response bias were analyzed drawing on procedures from signal detection theory. Although the experimental procedure rewarded correct responses, the predicted asymmetry emerged. 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