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Journal Article

Citation

Lipp OV, Cronin SL, Alhadad SS, Luck CC. Psychophysiology 2015; 52(11): 1520-1528.

Affiliation

ARC-SRI: Science of Learning Research Centre, Brisbane, Australia.

Copyright

(Copyright © 2015, Society for Psychophysiological Research, Publisher John Wiley and Sons)

DOI

10.1111/psyp.12513

PMID

26283264

Abstract

Selective sensitization has been proposed as an alternative explanation for enhanced responding to animal fear-relevant stimuli-snakes and spiders-during extinction of Pavlovian fear conditioning. The current study sought to replicate the phenomenon using a shock workup procedure as the sensitizing manipulation and to extend it to interpersonal and intergroup fear-relevant stimuli-angry faces and other-race faces. Assessment of selective sensitization was followed by a one-trial fear learning procedure. Selective sensitization, larger electrodermal responses to fear-relevant than to control stimuli after sensitization, or a larger increase in electrodermal responding to fear-relevant than to control stimuli after sensitization was observed across stimulus domains. However, the one-trial fear learning procedure failed to provide evidence for enhanced fear conditioning to fear-relevant stimuli. One-trial fear learning was either absent or present for fear-relevant and nonfear-relevant stimuli. The current study confirms that electrodermal responses to fear-relevant stimuli across stimulus domains are subject to selective sensitization.


Language: en

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