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Emotional conditioning to masked stimuli: Unconsciously originated expectancies for aversive outcomes following nonrecognized fear-relevant stimuli
Uppsala University/Karolinska Institutet.
Uppsala University/Karolinska Institutet.ORCID iD: 0000-0001-5221-9504
1998 (English)In: Journal of experimental psychology. General, ISSN 0096-3445, E-ISSN 1939-2222, Vol. 127, no 1, 69-82 p.Article in journal (Refereed) Published
Abstract [en]

The role of conscious awareness in human Pavlovian conditioning was examined in 2 experiments using masked fear-relevant (snakes and spiders; Experiments 1 and 2) and fear-irrelevant (flowers and mushrooms; Experiment 1) pictures as conditioned stimuli, a mild electric shock as the unconditioned stimulus, and skin conductance responses as the primary dependent variable. The conditioned stimuli were presented briefly (30 ms) and were effectively masked by an immediately following masking stimulus. Experiment 1 demonstrated nonconscious conditioning to fear-relevant but not to fear-irrelevant stimuli. Even though the participants could not recognize the stimuli in Experiment 2, they differentiated between masked stimuli predicting and not predicting shocks in expectancy ratings. However, expectancy ratings were not related to the conditioned autonomic response.

Place, publisher, year, edition, pages
1998. Vol. 127, no 1, 69-82 p.
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:miun:diva-12733OAI: oai:DiVA.org:miun-12733DiVA: diva2:377752
Available from: 2010-12-14 Created: 2010-12-14 Last updated: 2011-01-18Bibliographically approved

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Soares, Joaquim
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