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Cogn Emot. 2013;27(6):1013-22. doi: 10.1080/02699931.2012.756803. Epub 2013 Feb 26.

The effect of very brief exposure on experienced fear after in vivo exposure.

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  • 1Department of Behavioral and Social Sciences, Psychology, SUNY/Westchester and Purchase College, Westchester, NY, USA.


Two experiments tested the effect of exposure to masked phobic stimuli at a very brief stimulus onset asynchrony on reducing the subjective experience of fear caused by in vivo exposure to a feared object. In the main experiment, 35 spider-fearful and 35 non-fearful participants were identified with a questionnaire and a behavioural avoidance test (BAT) with a live tarantula. One week later, they were individually administered one of two continuous series of masked images: spiders or flowers. They engaged in the BAT again immediately thereafter. They provided ratings of subjective fear at the end of each BAT (pre- and post-manipulation). Very brief exposure to images of spiders reduced the fearful group's and not the non-fearful group's experience of fear at the end of the BAT. This effect was replicated with another sample of 26 spider-fearful participants from the same population. Theoretical implications are discussed.

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