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Extinction in fear conditioning : effects on startle modulation and evaluative self-reports

Debora Vansteenwegen, Geert Crombez (UGent) , Frank Baeyens and Paul Eelen
(1998) PSYCHOPHYSIOLOGY. 35(6). p.729-736
Author
Organization
Abstract
A basic feature of human evaluative conditioning is that the reported acquired valence of a previously neutral conditioned stimulus (CS) that has been paired with a valenced unconditioned stimulus (US), is resistant to extinction. The present study investigated whether startle modulation, sometimes presented as an index of acquired valence, reflected this basic feature. In a differential fear conditioning paradigm (n = 38) with an electrocutaneous stimulus as the US, a strong extinction manipulation was conducted by removing the US-electrodes and by extended extinction trials. At the end of extinction, the results corroborated previous findings of evaluative conditioning in that the reported valence for CS+ was still more negative than for CS-, despite disappearance of the differential skin conductance responses. However, startle modulation did not show resistance-to-extinction. Results were discussed in terms of recent conceptualizations of extinction.
Keywords
extinction, startle eyeblink, skin conductance, evaluative learning, fear conditioning, FLAVOR-FLAVOR, PAVLOVIAN ASSOCIATIONS, CONTINGENCY AWARENESS, REFLEX, HUMANS, PROBE, EMOTION

Citation

Please use this url to cite or link to this publication:

MLA
Vansteenwegen, Debora, et al. “Extinction in Fear Conditioning : Effects on Startle Modulation and Evaluative Self-Reports.” PSYCHOPHYSIOLOGY, vol. 35, no. 6, 1998, pp. 729–36.
APA
Vansteenwegen, D., Crombez, G., Baeyens, F., & Eelen, P. (1998). Extinction in fear conditioning : effects on startle modulation and evaluative self-reports. PSYCHOPHYSIOLOGY, 35(6), 729–736.
Chicago author-date
Vansteenwegen, Debora, Geert Crombez, Frank Baeyens, and Paul Eelen. 1998. “Extinction in Fear Conditioning : Effects on Startle Modulation and Evaluative Self-Reports.” PSYCHOPHYSIOLOGY 35 (6): 729–36.
Chicago author-date (all authors)
Vansteenwegen, Debora, Geert Crombez, Frank Baeyens, and Paul Eelen. 1998. “Extinction in Fear Conditioning : Effects on Startle Modulation and Evaluative Self-Reports.” PSYCHOPHYSIOLOGY 35 (6): 729–736.
Vancouver
1.
Vansteenwegen D, Crombez G, Baeyens F, Eelen P. Extinction in fear conditioning : effects on startle modulation and evaluative self-reports. PSYCHOPHYSIOLOGY. 1998;35(6):729–36.
IEEE
[1]
D. Vansteenwegen, G. Crombez, F. Baeyens, and P. Eelen, “Extinction in fear conditioning : effects on startle modulation and evaluative self-reports,” PSYCHOPHYSIOLOGY, vol. 35, no. 6, pp. 729–736, 1998.
@article{283666,
  abstract     = {A basic feature of human evaluative conditioning is that the reported acquired valence of a previously neutral conditioned stimulus (CS) that has been paired with a valenced unconditioned stimulus (US), is resistant to extinction. The present study investigated whether startle modulation, sometimes presented as an index of acquired valence, reflected this basic feature. In a differential fear conditioning paradigm (n = 38) with an electrocutaneous stimulus as the US, a strong extinction manipulation was conducted by removing the US-electrodes and by extended extinction trials. At the end of extinction, the results corroborated previous findings of evaluative conditioning in that the reported valence for CS+ was still more negative than for CS-, despite disappearance of the differential skin conductance responses. However, startle modulation did not show resistance-to-extinction. Results were discussed in terms of recent conceptualizations of extinction.},
  author       = {Vansteenwegen, Debora and Crombez, Geert and Baeyens, Frank and Eelen, Paul},
  issn         = {0048-5772},
  journal      = {PSYCHOPHYSIOLOGY},
  keywords     = {extinction,startle eyeblink,skin conductance,evaluative learning,fear conditioning,FLAVOR-FLAVOR,PAVLOVIAN ASSOCIATIONS,CONTINGENCY AWARENESS,REFLEX,HUMANS,PROBE,EMOTION},
  language     = {eng},
  number       = {6},
  pages        = {729--736},
  title        = {Extinction in fear conditioning : effects on startle modulation and evaluative self-reports},
  url          = {http://dx.doi.org/10.1111/1469-8986.3560729},
  volume       = {35},
  year         = {1998},
}
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