Publication

Unpredictable sudden increases in intensity of pain and acquired fear

Arntz, A., Van Eck, M. & de Jong, P., 1992, In : Journal of Psychophysiology. 6, 1, p. 54-64 11 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Arntz, A., Van Eck, M., & de Jong, P. (1992). Unpredictable sudden increases in intensity of pain and acquired fear. Journal of Psychophysiology, 6(1), 54-64.

Author

Arntz, Arnoud ; Van Eck, M. ; de Jong, Peter. / Unpredictable sudden increases in intensity of pain and acquired fear. In: Journal of Psychophysiology. 1992 ; Vol. 6, No. 1. pp. 54-64.

Harvard

Arntz, A, Van Eck, M & de Jong, P 1992, 'Unpredictable sudden increases in intensity of pain and acquired fear', Journal of Psychophysiology, vol. 6, no. 1, pp. 54-64.

Standard

Unpredictable sudden increases in intensity of pain and acquired fear. / Arntz, Arnoud; Van Eck, M.; de Jong, Peter.

In: Journal of Psychophysiology, Vol. 6, No. 1, 1992, p. 54-64.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Arntz A, Van Eck M, de Jong P. Unpredictable sudden increases in intensity of pain and acquired fear. Journal of Psychophysiology. 1992;6(1):54-64.


BibTeX

@article{81d1478e2eb343ef99f2d9f4e783fcde,
title = "Unpredictable sudden increases in intensity of pain and acquired fear",
abstract = "It is well-known that unpredictable occurrences of aversive events can produce various disturbances in the organism. Less is known about possible other relevant aspects of predictability. In the present experiment the hypothesis was tested that sudden (unpredictable) increases in the intensity of a painful UCS contribute to the development and maintenance of fear of the UCS. In the experimental condition, Ss received 17 painful electrical stimulations of medium intensity, alternated with three strong stimulations. In the control group, Ss received 20 strong stimulations which followed a predictable pattern because they were of constant intensity. Subjective fear ratings and autonomic responses (SCR, HRR) to a warning signal that preceded the UCS were higher in the experimental condition than in the control group, despite the fact that the control group received more stimuli of the high intensity level. Before experimental manipulation HR deceleration afterher the warning stimulus was observed in both groups. The experimental manipulation resulted in HR acceleration after the warning stimulus, while the control Ss continued to show a deceleration. These findings support the notion that unpredictability of UCS intensity is important for the acquisition of fear.",
author = "Arnoud Arntz and {Van Eck}, M. and {de Jong}, Peter",
year = "1992",
language = "English",
volume = "6",
pages = "54--64",
journal = "Journal of Psychophysiology",
issn = "0269-8803",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - Unpredictable sudden increases in intensity of pain and acquired fear

AU - Arntz, Arnoud

AU - Van Eck, M.

AU - de Jong, Peter

PY - 1992

Y1 - 1992

N2 - It is well-known that unpredictable occurrences of aversive events can produce various disturbances in the organism. Less is known about possible other relevant aspects of predictability. In the present experiment the hypothesis was tested that sudden (unpredictable) increases in the intensity of a painful UCS contribute to the development and maintenance of fear of the UCS. In the experimental condition, Ss received 17 painful electrical stimulations of medium intensity, alternated with three strong stimulations. In the control group, Ss received 20 strong stimulations which followed a predictable pattern because they were of constant intensity. Subjective fear ratings and autonomic responses (SCR, HRR) to a warning signal that preceded the UCS were higher in the experimental condition than in the control group, despite the fact that the control group received more stimuli of the high intensity level. Before experimental manipulation HR deceleration afterher the warning stimulus was observed in both groups. The experimental manipulation resulted in HR acceleration after the warning stimulus, while the control Ss continued to show a deceleration. These findings support the notion that unpredictability of UCS intensity is important for the acquisition of fear.

AB - It is well-known that unpredictable occurrences of aversive events can produce various disturbances in the organism. Less is known about possible other relevant aspects of predictability. In the present experiment the hypothesis was tested that sudden (unpredictable) increases in the intensity of a painful UCS contribute to the development and maintenance of fear of the UCS. In the experimental condition, Ss received 17 painful electrical stimulations of medium intensity, alternated with three strong stimulations. In the control group, Ss received 20 strong stimulations which followed a predictable pattern because they were of constant intensity. Subjective fear ratings and autonomic responses (SCR, HRR) to a warning signal that preceded the UCS were higher in the experimental condition than in the control group, despite the fact that the control group received more stimuli of the high intensity level. Before experimental manipulation HR deceleration afterher the warning stimulus was observed in both groups. The experimental manipulation resulted in HR acceleration after the warning stimulus, while the control Ss continued to show a deceleration. These findings support the notion that unpredictability of UCS intensity is important for the acquisition of fear.

UR - http://www.scopus.com/inward/record.url?scp=0026696419&partnerID=8YFLogxK

M3 - Article

VL - 6

SP - 54

EP - 64

JO - Journal of Psychophysiology

JF - Journal of Psychophysiology

SN - 0269-8803

IS - 1

ER -

ID: 36393888