Dissociative effects of different types and amounts of nonreinforced CS exposure on avoidance extinction and the CER

Susan Mineka; Antonio Gino

doi:10.1016/0023-9690(79)90041-9

Dissociative effects of different types and amounts of nonreinforced CS exposure on avoidance extinction and the CER

Susan Mineka^*, Antonio Gino

^*Corresponding author for this work

Psychology

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

Two experiments examined the effectiveness of two amounts of flooding or response-prevention on hastening avoidance response extinction and on reducing CS-produced suppression of bar-pressing for food. In Experiment 1, 20 and 30 flooding trials were both shown to be effective in hastening the extinction of a well-learned shuttlebox avoidance response. In Experiment 2, rats trained under comparable conditions to those in Experiment 1 were tested following flooding for the CER in a different apparatus. The results indicated that 30, but not 20, flooding trials were sufficient to reduce the CER. In each experiment the results of additional control groups equated with the flooded groups for nonreinforced CS exposure also revealed a dissociation between the effectiveness of this CS time control procedure in hastening avoidance response extinction and in reducing the CER. Further comparisons showed that although 30 flooding trials did reduce the CER, the same total duration of nonreinforced CS Exposure in the form of avoidance extinction trials did not. Thus the context in which CS exposure occurs may affect the dynamics of extinction of the CER. The experiments are discussed in the broader context of dissociation of various indices of fear in humans.

Original language	English (US)
Pages (from-to)	141-160
Number of pages	20
Journal	Learning and Motivation
Volume	10
Issue number	2
DOIs	https://doi.org/10.1016/0023-9690(79)90041-9
State	Published - May 1979

Funding

This research was supported by grants to the first author from the University of Wisconsin Graduate School and by Grant MH-27156 from the National Institute of Mental Health. We thank Robert Hendersen and J. Bruce Overmier for their helpful comments on earlier versions of this manuscript. Requests for reprints should be sent to Susan Mineka, Department of Psychology, 1202 W. Johnson St., University of Wisconsin, Madison, WI 53706.

ASJC Scopus subject areas

Health(social science)
Neuropsychology and Physiological Psychology
Experimental and Cognitive Psychology
Education
Developmental and Educational Psychology

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title = "Dissociative effects of different types and amounts of nonreinforced CS exposure on avoidance extinction and the CER",

abstract = "Two experiments examined the effectiveness of two amounts of flooding or response-prevention on hastening avoidance response extinction and on reducing CS-produced suppression of bar-pressing for food. In Experiment 1, 20 and 30 flooding trials were both shown to be effective in hastening the extinction of a well-learned shuttlebox avoidance response. In Experiment 2, rats trained under comparable conditions to those in Experiment 1 were tested following flooding for the CER in a different apparatus. The results indicated that 30, but not 20, flooding trials were sufficient to reduce the CER. In each experiment the results of additional control groups equated with the flooded groups for nonreinforced CS exposure also revealed a dissociation between the effectiveness of this CS time control procedure in hastening avoidance response extinction and in reducing the CER. Further comparisons showed that although 30 flooding trials did reduce the CER, the same total duration of nonreinforced CS Exposure in the form of avoidance extinction trials did not. Thus the context in which CS exposure occurs may affect the dynamics of extinction of the CER. The experiments are discussed in the broader context of dissociation of various indices of fear in humans.",

author = "Susan Mineka and Antonio Gino",

note = "Funding Information: This research was supported by grants to the first author from the University of Wisconsin Graduate School and by Grant MH-27156 from the National Institute of Mental Health. We thank Robert Hendersen and J. Bruce Overmier for their helpful comments on earlier versions of this manuscript. Requests for reprints should be sent to Susan Mineka, Department of Psychology, 1202 W. Johnson St., University of Wisconsin, Madison, WI 53706.",

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PY - 1979/5

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N2 - Two experiments examined the effectiveness of two amounts of flooding or response-prevention on hastening avoidance response extinction and on reducing CS-produced suppression of bar-pressing for food. In Experiment 1, 20 and 30 flooding trials were both shown to be effective in hastening the extinction of a well-learned shuttlebox avoidance response. In Experiment 2, rats trained under comparable conditions to those in Experiment 1 were tested following flooding for the CER in a different apparatus. The results indicated that 30, but not 20, flooding trials were sufficient to reduce the CER. In each experiment the results of additional control groups equated with the flooded groups for nonreinforced CS exposure also revealed a dissociation between the effectiveness of this CS time control procedure in hastening avoidance response extinction and in reducing the CER. Further comparisons showed that although 30 flooding trials did reduce the CER, the same total duration of nonreinforced CS Exposure in the form of avoidance extinction trials did not. Thus the context in which CS exposure occurs may affect the dynamics of extinction of the CER. The experiments are discussed in the broader context of dissociation of various indices of fear in humans.

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Dissociative effects of different types and amounts of nonreinforced CS exposure on avoidance extinction and the CER

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