The effects of unconditional stimulus valence and conditioning paradigm on verbal, skeleto-motor, and autonomic indices of human Pavlovian conditioning

Lipp, O. V., Siddle, D. A. T. and Dall, P. J. (2003) The effects of unconditional stimulus valence and conditioning paradigm on verbal, skeleto-motor, and autonomic indices of human Pavlovian conditioning. Learning and Motivation, 34 1: 32-51. doi:10.1016/S0023-9690(02)00507-6


Author Lipp, O. V.
Siddle, D. A. T.
Dall, P. J.
Title The effects of unconditional stimulus valence and conditioning paradigm on verbal, skeleto-motor, and autonomic indices of human Pavlovian conditioning
Journal name Learning and Motivation   Check publisher's open access policy
ISSN 0023-9690
Publication date 2003
Sub-type Article (original research)
DOI 10.1016/S0023-9690(02)00507-6
Volume 34
Issue 1
Start page 32
End page 51
Total pages 20
Place of publication US
Publisher Academic Press
Collection year 2003
Language eng
Subject C1
380102 Learning, Memory, Cognition and Language
780108 Behavioural and cognitive sciences
Abstract The effects of unconditional stimulus (US) valence (aversive electro-tactile stimulus vs. nonaversive imperative stimulus of a RT task) and conditioning paradigm (delay vs. trace) on affective learning as indexed by verbal ratings of conditional stimulus (CS) pleasantness and blink startle modulation and on relational learning as indexed by electrodermal responses were investigated. Affective learning was not affected by the conditioning paradigm; however, electrodermal responses and blink latency shortening indicated delayed learning in the trace procedure. Changes in rated CS pleasantness were found with the aversive US, but not with the non-aversive US. Differential conditioning as indexed by electrodermal responses and startle modulation was found regardless of US valence. The finding of significant differential blink modulation and electrodermal responding in the absence of a change in rated CS pleasantness as a result of conditioning with a non-aversive US was replicated in a second experiment. These results seem to indicate that startle modulation during conditioning is mediated by the arousal level of the anticipated US, rather than by the valence of the CS. (C) 2002 Elsevier Science (USA). All rights reserved.
Keyword Psychology, Biological
Psychology, Experimental
Blink Startle
Electrodermal Responses
Affective And Relational Learning
Pavlovian Conditioning
Contingency Awareness
Modulation
Emotion
Anticipation
Extinction
Perception
Modality
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 02:07:01 EST