Skip to main content
main-content
Top

Tip

Swipe om te navigeren naar een ander artikel

13-06-2015 | Original Article | Uitgave 4/2016

Psychological Research 4/2016

Dissociating conscious expectancies from automatic-link formation in an electrodermal conditioning paradigm

Tijdschrift:
Psychological Research > Uitgave 4/2016
Auteurs:
Pierre Perruchet, Laurent Grégoire, Kevin Aerts, Bénédicte Poulin-Charronnat

Abstract

The key point of a paradigm initially proposed by Perruchet (Pavlov J Biol Sci 20:163–170, 1985) to dissociate conscious expectancies from automatic-link formation in classical conditioning settings is the use of a partial reinforcement schedule, in which the unconditioned stimulus (US) follows the conditioned stimulus (CS) only half of the time on average. Given (pseudo) randomization, the whole sequence comprises runs of CS alone and runs of CS–US pairs of various lengths. When the preceding run goes from a long sequence of CS alone to a long sequence of CS–US pairs (via shorter sequences), associative strength should grow up, whereas conscious expectancy should decrease. Earlier studies have shown that, in most cases, conditioned performance parallels associative strength. As an exception, however, a few reports suggest that conditioned electrodermal responses (EDRs) would follow predicted changes in US expectancies. This paper presents an experiment that replicates this outcome. However, when the performances from a control group were taken as a baseline to control for response habituation, corrected conditioned EDRs were shown to follow associative strength. This suggests that the atypical pattern of conditioned EDRs in the Perruchet paradigm would be due to the fact that EDRs are more sensitive to habituation than responses involved in other associative learning settings. These results further challenge the recent “propositional” view of conditioning, which stipulates that conditioned responses in humans are the consequence of participants’ conscious inferences about the relationships between the CS and the US, which would lead the CS to generate conscious expectancy for the US.

Log in om toegang te krijgen

Met onderstaand(e) abonnement(en) heeft u direct toegang:

BSL Psychologie Totaal

Met BSL Psychologie Totaal blijft u als professional steeds op de hoogte van de nieuwste ontwikkelingen binnen uw vak. Met het online abonnement heeft u toegang tot een groot aantal boeken, protocollen, vaktijdschriften en e-learnings op het gebied van psychologie en psychiatrie. Zo kunt u op uw gemak en wanneer het u het beste uitkomt verdiepen in uw vakgebied.

Literatuur
Over dit artikel

Andere artikelen Uitgave 4/2016

Psychological Research 4/2016 Naar de uitgave