Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects

The conflict adaptation account proposes that participants adjust attention to target and distracting stimuli in response to conflict. This is argued to explain the proportion congruent effect, wherein the congruency effect decreases as the proportion of conflicting incongruent trials increases. Som...

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Main Authors: James R Schmidt, Céline eLemercier, Jan eDe Houwer
Format: Article
Language:English
Published: Frontiers Media S.A. 2014-10-01
Series:Frontiers in Psychology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpsyg.2014.01241/full
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author James R Schmidt
Céline eLemercier
Jan eDe Houwer
author_facet James R Schmidt
Céline eLemercier
Jan eDe Houwer
author_sort James R Schmidt
collection DOAJ
description The conflict adaptation account proposes that participants adjust attention to target and distracting stimuli in response to conflict. This is argued to explain the proportion congruent effect, wherein the congruency effect decreases as the proportion of conflicting incongruent trials increases. Some reports further argue that this conflict adaptation process can be context-specific. This paper presents a proof-of-principle for a competing account. It is suggested that such context-specific effects might be driven by very basic temporal learning processes. In the reported experiment, we manipulated stimulus contrast in place of congruency. In one location, stimulus letters were mostly easy to identify (high stimulus contrast). In the other location, letters were mostly hard to identify (low stimulus contrast). Participants produced a larger contrast effect in the mostly easy context. Along with supplemental analyses investigating the role of context switching and previous trial response times, the results are consistent with the notion that different rhythms of responding are learned for an easy versus hard location context. These results suggest that context-specific proportion congruency effects might result, in whole or in part, from temporal learning. Conflict adaptation may or may not play an additional role.
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spelling doaj.art-f1e1273234ed4e03b16914ba56ad86352022-12-21T17:26:46ZengFrontiers Media S.A.Frontiers in Psychology1664-10782014-10-01510.3389/fpsyg.2014.01241116572Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent EffectsJames R Schmidt0Céline eLemercier1Jan eDe Houwer2Ghent UniversityUniversité de ToulouseGhent UniversityThe conflict adaptation account proposes that participants adjust attention to target and distracting stimuli in response to conflict. This is argued to explain the proportion congruent effect, wherein the congruency effect decreases as the proportion of conflicting incongruent trials increases. Some reports further argue that this conflict adaptation process can be context-specific. This paper presents a proof-of-principle for a competing account. It is suggested that such context-specific effects might be driven by very basic temporal learning processes. In the reported experiment, we manipulated stimulus contrast in place of congruency. In one location, stimulus letters were mostly easy to identify (high stimulus contrast). In the other location, letters were mostly hard to identify (low stimulus contrast). Participants produced a larger contrast effect in the mostly easy context. Along with supplemental analyses investigating the role of context switching and previous trial response times, the results are consistent with the notion that different rhythms of responding are learned for an easy versus hard location context. These results suggest that context-specific proportion congruency effects might result, in whole or in part, from temporal learning. Conflict adaptation may or may not play an additional role.http://journal.frontiersin.org/Journal/10.3389/fpsyg.2014.01241/fullAttentioncognitive controlcontextcontrastcontingency learningconflict adaptation
spellingShingle James R Schmidt
Céline eLemercier
Jan eDe Houwer
Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects
Frontiers in Psychology
Attention
cognitive control
context
contrast
contingency learning
conflict adaptation
title Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects
title_full Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects
title_fullStr Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects
title_full_unstemmed Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects
title_short Context-Specific Temporal Learning With Non-Conflict Stimuli: Proof-of-Principle for a Learning Account of Context-Specific Proportion Congruent Effects
title_sort context specific temporal learning with non conflict stimuli proof of principle for a learning account of context specific proportion congruent effects
topic Attention
cognitive control
context
contrast
contingency learning
conflict adaptation
url http://journal.frontiersin.org/Journal/10.3389/fpsyg.2014.01241/full
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