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Sequential analysis of the numerical stroop effect reveals response suppression

Roi Cohen Kadosh, Wim Gevers and Wim Notebaert UGent (2011) JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION. 37(5). p.1243-1249
abstract
Automatic processing of irrelevant stimulus dimensions has been demonstrated in a variety of tasks. Previous studies have shown that conflict between relevant and irrelevant dimensions can be reduced when a feature of the irrelevant dimension is repeated. The specific level at which the automatic process is suppressed (e.g., perceptual repetition, response repetition), however, is less understood. In the current experiment we used the numerical Stroop paradigm, in which the processing of irrelevant numerical values of 2 digits interferes with the processing of their physical size, to pinpoint the precise level of the suppression. Using a sequential analysis, we dissociated perceptual repetition from response repetition of the relevant and irrelevant dimension. Our analyses of reaction times, error rates, and diffusion modeling revealed that the congruity effect is significantly reduced or even absent when the response sequence of the irrelevant dimension, rather than the numerical value or the physical size, is repeated. These results suggest that automatic activation of the irrelevant dimension is suppressed at the response level. The current results shed light on the level of interaction between numerical magnitude and physical size as well as the effect of variability of responses and stimuli on automatic processing.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
CONFLICT, INFORMATION, TASK, INTERFERENCE, SIZE, REPRESENTATION, ACTIVATION, ATTENTION, NUMERALS, ACCOUNT, automaticity, congruity effect, diffusion modeling, executive control, inhibition
journal title
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION
J. Exp. Psychol.-Learn. Mem. Cogn.
volume
37
issue
5
pages
1243 - 1249
Web of Science type
Article
Web of Science id
000294369900014
JCR category
PSYCHOLOGY, EXPERIMENTAL
JCR impact factor
2.854 (2011)
JCR rank
18/83 (2011)
JCR quartile
1 (2011)
ISSN
0278-7393
DOI
10.1037/a0023550
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1943989
handle
http://hdl.handle.net/1854/LU-1943989
date created
2011-11-18 11:37:19
date last changed
2011-11-21 09:16:10
@article{1943989,
  abstract     = {Automatic processing of irrelevant stimulus dimensions has been demonstrated in a variety of tasks. Previous studies have shown that conflict between relevant and irrelevant dimensions can be reduced when a feature of the irrelevant dimension is repeated. The specific level at which the automatic process is suppressed (e.g., perceptual repetition, response repetition), however, is less understood. In the current experiment we used the numerical Stroop paradigm, in which the processing of irrelevant numerical values of 2 digits interferes with the processing of their physical size, to pinpoint the precise level of the suppression. Using a sequential analysis, we dissociated perceptual repetition from response repetition of the relevant and irrelevant dimension. Our analyses of reaction times, error rates, and diffusion modeling revealed that the congruity effect is significantly reduced or even absent when the response sequence of the irrelevant dimension, rather than the numerical value or the physical size, is repeated. These results suggest that automatic activation of the irrelevant dimension is suppressed at the response level. The current results shed light on the level of interaction between numerical magnitude and physical size as well as the effect of variability of responses and stimuli on automatic processing.},
  author       = {Kadosh, Roi Cohen and Gevers, Wim and Notebaert, Wim},
  issn         = {0278-7393},
  journal      = {JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION},
  keyword      = {CONFLICT,INFORMATION,TASK,INTERFERENCE,SIZE,REPRESENTATION,ACTIVATION,ATTENTION,NUMERALS,ACCOUNT,automaticity,congruity effect,diffusion modeling,executive control,inhibition},
  language     = {eng},
  number       = {5},
  pages        = {1243--1249},
  title        = {Sequential analysis of the numerical stroop effect reveals response suppression},
  url          = {http://dx.doi.org/10.1037/a0023550},
  volume       = {37},
  year         = {2011},
}

Chicago
Kadosh, Roi Cohen, Wim Gevers, and Wim Notebaert. 2011. “Sequential Analysis of the Numerical Stroop Effect Reveals Response Suppression.” Journal of Experimental Psychology-learning Memory and Cognition 37 (5): 1243–1249.
APA
Kadosh, R. C., Gevers, W., & Notebaert, W. (2011). Sequential analysis of the numerical stroop effect reveals response suppression. JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION, 37(5), 1243–1249.
Vancouver
1.
Kadosh RC, Gevers W, Notebaert W. Sequential analysis of the numerical stroop effect reveals response suppression. JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION. 2011;37(5):1243–9.
MLA
Kadosh, Roi Cohen, Wim Gevers, and Wim Notebaert. “Sequential Analysis of the Numerical Stroop Effect Reveals Response Suppression.” JOURNAL OF EXPERIMENTAL PSYCHOLOGY-LEARNING MEMORY AND COGNITION 37.5 (2011): 1243–1249. Print.