Attitudes to the right- and left: Frontal ERP asymmetries associated with stimulus valence and processing goals

William A. Cunningham; Stacey D. Espinet; Colin G. Deyoung; Philip David Zelazo

doi:10.1016/j.neuroimage.2005.04.044

Attitudes to the right- and left: Frontal ERP asymmetries associated with stimulus valence and processing goals

William A. Cunningham, Stacey D. Espinet, Colin G. Deyoung, Philip David Zelazo

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

125 Scopus citations

Abstract

We used dense-array event-related potentials (ERP) to examine the time course and neural bases of evaluative processing. Participants made good vs. bad (evaluative) and abstract vs. concrete (nonevaluative) judgments of socially relevant concepts (e.g., "murder," "welfare"), and then rated all concepts for goodness and badness. Results revealed a late positive potential (LPP) beginning at about 475 ms post-stimulus and maximal over anterior sites. The LPP was lateralized (higher amplitude and shorter latency) on the right for concepts later rated bad, and on the left for concepts later rated good. Moreover, the degree of lateralization for the amplitude but not the latency was larger when participants were making evaluative judgments than when they were making nonevaluative judgments. These data are consistent with a model in which discrete regions of prefrontal cortex (PFC) are specialized for the evaluative processing of positive and negative stimuli.

Original language	English (US)
Pages (from-to)	827-834
Number of pages	8
Journal	NeuroImage
Volume	28
Issue number	4
DOIs	https://doi.org/10.1016/j.neuroimage.2005.04.044
State	Published - Dec 2005
Externally published	Yes

Bibliographical note

Funding Information:
This research was supported by grants from the Natural Sciences and Engineering Research Council of Canada (to PDZ), The Canadian Foundation for Innovation (to PDZ and to WAC), and a Connaught Startup Award (to WAC).

Keywords

Evaluation
Hemispheric asymmetry
Prefrontal cortex
Valence

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10.1016/j.neuroimage.2005.04.044

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abstract = "We used dense-array event-related potentials (ERP) to examine the time course and neural bases of evaluative processing. Participants made good vs. bad (evaluative) and abstract vs. concrete (nonevaluative) judgments of socially relevant concepts (e.g., {"}murder,{"} {"}welfare{"}), and then rated all concepts for goodness and badness. Results revealed a late positive potential (LPP) beginning at about 475 ms post-stimulus and maximal over anterior sites. The LPP was lateralized (higher amplitude and shorter latency) on the right for concepts later rated bad, and on the left for concepts later rated good. Moreover, the degree of lateralization for the amplitude but not the latency was larger when participants were making evaluative judgments than when they were making nonevaluative judgments. These data are consistent with a model in which discrete regions of prefrontal cortex (PFC) are specialized for the evaluative processing of positive and negative stimuli.",

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author = "Cunningham, {William A.} and Espinet, {Stacey D.} and Deyoung, {Colin G.} and Zelazo, {Philip David}",

note = "Funding Information: This research was supported by grants from the Natural Sciences and Engineering Research Council of Canada (to PDZ), The Canadian Foundation for Innovation (to PDZ and to WAC), and a Connaught Startup Award (to WAC).",

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AU - Deyoung, Colin G.

AU - Zelazo, Philip David

N1 - Funding Information: This research was supported by grants from the Natural Sciences and Engineering Research Council of Canada (to PDZ), The Canadian Foundation for Innovation (to PDZ and to WAC), and a Connaught Startup Award (to WAC).

PY - 2005/12

Y1 - 2005/12

N2 - We used dense-array event-related potentials (ERP) to examine the time course and neural bases of evaluative processing. Participants made good vs. bad (evaluative) and abstract vs. concrete (nonevaluative) judgments of socially relevant concepts (e.g., "murder," "welfare"), and then rated all concepts for goodness and badness. Results revealed a late positive potential (LPP) beginning at about 475 ms post-stimulus and maximal over anterior sites. The LPP was lateralized (higher amplitude and shorter latency) on the right for concepts later rated bad, and on the left for concepts later rated good. Moreover, the degree of lateralization for the amplitude but not the latency was larger when participants were making evaluative judgments than when they were making nonevaluative judgments. These data are consistent with a model in which discrete regions of prefrontal cortex (PFC) are specialized for the evaluative processing of positive and negative stimuli.

AB - We used dense-array event-related potentials (ERP) to examine the time course and neural bases of evaluative processing. Participants made good vs. bad (evaluative) and abstract vs. concrete (nonevaluative) judgments of socially relevant concepts (e.g., "murder," "welfare"), and then rated all concepts for goodness and badness. Results revealed a late positive potential (LPP) beginning at about 475 ms post-stimulus and maximal over anterior sites. The LPP was lateralized (higher amplitude and shorter latency) on the right for concepts later rated bad, and on the left for concepts later rated good. Moreover, the degree of lateralization for the amplitude but not the latency was larger when participants were making evaluative judgments than when they were making nonevaluative judgments. These data are consistent with a model in which discrete regions of prefrontal cortex (PFC) are specialized for the evaluative processing of positive and negative stimuli.

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Attitudes to the right- and left: Frontal ERP asymmetries associated with stimulus valence and processing goals

Abstract

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Keywords

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