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- Title
Individual differences in emotion word processing: A diffusion model analysis.
- Authors
Mueller, Christina; Kuchinke, Lars
- Abstract
The exploratory study investigated individual differences in implicit processing of emotional words in a lexical decision task. A processing advantage for positive words was observed, and differences between happy and fear-related words in response times were predicted by individual differences in specific variables of emotion processing: Whereas more pronounced goal-directed behavior was related to a specific slowdown in processing of fear-related words, the rate of spontaneous eye blinks (indexing brain dopamine levels) was associated with a processing advantage of happy words. Estimating diffusion model parameters revealed that the drift rate (rate of information accumulation) captures unique variance of processing differences between happy and fear-related words, with highest drift rates observed for happy words. Overall emotion recognition ability predicted individual differences in drift rates between happy and fear-related words. The findings emphasize that a significant amount of variance in emotion processing is explained by individual differences in behavioral data.
- Subjects
INDIVIDUAL differences; EMOTIONS; LEXICAL access; DOPAMINE; HUMAN behavior research
- Publication
Cognitive, Affective & Behavioral Neuroscience, 2016, Vol 16, Issue 3, p489
- ISSN
1530-7026
- Publication type
Article
- DOI
10.3758/s13415-016-0408-5