AI Article Synopsis
- Frontal alpha asymmetry was thought to indicate levels of approach motivation, but recent studies found little connection between it and personality traits.
- A study using data from the CoScience project (n=740) measured frontal asymmetry during different tasks to see if it varied based on approach motivation.
- The results showed that frontal asymmetry wasn't significantly influenced by the tasks and did not correlate with self-reported personality traits, undermining its validity as a marker for approach motivation.
Article Abstract
Frontal alpha asymmetry has been proposed as a ubiquitous marker of state and trait approach motivation, but recent meta-analyses found weak or nonexistent links with personality traits. It has been suggested that frontal asymmetry may show stronger individual differences in situations that elicit approach motivation (state-trait interaction). To investigate this with sufficient statistical power, we utilized data from the CoScience project ( = 740). Frontal asymmetry was measured during a resting period, a picture viewing task, and a guessing task, which were expected to trigger different levels of approach motivation. Results showed that frontal asymmetry was not reliably affected by task manipulations and did not relate to self-reported traits. Furthermore, Bayesian statistics and a cooperative forking path analysis were used to supplement the preregistered analyses. To conclude, this comprehensive analysis could not support the validity of frontal asymmetry as a marker of approach motivation, neither as a reliable state nor as a trait marker. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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| http://dx.doi.org/10.1037/pspp0000503 | DOI Listing |
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