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- Title
To err is human‐ to understand error‐processing is divine: Contributions of working memory and anxiety to error‐related brain and pupil responses.
- Authors
LoTemplio, Sara; Silcox, Jack; Murdock, Ryan; Strayer, David L.; Payne, Brennan R.
- Abstract
Both anxiety and working memory capacity appear to predict increased (more negative) error‐related negativity (ERN) amplitudes, despite being inversely related to one another. Until the interactive effects of these variables on the ERN are clarified, there may be challenges posed to our ability to use the ERN as an endophenotype for anxiety, as some have suggested. The compensatory error monitoring hypothesis suggests that high trait‐anxiety individuals have larger ERN amplitudes because they must employ extra, compensatory efforts to override the working memory demands of their anxiety. Yet, to our knowledge, no ERN study has employed direct manipulation of working memory demands in conjunction with direct manipulations of induced (state) anxiety. Furthermore, little is known about how these manipulations affect other measures of error processing, such as the error‐related pupil dilation response and post‐error behavioral adjustments. Therefore, we manipulate working memory load and anxiety in a 2 × 2 within‐subjects design to examine the interactive effects of working memory load and anxiety on ERN amplitude, error‐related pupil dilation response amplitude, and post‐error behavior. There were no effects of our manipulations on ERN amplitude, suggesting a strong interpretation of compensatory error‐processing theory. However, our worry manipulation affected post‐error behavior, such that worry caused a reduction in post‐error accuracy. Additionally, our working memory manipulation affected error‐related PDR magnitude and the amplitude of the error‐related positivity (Pe), such that increased working memory load decreased the amplitude of these responses. Implications of these results within the context of the compensatory error processing framework are discussed. Working memory load and anxiety appear to influence error‐processing, particularly the error‐related negativity (ERN). However, their interactive effects on error‐processing are still not well understood, particularly in the context of state manipulations. The present study is the first, to our knowledge, to simultaneously manipulate both working memory load and anxiety induction in an ERN paradigm. We also make a novel contribution to the literature by recording simultaneous pupillometry in the same paradigm.
- Publication
Psychophysiology, 2023, Vol 60, Issue 12, p1
- ISSN
0048-5772
- Publication type
Article
- DOI
10.1111/psyp.14392