Investigating the relationship between gut microbiota and electrocortical signatures of feedback processing: an ERP study

Article

Lenzoni, Sabrina, Hunter, Kirsty, Heym, Nadja, Heasman, Bryony, Blanco, Stephanie, Walton, Gemma, Gibson, Glenn, Poveda, Carlos, Baguley, Thomas, Wang, Grace Y., Mograbi, Daniel C. and Sumich, Alexander. 2025. "Investigating the relationship between gut microbiota and electrocortical signatures of feedback processing: an ERP study." Psychopharmacology. https://doi.org/10.1007/s00213-025-06878-9
Article Title

Investigating the relationship between gut microbiota and electrocortical signatures of feedback processing: an ERP study

ERA Journal ID14856
Article CategoryArticle
AuthorsLenzoni, Sabrina, Hunter, Kirsty, Heym, Nadja, Heasman, Bryony, Blanco, Stephanie, Walton, Gemma, Gibson, Glenn, Poveda, Carlos, Baguley, Thomas, Wang, Grace Y., Mograbi, Daniel C. and Sumich, Alexander
Journal TitlePsychopharmacology
Number of Pages12
Year2025
PublisherSpringer
Place of PublicationGermany
ISSN0033-3158
1432-2072
Digital Object Identifier (DOI)https://doi.org/10.1007/s00213-025-06878-9
Web Address (URL)https://link.springer.com/article/10.1007/s00213-025-06878-9
Abstract

Rationale
Evaluative processing of action outcome is considered crucial for learning and adaptive adjustments of behaviour. Feedback-related negativity (FRN) is an event-related potential elicited by feedback presentation, with implicated neural sources in the anterior cingulate cortex. Bidirectional communications within the brain-gut-microbiota axis modulate cognition and behaviour, and microbial composition has been associated with medial prefrontal cortex function and clinical risk for depression.

Objectives
The present study aimed to investigate associations between specific gut microbiota and the FRN.

Methods
Twenty-nine healthy participants completed self-report measures of depression and a Faces and Feedback task during electroencephalography recording. Select implicated microbiota genera were enumerated from stool samples (Clostridium, Lactobacillus), along with plasma C-reactive protein (CRP) as an index of systemic inflammation.

Results
FRN amplitude for positive feedback was positively correlated with microbiota abundance. The relationship between Clostridium and FRN was confirmed by multilevel modelling analysis, controlling for depression and CRP. The latter was positively associated with FRN amplitude.

Conclusions
Findings suggest that the brain-gut-microbiota-axis may modulate or be modulated by self-monitoring processes. The current work provides insights into neurophysiological mechanisms underlying reward processing and indicates novel directions for therapeutic interventions, such as those that modulate the gut microbiome.

KeywordsFeedback-related negativity; Gut microbiota; ERPs; EEG
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020520202. Behavioural neuroscience
Byline AffiliationsNottingham Trent University, United Kingdom
Pontifical University of Rio de Janeiro, Brazil
University of Reading, United Kingdom
School of Psychology and Wellbeing
Centre for Health Research
King's College London, United Kingdom
Auckland University of Technology, New Zealand
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Family involvement in Chinese immigrants with bipolar disorder in New Zealand
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Methadone Maintenance Treatment and Cognitive Function: A Systematic Review
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Some light in the fog?
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How well do selection tools predict performance later in a medical programme?
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Rethinking the admission criteria to nursing school
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Bipolar disorder and medical adherence: A Chinese perspective
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