An fMRI study on affective and cognitive theory of mind in adults with a family history of alcohol use disorder

Description: Citation: Schmid, F., Henry, A., Benzerouk, F., Barrière, S., Portefaix, C., Gondrexon, J., Obert, A., Kaladjian, A., & Gierski, F. (2023). Neural activations during cognitive and affective theory of mind processing in healthy adults with a family history of alcohol use disorder. Psychological Medicine. Background: Social cognition impairments are a common feature of Alcohol Use Disorders (AUD). However, it remains unclear whether these impairments are solely the consequence of chronic alcohol consumption or whether they could be a marker of vulnerability. Methods: The present study implemented a family history approach to address this question for a key process of social cognition: theory of mind (ToM). Thirty healthy adults with a family history of AUD (FH+) and 30 healthy adults with a negative family history of AUD (FH-), matched for age, sex, and education level, underwent an fMRI cartoon-vignette paradigm assessing cognitive and affective ToM. Participants also completed questionnaires evaluating anxiety, depressive symptoms, childhood trauma, and alexithymia. Results: Results indicated that FH+ individuals differed from FH- individuals on affective but not cognitive ToM processing, at both the behavioral and neural levels. At the behavioral level, the FH+ group had lower response accuracy for affective ToM compared with the FH- group. At the neural level, the FH+ group had higher brain activations in the left insula and inferior frontal cortex during affective ToM processing. These activations remained significant when controlling for depressive symptoms, anxiety, and childhood trauma. Conclusions: These findings highlight difficulties during affective ToM processing among first-degree relatives of AUD patients, supporting the idea that some of the impairments exhibited by these patients may already be present before the onset of AUD and may be considered a marker of vulnerability. Key words: Alcohol use disorder; social cognition; theory of mind; family history; fMRI

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