@article{Creupelandt2025,
abstract = {Emotional facial expression decoding deficits are consistently reported in severe Alcohol Use Disorder (sAUD), hampering social interactions and promoting relapse. Individuals with sAUD also exhibit visuo-perceptive deficits, persisting despite abstinence. However, these two key impairments of sAUD have never been considered simultaneously. We explored the role of perception in emotional facial expression processing by directly manipulating the spatial frequency content of emotional faces. Thirty-one patients and 30 matched healthy controls performed emotion detection, discrimination, and labeling tasks involving low-pass, high-pass, and unfiltered faces expressing anger, disgust, fear, and happiness. Results revealed that decoding impairments in sAUD were modulated by spatial frequencies and the perceptual demands of the tasks. They also indicated a predominant role for high spatial frequencies in emotional decoding deficits, suggesting that patients have specific difficulties to process fine emotional facial cues, particularly those conveying disgust and anger. This study highlights the need to reconsider the role of low-level processes, and particularly perception, in the socio-affective profile of patients, and supports a combined perceptual-emotional interpretation of the deficits.},
author = {Creupelandt, Coralie and Maurage, Pierre and Demesmaeker, Alice and Deleuze, Jory and Lambot, Carine and de Timary, Philippe and Geus, Christophe and D'Hondt, Fabien},
doi = {10.1016/j.pnpbp.2025.111416},
file = {:C\:/Users/fabie/OneDrive/Documents/Mendeley Desktop/Creupelandt et al._2025_Progress in Neuro-Psychopharmacology and Biological Psychiatry.pdf:pdf},
issn = {18784216},
journal = {Progress in Neuro-Psychopharmacology and Biological Psychiatry},
keywords = {Alcohol use disorder,Emotion,Face,Spatial frequency,Vision},
pages = {111416},
publisher = {Elsevier Inc.},
title = {{Perceptual and emotional processing deficits in severe alcohol use disorder: The role of spatial frequency}},
url = {https://doi.org/10.1016/j.pnpbp.2025.111416},
volume = {140},
year = {2025}
}

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Thirty-one patients and 30 matched healthy controls performed emotion detection, discrimination, and labeling tasks involving low-pass, high-pass, and unfiltered faces expressing anger, disgust, fear, and happiness. Results revealed that decoding impairments in sAUD were modulated by spatial frequencies and the perceptual demands of the tasks. They also indicated a predominant role for high spatial frequencies in emotional decoding deficits, suggesting that patients have specific difficulties to process fine emotional facial cues, particularly those conveying disgust and anger. 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