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See detailDisrupted Fear and Sadness Recognition in Binge Drinking: A Combined Group and Individual Analysis
Lannoy, Severine; Benzerouk, Farid; Maurage, Pierre et al

in Alcoholism, clinical and experimental research (2019), 43(9), 1978-1985

BACKGROUND: Binge drinking is a harmful pattern of alcohol consumption, associated with cognitive and cerebral impairments. Indeed, various cognitive processes have been identified as disrupted in binge ... [more ▼]

BACKGROUND: Binge drinking is a harmful pattern of alcohol consumption, associated with cognitive and cerebral impairments. Indeed, various cognitive processes have been identified as disrupted in binge drinking, ranging from perceptive to executive functions, but emotional processes have conversely been little investigated. Particularly, it is unclear to what extent binge drinkers (BD) present difficulties to recognize and categorize the emotions expressed by other individuals. Such an exploration would, however, offer a more comprehensive view of the deficits associated with alcohol-related disorders and potentially involved in the maintenance of this harmful habit. METHODS: Fifty-two BD and 42 control participants performed an emotional task assessing the ability to recognize 6 basic emotions (i.e., anger, contempt, disgust, fear, happiness, and sadness). Accuracy score and detection threshold were collected for each emotion. To explore the extent of emotion recognition difficulties, 2 analyses were conducted: (i) classical repeated measures analyses of variance, to compare groups' performance, and (ii) multiple single-case analyses (i.e., Crawford's t-tests), to determine the percentage of BD presenting genuine emotion recognition deficits. Correlations were also performed between alcohol consumption characteristics and emotional recognition scores. RESULTS: BD presented reduced performance for the recognition of fear and sadness. Multiple single cases highlighted that these deficits respectively concerned 21.15 and 15.38% of the binge drinking sample, and the relation between binge drinking and reduced sadness detection was supported by correlational analyses. CONCLUSIONS: These findings show that binge drinking is associated with a disrupted processing of emotional stimuli. By identifying heterogeneity in the impairments presented by BD, the present results also underline the usefulness of a combined group and individual approach. [less ▲]

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See detailImpulsivity and Binge Drinking: A Neurocognitive Perspective (chapter 35)
Maurage, Pierre; Lannoy, Séverine; Naassila, Mickael et al

in Preedy, Victor R. (Ed.) Neuroscience of Alcohol (2019)

Binge drinking (BD), an alcohol-consumption pattern characterized by frequent alternations between intense intakes and withdrawal periods, is a widespread habit in youth. It has been shown that BD is ... [more ▼]

Binge drinking (BD), an alcohol-consumption pattern characterized by frequent alternations between intense intakes and withdrawal periods, is a widespread habit in youth. It has been shown that BD is linked to impairments in psychological, cognitive, and cerebral abilities. Previous studies notably underlined that impulsivity-related mechanisms might play a pivotal role in the emergence and maintenance of BD. This chapter underlines the importance of impulsivity in BD, by proposing a literature review organized around a theoretical framework distinguishing four impulsivity subcomponents (urgency, lack of premeditation, lack of perseverance, and sensation seeking) and by identifying the (neuro-)psychological and cerebral correlates of each subcomponent. Then, the main challenges for future research are discussed, particularly underlining the need for a multidisciplinary approach to explore the links between impulsivity and other cognitive factors, the causal relationships between BD and impulsive subcomponents, and the interindividual variations of impulsive tendencies in BD. [less ▲]

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