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1.
Alcohol ; 2024 Feb 27.
Article in English | MEDLINE | ID: mdl-38423260

ABSTRACT

Recently, researchers have proposed an updated model of executive functions that includes relational integration, the mental ability to bind information into more complex structures. Hangover is known to disrupt other core components of executive functions, but little is known about how it influences relational integration. Therefore, this study aimed to investigate how hangover influences performance on a relational integration task. Twenty-seven participants completed an online relational integration task, mood and emotion regulation questionnaires during a hangover and no-hangover condition in this naturalistic design study. Results indicated that relational integration was impaired in hangover (p < 0.001, ηp2 = 0.562) relative to the no-hangover condition. In addition, participants experienced greater difficulties in regulating emotions (p < 0.001, d = 0.85) and lower mood (p < 0.001, d = 0.88) during hangover. These results suggest that relational integration is impaired in hangover and add weight to the argument that cognitive impairments in hangover may be due to the hangover-related impact on domain-general processing resources.

2.
Healthcare (Basel) ; 11(7)2023 Apr 04.
Article in English | MEDLINE | ID: mdl-37046960

ABSTRACT

Mixed results have been reported for the relationship between personality and hangover, but recent findings have indicated that regulatory and attentional control processes may relate to hangover severity and the impact of a hangover on completing daily activities. This study aimed to explore how these factors relate to hangover severity, hangover impact, and to unhealthy alcohol use. In total, 108 participants completed a survey, rating the severity and impact of their last-experienced hangover and completing measures of the above factors. Separate multiple linear regressions were conducted to analyse each outcome (severity, impact, unhealthy drinking). For severity, the overall regression was significant (Adj. R2 = 0.46, p < 0.001), with the attentional control factor 'Focusing' (B = -0.096, p = 0.011), and personality factor 'Agreeableness' (B = 0.072, p = 0.005) predicting severity. For impact, the overall regression was significant (Adj. R2 = 0.41, p < 0.001) with the attentional control factor 'Shifting' (B = -0.252, p = 0.021), personality factors 'Extraversion' (B = 0.225, p = 0.009) and 'Agreeableness' (B = -0.156, p = 0.042), and hangover severity (B = 1.603, p < 0.001) predicting impact. For unhealthy drinking, the overall regression model was significant (Adj. R2 = 0.45, p < 0.001) with emotion dysregulation factors 'Awareness' (B = 0.301, p = 0.044) and 'Impulse Control' (B = 0.381, p = 0.011) predicting unhealthy drinking. These findings add to our understanding of the heterogeneity of hangover experience and highlight that attentional control, emotion regulation, and personality play important roles in the experience and impact of a hangover.

3.
Healthcare (Basel) ; 9(4)2021 Mar 28.
Article in English | MEDLINE | ID: mdl-33800637

ABSTRACT

Alcohol hangover is associated with the development of alcohol use disorders, yet few studies have examined the influence of hangover on cognitive processes that may contribute towards future alcohol consumption such as response inhibition and attentional bias towards alcohol-related stimuli. Therefore, the current study aimed to explore the effects of hangover on these processes. In total, 37 adult drinkers who reported regularly engaging in heavy episodic drinking and experiencing a hangover at least once in the previous month took part in this within-subjects, "naturalistic" crossover study. Participants completed Go/No-Go (assessing response inhibition) and Visual Dot Probe (attentional bias) tasks in a hangover condition (morning following alcohol consumption) and a no-hangover condition (no alcohol consumption for at least 24 h). Participants also completed measures of hangover severity, mood, and perceived mental effort. Results indicated impaired response inhibition during hangover compared to the no-hangover condition (p < 0.001, d = 0.89), but no difference in attentional bias scores between conditions. Participants reported expending greater mental effort to complete tasks (p < 0.001, d = 1.65), decreased alertness (p < 0.001, d = 3.19), and reduced feelings of tranquillity (p < 0.001, d = 1.49) in the hangover versus no-hangover condition. Together, these findings suggest that alcohol hangover is associated with impaired response inhibition and lower mood. However, problems with recording eye-tracking data on the Visual Dot Probe task used in the present study may limit the reliability of our attentional bias findings.

4.
Alcohol Alcohol ; 56(4): 425-432, 2021 Jun 29.
Article in English | MEDLINE | ID: mdl-33179037

ABSTRACT

AIMS: The aim of this study was to investigate the effects of alcohol hangover on emotion regulation. METHODS: Forty-five non-smoking, healthy participants aged between 18 and 30 years completed a lab-based emotion regulation task assessing cognitive reappraisal and an emotion regulation questionnaire (State-Difficulties in Emotion Regulation Scale [S-DERS]) when hungover (morning following a night of heavy drinking) and under a no-hangover condition in a naturalistic, within-subjects design study. RESULTS: Participants reported poorer emotion regulation overall (P < 0.001, d = 0.75), and for the subscales 'Non-Acceptance', 'Modulation' and 'Clarity' (Ps ≤ 0.001, ds ≥ 0.62), but not 'Awareness' on the S-DERS, in the hangover versus the no-hangover condition. Hangover did not impair emotion regulation ability as assessed using the lab-based task (Ps ≥ 0.21, ds ≤ 0.40), but there was a general negative shift in valence ratings (i.e. all images were rated more negatively) in the hangover relative to the no-hangover condition (P < 0.001, d = 1.16). CONCLUSION: These results suggest that emotion regulation in everyday life and emotional reactivity may be adversely affected by alcohol hangover, but some emotion regulation strategies (e.g. deliberate cognitive reappraisal) may be unaffected.


Subject(s)
Alcoholic Intoxication/psychology , Emotional Regulation/drug effects , Adolescent , Adult , Cross-Over Studies , Female , Healthy Volunteers , Humans , Male , Surveys and Questionnaires
5.
J Clin Med ; 9(4)2020 Apr 17.
Article in English | MEDLINE | ID: mdl-32316438

ABSTRACT

Recent research has suggested that processes reliant on executive functions are impaired by an alcohol hangover, yet few studies have investigated the effect of hangovers on core executive function processes. Therefore, the current study investigated the effect of hangovers on the three core components of the unity/diversity model of executive functions: the ability to switch attention, update information in working memory, and maintain goals. Thirty-five 18-to-30-year-old non-smoking individuals who reported experiencing a hangover at least once in the previous month participated in this study. They completed tasks measuring switching (number-switching task), updating (n-back task), and goal maintenance (AX Continuous Performance Test, AX-CPT) whilst experiencing a hangover and without a hangover in a 'naturalistic' within-subjects crossover design. Participants made more errors in the switching task (p = 0.019), more errors in both the 1- (p < 0.001) and 2-back (p < 0.001) versions of the n-back, and more errors in the AX-CPT (p = 0.007) tasks when experiencing a hangover, compared to the no-hangover condition. These results suggest that an alcohol hangover impairs core executive function processes that are important for everyday behaviours, such as decision-making, planning, and mental flexibility.

6.
J Clin Med ; 9(1)2020 Jan 09.
Article in English | MEDLINE | ID: mdl-31936502

ABSTRACT

The 2010 Alcohol Hangover Research Group consensus paper defined a cutoff blood alcohol concentration (BAC) of 0.11% as a toxicological threshold indicating that sufficient alcohol had been consumed to develop a hangover. The cutoff was based on previous research and applied mostly in studies comprising student samples. Previously, we showed that sensitivity to hangovers depends on (estimated) BAC during acute intoxication, with a greater percentage of drinkers reporting hangovers at higher BAC levels. However, a substantial number of participants also reported hangovers at comparatively lower BAC levels. This calls the suitability of the 0.11% threshold into question. Recent research has shown that subjective intoxication, i.e., the level of severity of reported drunkenness, and not BAC, is the most important determinant of hangover severity. Non-student samples often have a much lower alcohol intake compared to student samples, and overall BACs often remain below 0.11%. Despite these lower BACs, many non-student participants report having a hangover, especially when their subjective intoxication levels are high. This may be the case when alcohol consumption on the drinking occasion that results in a hangover significantly exceeds their "normal" drinking level, irrespective of whether they meet the 0.11% threshold in any of these conditions. Whereas consumers may have relative tolerance to the adverse effects at their "regular" drinking level, considerably higher alcohol intake-irrespective of the absolute amount-may consequentially result in a next-day hangover. Taken together, these findings suggest that the 0.11% threshold value as a criterion for having a hangover should be abandoned.

7.
Addiction ; 113(12): 2182-2193, 2018 12.
Article in English | MEDLINE | ID: mdl-30144191

ABSTRACT

BACKGROUND AND AIMS: Studies examining the next-day cognitive effects of heavy alcohol consumption have produced mixed findings, which may reflect inconsistencies in definitions of 'hangover'. Recent consensus has defined hangover as 'mental and physical symptoms, experienced the day after a single episode of heavy drinking, starting when blood alcohol concentration (BAC) approaches zero'. In light of this, we aimed to review the literature systematically to evaluate and estimate mean effect sizes of the next-day effects of heavy alcohol consumption on cognition. METHODS: Embase, PubMed and PsycNET databases were searched between December 2016 and May 2018 using terms based on 'alcohol' and 'hangover'. Studies of experimental designs which reported the next-day cognitive effects of heavy alcohol consumption in a 'hangover' group with BAC < 0.02% were reviewed. A total of 805 articles were identified. Thirty-nine full-text articles were screened by two independent reviewers and 19 included in the systematic review; 11 articles provided sufficient data to be included in the meta-analysis; 1163 participants across 19 studies conducted since 1970 were included in the analysis. Data for study design, hangover severity, BAC at testing and cognitive performance were extracted and effect estimates calculated. RESULTS: The systematic review suggested that sustained attention and driving abilities were impaired during hangover. Mixed results were observed for: psychomotor skills, short- (STM) and long-term memory (LTM) and divided attention. The meta-analysis revealed evidence of impairments in STM [g = 0.64, 95% confidence interval (CI) = 0.15-1.13], LTM (Hedges' g = 0.59, 95% CI = 0.01-1.17) sustained attention (g = 0.47, 95% CI = 0.07-0.87) and psychomotor speed (Hedges' g = 0.66, 95% CI = 0.31-1.00) during alcohol hangover. CONCLUSION: The research literature suggests that alcohol hangovers may involve impaired cognitive functions and performance of everyday tasks such as driving.


Subject(s)
Binge Drinking/psychology , Cognition , Psychomotor Performance , Attention , Humans , Memory, Long-Term , Memory, Short-Term
8.
Curr Drug Abuse Rev ; 10(1): 68-75, 2017.
Article in English | MEDLINE | ID: mdl-29303084

ABSTRACT

BACKGROUND: Alcohol hangover is a common occurrence among individuals who have experienced an episode of heavy alcohol consumption the previous night. Until now defined as the general feeling of misery that develops once the Blood Alcohol Concentration approaches zero. Despite its prevalence and several related adverse consequences, insufficient research has been conducted with regards to this matter and further understanding of the pathology of alcohol hangover is necessary. During the 9th Alcohol Hangover Research Group meeting, held on April 29th 2017, Utrecht, The Netherlands, numerous aspects of alcohol hangover were presented and many advances with regards to determinants, biological and cognitive consequences and potential treatment have been presented. CONCLUSION: Precisely, a definition of alcohol hangover has been established and wider understandings of biological and cognitive effects, alcohol metabolism, immune functioning and potential treatment of alcohol hangover were presented and discussed. Further research and development are necessary to attain a wider understanding of the pathology of alcohol hangover.


Subject(s)
Alcohol Drinking/adverse effects , Alcoholic Intoxication/complications , Alcoholic Intoxication/blood , Blood Alcohol Content , Humans
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