An on-premise study to investigate the effects of mixing alcohol with caffeinated beverages (2022)
Journal Article
Johnson, S. J., Verster, J. C., & Alford, C. (2022). An on-premise study to investigate the effects of mixing alcohol with caffeinated beverages. Brain and Behavior, 12(3), Article e2445. https://doi.org/10.1002/brb3.2445

Objective: The purpose of this on-premise study was to determine if mixing alcohol with caffeinated mixers had an impact on objective and subjective intoxication. Methods: The study was conducted across eight drinking occasions in the City of Bristol... Read More about An on-premise study to investigate the effects of mixing alcohol with caffeinated beverages.

A comparison between ecological momentary assessment and the adapted-quick drinking screen: Alcohol mixed with energy drinks (2022)
Journal Article
Johnson, S. J., Verster, J. C., & Alford, C. (2022). A comparison between ecological momentary assessment and the adapted-quick drinking screen: Alcohol mixed with energy drinks. Alcohol and Alcoholism, 57(5), 630-640. https://doi.org/10.1093/alcalc/agab086

AIMS: To compare alcohol consumption and risk-taking behaviours on alcohol mixed with energy drink (AMED) and alcohol-only (AO) drinking occasions collected via ecological momentary assessment (EMA) versus retrospective survey methods (adapted-Quick... Read More about A comparison between ecological momentary assessment and the adapted-quick drinking screen: Alcohol mixed with energy drinks.

A cross-cultural comparison of the effects of alcohol mixed with energy drink (AMED) consumption on overall alcohol consumption and related consequences (2021)
Journal Article
Benson, S., Johnson, S. J., Alford, C., Scholey, A., & Verster, J. C. (2021). A cross-cultural comparison of the effects of alcohol mixed with energy drink (AMED) consumption on overall alcohol consumption and related consequences. International Journal of Environmental Research and Public Health, 18(14), Article 7579. https://doi.org/10.3390/ijerph18147579

There is a growing body of scientific literature examining the effects of alcohol mixed with energy drink (AMED) on alcohol consumption and related negative consequences, such as risky behavior or negative health effects. It is unknown whether differ... Read More about A cross-cultural comparison of the effects of alcohol mixed with energy drink (AMED) consumption on overall alcohol consumption and related consequences.

Risk-taking behavior and the consumption of alcohol mixed with energy drink among Australian, Dutch and UK students (2021)
Journal Article
Johnson, S. J., Benson, S., Scholey, A., Alford, C., & Verster, J. C. (2021). Risk-taking behavior and the consumption of alcohol mixed with energy drink among Australian, Dutch and UK students. International Journal of Environmental Research and Public Health, 18(10), 14. https://doi.org/10.3390/ijerph18105315

The relationship between risk-taking behavior, alcohol consumption and negative alcoholrelated consequences is well known. The current analyses were conducted to investigate whether alcohol mixed with energy drink (AMED) is related to risk-taking beh... Read More about Risk-taking behavior and the consumption of alcohol mixed with energy drink among Australian, Dutch and UK students.

The impact of alcohol hangover on simulated driving performance during a ‘commute to work’—zero and residual alcohol effects compared (2020)
Journal Article
Alford, C., Broom, C., Carver, H., Johnson, S. J., Lands, S., Reece, R., & Verster, J. C. (2020). The impact of alcohol hangover on simulated driving performance during a ‘commute to work’—zero and residual alcohol effects compared. Journal of Clinical Medicine, 9(5), Article 1435. https://doi.org/10.3390/jcm9051435

Driving is increasing across the world and road traffic accidents are a major cause of serious injuries and fatalities. The link between alcohol consumption and impaired driving has long been established and has led to legislation in many countries,... Read More about The impact of alcohol hangover on simulated driving performance during a ‘commute to work’—zero and residual alcohol effects compared.

The effects of alcohol hangover on mood and performance assessed at home (2020)
Journal Article
Alford, C., Martinkova, Z., Tiplady, B., Reece, R., & Verster, J. C. (2020). The effects of alcohol hangover on mood and performance assessed at home. Journal of Clinical Medicine, 9(4), Article 1068. https://doi.org/10.3390/jcm9041068

The current study evaluated the next day consequences of a social night of drinking compared to a no alcohol night, with standardised mood and portable screen-based performance measures assessed in the morning at participants’ homes, and a breathalys... Read More about The effects of alcohol hangover on mood and performance assessed at home.

Sensitivity to experiencing alcohol hangovers: Reconsideration of the 0.11% blood alcohol concentration (BAC) threshold for having a hangover (2020)
Journal Article
Verster, J. C., Kruisselbrink, L. D., Slot, K. A., Anogeianaki, A., Adams, S., Alford, C., …Stock, A. K. (2020). Sensitivity to experiencing alcohol hangovers: Reconsideration of the 0.11% blood alcohol concentration (BAC) threshold for having a hangover. Journal of Clinical Medicine, 9(1), Article 179. https://doi.org/10.3390/jcm9010179

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 prev... Read More about Sensitivity to experiencing alcohol hangovers: Reconsideration of the 0.11% blood alcohol concentration (BAC) threshold for having a hangover.

Relationship between alcohol hangover and physical endurance performance: Walking the Samaria Gorge (2019)
Journal Article
Verster, J. C., Anogeianaki, A., Kruisselbrink, D., Alford, C., & Stock, A. K. (2020). Relationship between alcohol hangover and physical endurance performance: Walking the Samaria Gorge. Journal of Clinical Medicine, 9(1), Article 114. https://doi.org/10.3390/jcm9010114

Alcohol hangover is a potentially debilitating state. Several studies have demonstrated that it does not seem to impair strength or short-term endurance, but its effects on continuous exercise performance/long-term endurance have never been investiga... Read More about Relationship between alcohol hangover and physical endurance performance: Walking the Samaria Gorge.

Advantages and limitations of naturalistic study designs and their implementation in alcohol hangover research (2019)
Journal Article
Verster, J. C., van de Loo, A. J. A. E., Adams, S., Stock, A., Benson, S., Scholey, A., …Bruce, G. (2019). Advantages and limitations of naturalistic study designs and their implementation in alcohol hangover research. Journal of Clinical Medicine, 8(12), Article 2160. https://doi.org/10.3390/jcm8122160

In alcohol hangover research, both naturalistic designs and randomized controlled trials (RCTs) are successfully employed to study the causes, consequences, and treatments of hangovers. Although increasingly applied in both social sciences and medica... Read More about Advantages and limitations of naturalistic study designs and their implementation in alcohol hangover research.

The impact of different human-machine interface feedback modalities on older participants' user experience of CAVs in a simulator environment (2019)
Conference Proceeding
Eimontaite, I., Voinescu, A., Alford, C., Caleb-Solly, P., & Morgan, P. (2019). The impact of different human-machine interface feedback modalities on older participants' user experience of CAVs in a simulator environment. In Proceedings of the AHFE 2019 International Conference on Human Factors in Transportation (120-132). https://doi.org/10.1007/978-3-030-20503-4_11

Rapidly developing Autonomous Vehicle (AV) technology has potential to provide solutions to some of the aging population challenges, such as social isolation resulting from an inability to be independently mobile. However for AVs success, users' acce... Read More about The impact of different human-machine interface feedback modalities on older participants' user experience of CAVs in a simulator environment.

Exploring the usability of a connected autonomous vehicle human machine interface designed for older adults (2018)
Journal Article
Morgan, P. L., Voinescu, A., Alford, C., & Caleb-Solly, P. (2019). Exploring the usability of a connected autonomous vehicle human machine interface designed for older adults. Advances in Intelligent Systems and Computing, 786, 591-603. https://doi.org/10.1007/978-3-319-93885-1_54

Users of Level 4–5 connected autonomous vehicles (CAVs) should not need to intervene with the dynamic driving task or monitor the driving environment, as the system will handle all driving functions. CAV human-machine interface (HMI) dashboards for s... Read More about Exploring the usability of a connected autonomous vehicle human machine interface designed for older adults.

Why meta is better: A reply to Linden-Carmichael et al. (2018) (2018)
Journal Article
Scholey, A., Benson, S., Johnson, S., Alford, C., Godefroy, S. B., & Verster, J. C. (2018). Why meta is better: A reply to Linden-Carmichael et al. (2018). Human Psychopharmacology: Clinical and Experimental, 33(4), e2663. https://doi.org/10.1002/hup.2663

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Alcohol mixed with energy drink (AMED): A critical review and meta-analysis (2018)
Journal Article
Verster, J. C., Benson, S., Johnson, S. J., Alford, C., Godefroy, S. B., & Scholey, A. (2018). Alcohol mixed with energy drink (AMED): A critical review and meta-analysis. Human Psychopharmacology: Clinical and Experimental, 33(2), e2650. https://doi.org/10.1002/hup.2650

© 2018 The Authors Human Psychopharmacology: Clinical and Experimental Published by John Wiley & Sons Ltd. The purpose of this systematic review and meta-analysis was to critically review the (1) prevalence of alcohol mixed with energy drink (AMED)... Read More about Alcohol mixed with energy drink (AMED): A critical review and meta-analysis.

Are energy drinks unique mixers in terms of their effects on alcohol consumption and negative alcohol-related consequences? (2018)
Journal Article
Johnson, S. J., Alford, C., Stewart, K., & Verster, J. C. (2018). Are energy drinks unique mixers in terms of their effects on alcohol consumption and negative alcohol-related consequences?. International Journal of General Medicine, 11(11), 15-23. https://doi.org/10.2147/IJGM.S143476

© 2018 Johnson et al. Introduction: Previous research has suggested that consuming alcohol mixed with energy drinks (AMED) increases overall alcohol consumption. However, there is limited research examining whether energy drinks are unique in their e... Read More about Are energy drinks unique mixers in terms of their effects on alcohol consumption and negative alcohol-related consequences?.

Investigating older adults’ preferences for functions within a human-machine interface designed for fully autonomous vehicles (2018)
Journal Article
Voinescu, A., Morgan, P. L., Alford, C., & Caleb-Solly, P. (2018). Investigating older adults’ preferences for functions within a human-machine interface designed for fully autonomous vehicles. Lecture Notes in Artificial Intelligence, 10927 LNCS, 445-462. https://doi.org/10.1007/978-3-319-92037-5_32

© Springer International Publishing AG, part of Springer Nature 2018. Compared to traditional cars, where the driver has most of their attention allocated on the road and on driving tasks, in fully autonomous vehicles it is likely that the user would... Read More about Investigating older adults’ preferences for functions within a human-machine interface designed for fully autonomous vehicles.

Mapping brain activity during loss of situation awareness: An EEG investigation of a basis for top-down influence on perception (2014)
Journal Article
Catherwood, D., Edgar, G., Nikolla, D., Brookes, D., Baker, S., White, S., & Alford, C. (2014). Mapping brain activity during loss of situation awareness: An EEG investigation of a basis for top-down influence on perception. Human Factors,

Objective: The objective was to map brain activity during early intervals in loss of situation awareness (SA) to examine any co-activity in visual and high-order regions, reflecting grounds for top-down influences on Level 1 SA. Background: Behavior... Read More about Mapping brain activity during loss of situation awareness: An EEG investigation of a basis for top-down influence on perception.

Effects of mixing alcohol with caffeinated beverages on subjective intoxication: A systematic review and meta-analysis (2014)
Journal Article
Benson, S., Verster, J. C., Alford, C., & Scholey, A. (2014). Effects of mixing alcohol with caffeinated beverages on subjective intoxication: A systematic review and meta-analysis. Neuroscience and Biobehavioral Reviews, 47, 16-21. https://doi.org/10.1016/j.neubiorev.2014.07.008

It has been suggested that mixing alcohol with energy drinks or other caffeinated beverages may alter the awareness of (or 'mask') intoxication. The proposed reduction in subjective intoxication may have serious consequences by increasing the likelih... Read More about Effects of mixing alcohol with caffeinated beverages on subjective intoxication: A systematic review and meta-analysis.