Abstract
Neuroergonomics is an emerging field that investigates the human brain about behavioral performance in natural environments and everyday settings. This study investigated the body and brain activity correlates of a typical daily activity, hot beverage preparation, and consumption in a realistic office environment where participants performed natural daily tasks. Using wearable, battery operated and wireless Electroencephalogram (EEG) and Electrodermal activity (EDA) sensors, neural and physiological responses were measured in untethered, freely moving participants who prepared hot beverages using two different machines (a market leader and follower as determined by annual US sales). They later consumed the drinks they had prepared in three blocks. Emotional valence was estimated using frontal asymmetry in EEG alpha band power and emotional arousal was estimated from EDA tonic and phasic activity. Results from 26 participants showed that the market-leading coffee machine was more efficient to use based on self-reports, behavioral performance measures, and there were significant within-subject differences in valence between the two machine use. Moreover, the market leader user interface led to greater self-reported product preference, which was further supported by significant differences in measured arousal and valence (EDA and EEG, respectively) during coffee production and consumption. This is the first study that uses a multimodal and comprehensive assessment of coffee machine use and beverage consumption in a naturalistic work environment. Approaches described in this study can be adapted in the future to other task-specific machine usability and consumer neuroscience studies.
Highlights
Neuroergonomics is a multi-disciplinary field that aims to enhance technologies and work environments in terms of safety, effectiveness, and functionality (Ayaz and Dehais, 2019)
We aim to demonstrate the feasibility of brain and body measurements for assessing the effectiveness of an everyday device, a single-serve coffee machine
We investigated the effect of two single-serve coffee machine user interfaces on consumer experience using mobile EEG and Electrodermal activity (EDA)
Summary
Neuroergonomics is a multi-disciplinary field that aims to enhance technologies and work environments in terms of safety, effectiveness, and functionality (Ayaz and Dehais, 2019). Neuroergonomics research objectives include understanding neural and physiological factors as they contribute to the real-world task performance, training, and acquisition of new skills concerning work and everyday activities (Parasuraman, 2011; Ayaz et al, 2013; McKendrick et al, 2015). While both neuroscience and human factors research has previously avoided using an active. Being able to study consumers in naturalistic environments could generate a better understanding of consumers’ behavior and preferences
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