Abstract
This study conducts a scientific analysis of 249 literature on the application of brain-computer technology in emotion research. We find that existing researches mainly focus on engineering, computer science, neurosciences neurology and psychology. PR China, United States, and Germany have the largest number of publications. Authors can be divided into four groups: real-time functional magnetic resonance imaging (rtfMRI) research group, brain-computer interface (BCI) impact factors analysis group, brain-computer music interfacing (BCMI) group, and user status research group. Clustering results can be divided into five categories, including external stimulus and event-related potential (ERP), electroencephalography (EEG), and information collection, support vector machine (SVM) and information processing, deep learning and emotion recognition, neurofeedback, and self-regulation. Based on prior researches, this study points out that individual differences, privacy risk, the extended study of BCI application scenarios and others deserve further research.
Highlights
In the area of organizational psychology and individual psychology, human emotion is an essential research topic and is concerning by many scholars
Our research aims to comprehensively demonstrate current academic researches on the application of brain-computer interface (BCI) in the field of emotion research through a bibliometric analysis of existing related publications
Through reading these 10 articles, we find that these articles mainly study the regulation of brain activity by real-time functional magnetic resonance imaging (fMRI), the classification of EEG data by machine learning and the identification of emotions according to EEG and so on
Summary
In the area of organizational psychology and individual psychology, human emotion is an essential research topic and is concerning by many scholars. Emotion consists of various structures (including joy, love, shame, affect, mood), and could be divided into different dimensions, e.g., approach-oriented or withdrawal-oriented emotion, pleasure or arousal emotion, and self-caused or other-caused emotion, basic or social emotion (e.g., Ashforth and Humphrey, 1995; Butt et al, 2005). It is considered as a key antecedent of cognition and perception, and strongly influences behaviors of actors. These studies have significantly improved the research field of psychology and have highly contributed to the understanding of emotional process
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