A rising number of university students globally are currently being diagnosed with mental health problems, and previous research suggests that insufficient social support plays a significant role in the development of mental illnesses, such as symptoms of depression and stress. Recent research indicates that 2.6% of young people worldwide experience depression, which is often associated with insufficient social interactions, challenges in emotional regulation, and unhealthy social relationships. These challenges may further impact their educational attainment, mental well-being, and quality of life. To address the impairment of mental health problems and its related influence on youths and their families, researchers, psychiatrists, and clinical therapists have been exploring innovative treatment approaches. Music therapy is one of these approaches.
In recent years, researchers have shifted their focus from simply demonstrating the effectiveness of music therapy treatment toward a deeper exploration of the underlying mechanisms of music used in these interventions. The field of research on Interbrain Synchronization (IBS) offers valuable insights into the intricate neural activities occurring across different brains and brain regions during human interaction. Hyperscanning, a widely-used method for studying interbrain synchronization, refers to the simultaneous measurement of brain activity in two or more individuals who are interacting with each other through various techniques, such as functional magnetic response imaging (fMRI), electroencephalography (EEG), magnetoencephalography (MEG), and functional near-infrared spectroscopy (fNIRS). The use of hyperscaning methods during clinical music therapy sessions may provide the opportunity to understand how music interventions affect the neural connections between therapist and client during a real clinical environment. However, a limited number of studies specifically examine this phenomenon within the unique setting of music therapy.
This study aims to bridge the gap between neuroscience, clinical music therapy, social relationships, and mental health by investigating the effects of EEG interbrain synchronization in undergraduate students. It seeks to explore further the connections between music, the brain, and psychological well-being, aiming to understand the underlying neurological mechanism.
This current study will adopt a 2-arm randomized controlled design comparing therapeutic songwriting (experimental condition) with non-therapeutic music listening and discussion (control condition). To address the research objectives, this study will track psychological and neurophysiological changes across four individual sessions through a combination of repeated measures. Participants and music therapists will wear synchronized EEG caps during each session to capture interbrain dynamics, while participants complete post-session therapeutic relationship and satisfaction ratings. Mental health outcomes will be assessed using standardized questionnaires administered at baseline (pre-intervention) and immediately following the final session (post-intervention). This multi-method approach integrates: 1) temporal tracking of psychological changes (both immediate session-level effects and cumulative intervention effects), 2) objective neurophysiological data on therapeutic rapport, and 3) subjective evaluations of the therapeutic process, collectively provide a multidimensional understanding of music therapy mechanisms.
