Multi-person fNIRS as a bridge between populations – Insights into intergenerational relationship development

Longitudinal inter-generational study designs allow evaluation of the relationship differences between the same or different generations. Pairs of participants (young adult + senior or two young adults) engaged in collaborative art and cognitive tasks across six weekly sessions. We measured brain activity using fNIRS, body movements using video-based motion capture, as well as behavioral and qualitative aspects of the real-world experience. This research sheds light on how budding relationships may be supported by the emergence of motor synchrony and inter-brain synchrony over time.