title: Clarifying the interaction types in two-person neuroscience research.
authors.affiliation: Department of Psychology, Sun Yat-Sen University Guangzhou, China.
authors.forename: Tao
authors.initials: T
authors.lastname: Liu
authors.affiliation: Department of Psychology, University of Copenhagen Copenhagen, Denmark.
authors.forename: Matthew
authors.initials: M
authors.lastname: Pelowski
keywords: competition; cooperation; hyperscanning; inter-brain synchronization; interaction type; social neuroscience