This protocol describes key steps involved in assessing the sensitivity of the brain of one person to the stimulus processing of a close other by selecting pairs of partners, recording their electroencephalogram (EEG) simultaneously and computing their event-related brain potentials (ERPs).
Tardif, A., Chau-Morris, A., Wang, Z. Y., Takahara, E., Hadjis, T., Debruille, J., Debruille, J. B. How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners. J. Vis. Exp. (135), e56120, doi:10.3791/56120 (2018).