Social neuroscience and hyperscanning techniques: Past, present and future

► Hyperscanning is a technique that allows the simultaneous recording of brain activity of different subjects. ► It allows to study inter-brain correlations between cerebral activity of a group of interacting subjects as a unique system. ► Ecologic experimental designs have been adopted to create an interaction between subjects similar to real life social exchange. ► Hyperscanning is a potentially revolutionary new approach, which has not yet been used extensively in social neuroscience. ► It may provide an answer to many open questions in the study of the social brain.