This year’s Hengstberger Symposium on “Social Interaction: Neurobiological Reward Systems and their Role in Mental Health” is held from May 6th – 8th, 2019, at the IWH in Heidelberg, Germany. Uta Sailer is one of the invited speakers and will give a talk on “Affective touch – why we like it and how it affects behaviour”. Daniela M. Pfabigan will present an EEG study addressing the question “Does social interaction benefit from deterministic thinking?”.