Charles, Max, Paul, and Alan are the four "non-human” primates working at INI. In an interview with Swiss radio SRF 1 Prof. Valerio Mante and animal trainer Nathalie Jobin describe how the monkeys spend their time at INI and how they are trained every day on increasingly challenging behavioral tasks.

Interview: https://www.srf.ch/news/regional/zuerich-schaffhausen/tierversuche-an-der-uni-zuerich-vier-affen-ueben-das-hirnexperiment