Matt Matravers gave the keynote address at the Faculty of Law, University of Chile as part of a seminar on ‘Intellectual, cognitive and psychosocial disability before the law’. The seminar was the concluding session of a ‘Week of Inclusion’ at the University. Matt’s talk was based on research done by Paul Skowron, presented under the title, ‘Substituted decision making, supported decision making, and what makes a life go better.’