The objective of my research is to gain a comprehensive understanding of the cognitive and neural mechanisms that underlie the goal-directed actions of people from average and special populations. My research focuses on three major themes: 1) selection and decision making in action; 2) perception-action coupling, and, 3) joint action. It is my hope that once a detailed knowledge of the processes underlying behaviour has been developed, the scientific and clinical communities can work together to create the optimal rehabilitative, learning, and working conditions necessary to facilitate the performance of all members of society.