CAO CODE: MH209 Although first year students do not take Psychology, they participate in a mandatory mentoring system, which is organised by the Department of Psychology. This scheme is designed to introduce students to the discipline of Psychology and to familiarise themselves with the Psychology Department and its staff. As part of this scheme, students have the option of attending any of the lectures. In first year, students must take Mathematics and three subjects from Biology, Chemistry, Computer Science, Experimental Physics and Mathematical Physics. In Second year, students take Psychology and two other science subjects. Students take Psychology only in third and fourth year.