A controlled randomized study will be carry out with two groups: patients receiving treatment as usual plus CRT, and patients receiving treatment as usual (TAU). The independent variable is the cognitive remediation treatment. The CRT will be applied according to the manual of Wykes and Reeder (2005). The program has a duration of 40 sessions, with two session for week. It is carried out individually and utilizes paper and pencil tasks. The main technique utilized is the scaffolding in a context of learning without errors.