[ABSTRACT] According to DSM-IV, the generalized anxiety disorder is defined as an excessive expectation and apprehension about a wide range of events; this concern lasts longer than six months. Cognitive, physiological and motor symptoms are evidenced. The patient experiences muscular tension, fatigue, irritability, sleep disorders, heart beating, and avoidance behaviour. Also cognitive distortions, overrating the probability of the feared event or its severity, as well as underestimation of the