“…< out of several mazes that are presented in increasing difficulty, and it gives two scores that reflect distinct cognitive features: the test age (TA), that is calculated from the total number of mazes successfully completed, can be considered as an intelligence measure (Porteus, 1965); and the qualitative score (Q score), that is the result of the various types of errors the subject has committed in each maze, can be used as a measure of impulsivity, social adaptation abilities and delinquent behaviour (Brill, 1937;Docter & Winder, 1954;Porteus, 1965). Overall, Porteus Maze Test is a good measure of executive functions (Krikorian & Bartok, 1998) that assesses planning and foresight (Lezaket al, 2004), and the Q score can differentiate patients with frontal lesions from patients with other brain injuries (Stuss et al, 1984).…”