“…Interest in this field has grown considerably during the past twenty years and much experimental work has been done to increase the accuracy of evaluation of residual cognitive deficits and to identify the psychological sequelae of head injuries [20,21,14,42,5,7,34]. Varions'theories have been used to investigate the typical behaviors and the psychological treatment of post-traumatic syndromes [16,39,6,44,13]. It is now universally recognized that neurological damage due to head injury always gives rise to cognitive defttits and to typical behaviors both in children and in adults [12,8,28,15].…”