[eng] Leonardo da Vinci, the Renaissance master, through his observations on behavior and visual perception, creatively developed various types of helm. / mask for an effective strategy in confronting battles. In terms of understanding the subject, thisarticlewas divided into five parts: (i) introduction; (ii) methodology, research focus,technique and units of analysis,(iii) Renaissance: leonardesque elms / masks, identification of creative strategies and recognized according to the classical and current theoretical contributions on behavior and visual perception, (iv) actuality: bataclava and the 'face-to-face' perceptionand (v) correlations on the work of Leonardo da Vinci and actuality, reflections and conclusions.