This study evaluated the effects of non-explicit audiovisual instructions on feeding behaviour. Five adults between 19 and 24 years-old participated as subjects, which were exposed at nutritional (fruit and water) or no nutritional (chips and soda) foods during two experimental phases. Subjects were videotaped and exposed to two video programs in different phases. In the first phase, subjects were exposed to a musical video, in the second phase subjects were exposed to a program about health eating habits. The results showed that non-explicit audiovisual instructions modified feeding behaviour. However, will be necessary evaluate if these modification could persist for longer time. Key words: feeding behaviour, consumption, instruction, human.Este estudio evaluó los efectos de las instrucciones no explícitas sobre la conducta alimentaria. Participaron cinco jóvenes entre los 19 y 24 años, a quienes se les observó durante dos fases experimentales a dos tipos de alimento nutricional (fruta y agua) y no nutricional (papas fritas y refresco). Los participantes fueron f lmados en dos programas de video. En la primera fase se grabaron videos musicales y en la segunda, un documental sobre hábitos alimentarios saludables. Los resultados mostraron que las instrucciones no explícitas modificaron la conducta alimentaria. Sin embargo, es necesario evaluar si estas modificaciones persisten a largo plazo.Palabras clave: conducta alimentaria, consumo, instrucción, humanos.