In "Situated Action: A Symbolic Interpretation" Vera and Simon wrote: " ... the systems usually regarded as exemplifying Situated Action are thoroughly symbolic (and representational), and, to the extent that they are limited in these respects, have doubtful prospects for extension to complex tasks" Vera and Simon (1993) also claimed that the information processing view is supported by many years of research in which symbol systems simulated "broad areas of human cognition" and that there is no evidence of cognition without representation.