Structural representations do not meet the job description challenge

Structural representations are increasingly popular in philosophy of cognitive science. A key virtue they seemingly boast is that meeting Ramsey's job description challenge. For this reason, structural appear tailored to play a clear representational role within architectures. Here, however, I claim do not meet the This because even our most demanding account their functional profile satisfied by at least some receptors, which paradigmatically fail Hence, typically associated with does identify posits. After brief introduction, present, second section paper, clarify why receptors it and highlight why, as result, should be considered representations. In third introduce what take disposal, namely G?adziejewski's account. Provided necessary background, turn from exposition criticism. first half fourth section, equate receptors. To so, show boast, matter fact, all features Since function merely causal mediators, conclude mere mediators too. make conclusion intuitive toy example. then anticipating objections my argument invites.