Full Idea
Three problems with Frege's idea of descriptions in the head are: reference through perception, reference through communicative chains, and reference through indexicals.
Gist of Idea
Problems with descriptivism are reference by perception, by communications and by indexicals
Source
François Recanati (Mental Files [2012], 3.1)
Book Reference
Recanati,François: 'Mental Files' [OUP 2012], p.29
A Reaction
In the end reference has to occur in the head, even if it is social or causal or whatever, so these are not problems that worry me.
Related Idea
Idea 17029 It can't be necessary that Aristotle had the properties commonly attributed to him [Kripke]