We have made little headway in computational psycholinguistics, which to me has always been the nub, the center, the thing that computational linguistics stood the greatest chance of providing to humanity. To build models of language that reflect in some interesting way on the ways in which people use language […] I am sorry that it has not been pursued as earnestly as I think it could but it is a difficult field and perhaps that is enough reason in itself.
Martin Kay, A Life of Language.