Full Idea
Once a thinker has acquired a perceptually individuated concept, his possession of that concept can causally influence what contents his experiences possess.
Gist of Idea
Perceptual concepts causally influence the content of our experiences
Source
Christopher Peacocke (A Study of Concepts [1992], 3.3)
Book Reference
Peacocke,Christopher: 'A Study of Concepts' [MIT 1999], p.89
A Reaction
Like having 35 different words for 'snow', I suppose. I'm never convinced by such claims. Having the concepts may well influence what you look at or listen to, but I don't see the deliverances of the senses being changed by the concepts.