Due to essential maintenance, article purchase and book self service will be unavailable between 02:00 and 10:00 BST, on Saturday 19th August 2017 (21:00 - 05:00 EDT, 18/19 August). We apologise for any inconvenience.
Vision scientists standardly assume that the goal of vision is to recover properties of the external world. Lehar's “miniature, virtual-reality replica of the external world inside our head” (target article, sect. 10) is an example of this assumption. I propose instead, on evolutionary grounds, that the goal of vision is simply to provide a useful user interface to the external world.
Email your librarian or administrator to recommend adding this journal to your organisation's collection.
* Views captured on Cambridge Core between September 2016 - 18th August 2017. This data will be updated every 24 hours.