Sites on enactive perception

An array of vibrators subsutitute for vision through the eyes (source: Bach-y-Rita et al). The vibrators are held against the stomach - the strength of their vibration varies according to the brightness of pixels on a TV camera, worn on the subject's head.
Experience Without the Head
Key papers from Alva Noƫ, professor of philosophy at the University of California, Berkeley.
Primer on enactive perception
A useful introduction, some great demos and papers from Kevin O'Regan et al, including references to recent work on sensory substitution.
Putting the brakes on enactive perception
A challenge to the above by Jesse Prinz, 2006
Tactile sensory-substitution studies by Bach-y-Rita et al
Includes a device that lest you 'see' through your tongue. This work demonstrates the plasticity of the brain and our ability to adapt to novel sensorimotor contingencies.