Behavioral and Brain Sciences

Open Peer Commentary
Pessoa et al.: Perceptual completion

Filling-in does require a mechanism, and some persistent doubts

Paul Whittle a1
a1 Department of Experimental Psychology, University of Cambridge, Cambridge CB2 3EB, England


(1) In the everyday situation of seeing a uniform patch on a variegated background, filling-in does seem to require a mechanism. (2) Our attempts to make matches to such a patch make us appreciate anew the elusiveness of the phenomenon.