In a new study forthcoming in the May 2006 issue of The American Naturalist, researchers from the California Institute of Technology explore the hypothesis that human visual signs have been ...

Visual sign pollution is a problem that unknowingly affects most people. Visual pollution occurs through human-made visual blockades obstructing the view of the natural surroundings. Visual sign ...

Single neurons in the primate cortex associate numerical meaning with visual signs, thus providing insight into precursor mechanisms of human symbol acquisition. Single neurons in the primate cortex ...

Multicentre prospective study undertaken in 20 acute Trust hospitals. Stroke survivors referred with suspected visual difficulty were recruited. Standardised screening/referral and investigation forms ...

In a new study forthcoming in the May 2006 issue of The American Naturalist, Mark A. Changizi and his coauthors, Qiang Zhang, Hao Ye, and Shinsuke Shimojo, from the California Institute of Technology ...