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 ...

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 ...

The human brain works in rhythms and cycles. These patterns occur at predictable frequencies that depend on what a person is doing and on what part of the brain is active during the behavior.