This Exploratorium activity shows how small, fuzzy objects can disappear from view in the absence of eye movement. The site contains instructions for the activity, an explanation of the change in perception, and...

One of eighteen quizzes on neuroanatomy accompanying the HyperBrain tutorial. The quizzes require the free Macromedia Flash player plugin. Illustrations modified from "Neuroanatomy - An Atlas of Structures, Sections, and...

Peter Kaiser, an emeritus professor at York University, created this website about visual perception to supplement curriculum. After reading the introduction describing how to best utilize the materials, students and...

From the John Moran Eye Center at the University of Utah, WebVision (first reported on in the August 9, 2002, NSDL Scout Report for Life Sciences) is an extensive hypertext that attempts "to summarize the recent advances...