Dear Tipsters, This illusion is posted at the following website under afterimages. Their explanation is not detailed, but quite good. "Adaptation" is the key word!
Stuart www.sandlotscience.com Quoting J L Edwards <[EMAIL PROTECTED]>: > Hi everyone: > > A student sent this to me asking for an explanation. If you look at the > column of four dots in the center of the design for about 30 seconds and then > look away or close your eyes, you will see a circle of white light shortly > followed by an image of a person with long hair and a mustache which then > fades. > > Sensation & perception are not my area of expertise. Does this have something > to do with vision? Would it also be an example of sensory memory? Could this > also help to explain reports of "ghosts"? > > Any help in explaining this to my student (and to me) would be greatly > appreciated. > > Thanks, > > Jean Edwards > [EMAIL PROTECTED] (home) > [EMAIL PROTECTED] (work) > > > > ---------------------------------------------------- Sent via Bishop's University Webmail System http://Webmail.ubishops.ca --- You are currently subscribed to tips as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED]
