That was my guess, but I was not sure... thanks! At 02:42 PM 02/20/2002 -0600, you wrote: >A short answer would be the rapid and substantial bleaching of the >photopigments in the receptors in the retina. The afterimage fades as the >photopigments are regenerated. >-- >Doug Wallen, Psychology Dept. (507) 389-5818 >Minnesota State University, Mankato [EMAIL PROTECTED] >23 Armstrong Hall >Mankato, MN 56001 > > > From: Stephen W Tuholski <[EMAIL PROTECTED]> > > Reply-To: "Teaching in the Psychological Sciences" > <[EMAIL PROTECTED]> > > Date: Wed, 20 Feb 2002 14:07:39 -0600 > > To: "Teaching in the Psychological Sciences" <[EMAIL PROTECTED]> > > Subject: vision question > > > > > > > > Here's a question for you bio people... > > > > I was talking about the visual system today, and a student ask why we see > > afterimages after a flash of bright light (like a camera flash). Does > > anyone have a good bio explanation? > > > > Thanks in advance... > > > > Steve > > > > > > --- > > You are currently subscribed to tips as: [EMAIL PROTECTED] > > To unsubscribe send a blank email to [EMAIL PROTECTED] > > >--- >You are currently subscribed to tips as: [EMAIL PROTECTED] >To unsubscribe send a blank email to [EMAIL PROTECTED]
**************************************************************** Stephen W. Tuholski Ph.D. Asst. Professor Dept. of Psychology Southern Illinois U. at Edwardsville Edwardsville IL 62026 Phone: 618 650 5391 Fax: 618 650 5087 http://www.siue.edu/~stuhols "Most people would sooner die than think; in fact, they do so." - Bertrand Russell *************************************************************** --- You are currently subscribed to tips as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED]
