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]
