Just a couple of additions to previous replies to this post: 1. Each superior colliculus (left & right) does get info. from the contralateral visual hemifield
2. The fovea may be represented bilaterally in the cortex (i.e., the central portion of the visual fields may project to both hemispheres in parallel). I say "may" because at least one researcher has recently suggested this long-held view may be inaccurate: Lavidor, M., & Walsh, V. (2004). The nature of foveal representation. Nature Reviews Neuroscience, 5(9), 729-735. Cheers, Chris -- Christopher T. Lovelace, PhD Assistant Professor Department of Psychology, University of Missouri - Kansas City 4825 Troost, Room 111-F, Kansas City, MO 64110 Voice: (816) 235-1067, Fax: (816) 235-1062 E-mail: [EMAIL PROTECTED] http://iml.umkc.edu/psyc/faculty/lovelace/ > From: <[EMAIL PROTECTED]> > Reply-To: Teaching in the Psychological Sciences <[email protected]> > Date: Thu, 3 Mar 2005 15:14:44 -0500 (EST) > To: Teaching in the Psychological Sciences <[email protected]> > Subject: split-brain question > > Hi all, > > I had a student ask me a question in class the other night regarding > split-brain patients. Does visual information go to both hemispheres? > From pictures, it looks as though information coming into your right > visual field splits and goes to both the right and left hemisphere and > vice versa for the information coming into your left visual field. I > understand that the information still crosses by way of the optic nerve, > but it seems as though from pictures that the visual information goes to > both hemispheres, although that is not the way it is explained. > > Thank you, > Nina > > > Dr. Nina L. Tarner > 325 Math/Psychology Building > Department of Psychology > UMBC > Baltimore, MD. 21250 > 410-455-3704 > > > --- > 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]
