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Exp Brain Res (2004) 156: 305313 DOI 10.1007/s00221-003-1790-0
 

Summary: Exp Brain Res (2004) 156: 305313
DOI 10.1007/s00221-003-1790-0
RESEARCH ARTICLES
Robert S. Allison . Ian P. Howard . Xueping Fang
The stimulus integration area for horizontal vergence
Received: 24 May 2003 / Accepted: 17 November 2003 / Published online: 18 February 2004
# Springer-Verlag 2004
Abstract Over what region of space are horizontal
disparities integrated to form the stimulus for vergence?
The vergence system might be expected to respond to
disparities within a small area of interest to bring them into
the range of precise stereoscopic processing. However, the
literature suggests that disparities are integrated over a
fairly large parafoveal area. We report the results of six
experiments designed to explore the spatial characteristics
of the stimulus for vergence. Binocular eye movements
were recorded using magnetic search coils. Each dichoptic
display consisted of a central target stimulus that the
subject attempted to fuse, and a competing stimulus with
conflicting disparity. In some conditions the target was

  

Source: Allison, Robert - Department of Computer Science, York University (Toronto)

 

Collections: Computer Technologies and Information Sciences; Biology and Medicine