Abstract：
:An adaptive mechanism controls the strength of innervation to the two eyes independently. However, under some circumstances an adjustment in strength of innervation to one eye is generalized to the other. The coupling and uncoupling of the two eyes during saccadic motor learning was studied using the technique of intrasaccadic target displacements to provide a precise visual-motor error proportional to the commanded movement. Early adaptive changes (saccade plus fast vergence) were measured within the saccadic interval and late adaptive changes (vergence error) were measured after the saccadic interval. When one viewing eye was retrained using intrasaccadic displacements, saccadic amplitude changes generalized to the other nonviewing eye. Thus, rapid adaptive changes trained monocularly were transferred to the nonviewing eye. But when two eyes were viewing and an adaptive stimulus was provided to only one eye (binocular viewing-monocular training), adaptive changes also occurred in both eyes. Experiments described here suggest that the recalibration of the saccade occurs quickly as a conjugate adjustment of gain which is used to balance innervation to the two eyes. Thereafter, disconjugate mechanisms provide a further recalibration to each eye independently.
journal_name
Vision Resjournal_title
Vision researchauthors
Albano JE,Marrero JAdoi
10.1016/0042-6989(95)00079-tsubject
Has Abstractpub_date
1995-12-01 00:00:00pages
3439-50issue
23-24eissn
0042-6989issn
1878-5646pii
0042-6989(95)00079-Tjournal_volume
35pub_type
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