Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1999-1-29
pubmed:abstractText
We analyzed the relation between position and amplitude errors during the performance of sequences of saccades to previously memorized target positions in complete darkness. Although a complete compensation (on the average) for fixation errors was observed, groups of successive saccades could be identified which showed propagation of position errors. These groups are characterized by a long fixation time prior to the first saccade and short fixations prior to the remaining saccades. These findings indicate that sequences of eye movements can be performed in two different modes: (1) extraretinal information about the actual eye position is used to correct fixation errors; (2) pre-programmed groups of saccades with limited length can be performed with fixed amplitudes neglecting the actual eye position. These groups tended to occur predominantly at the end of a sequence.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0166-4328
pubmed:author
pubmed:issnType
Print
pubmed:volume
95
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
205-17
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
Fixation errors and timing in sequences of memory-guided saccades.
pubmed:affiliation
Center for Sensorimotor Research, Department of Neurology, Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany. ditterich@brain.nefo.med.uni-muenchen.de
pubmed:publicationType
Journal Article, Clinical Trial, Research Support, Non-U.S. Gov't