GENERATION OF TORSIONAL AND VERTICAL EYE POSITION SIGNALS BY THE INTERSTITIAL NUCLEUS OF CAJAL

被引:184
作者
CRAWFORD, JD [1 ]
CADERA, W [1 ]
VILIS, T [1 ]
机构
[1] UNIV WESTERN ONTARIO,DEPT OPHTHALMOL,LONDON N6A 5C1,ONTARIO,CANADA
关键词
D O I
10.1126/science.2047862
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The neural integrator, which converts eye velocity signals into position signals, is central to oculomotor theory. Similar integrators are probably necessary in any neural system that changes and maintains muscular tension. The integrator for horizontal eye position is in the pons, but the locations of the vertical and torsional integrators have not been clearly defined. Recording three-dimensional eye movements in alert monkeys during microstimulation and pharmacological inactivation of midbrain sites showed that the interstitial nucleus of Cajal generates both the torsional and vertical eye position signals. Up and down signals are linked with clockwise signals in the right brain and counterclockwise signals in the left brain. This three-dimensional coordinate system achieves orthogonality and bilateral symmetry without redundancy and optimizes energy efficiency for horizontal visual scanning.
引用
收藏
页码:1551 / 1553
页数:3
相关论文
共 18 条
[1]   CHANGES IN THE VERTICAL VESTIBULO-OCULAR REFLEX DUE TO KAINIC ACID LESIONS OF THE INTERSTITIAL NUCLEUS OF CAJAL [J].
ANDERSON, JH ;
PRECHT, W ;
PAPPAS, C .
NEUROSCIENCE LETTERS, 1979, 14 (2-3) :259-264
[2]  
BUTTNERENNEVER JA, 1988, NEUROANATOMY OCULOMO, P137
[3]   LOSS OF THE NEURAL INTEGRATOR OF THE OCULOMOTOR SYSTEM FROM BRAIN-STEM LESIONS IN MONKEY [J].
CANNON, SC ;
ROBINSON, DA .
JOURNAL OF NEUROPHYSIOLOGY, 1987, 57 (05) :1383-1409
[4]   DISABLING OF THE OCULOMOTOR NEURAL INTEGRATOR BY KAINIC ACID INJECTIONS IN THE PREPOSITUS VESTIBULAR COMPLEX OF THE CAT [J].
CHERON, G ;
GODAUX, E .
JOURNAL OF PHYSIOLOGY-LONDON, 1987, 394 :267-290
[5]   AXES OF EYE ROTATION AND LISTING LAW DURING ROTATIONS OF THE HEAD [J].
CRAWFORD, JD ;
VILIS, T .
JOURNAL OF NEUROPHYSIOLOGY, 1991, 65 (03) :407-423
[6]   A QUANTITATIVE-ANALYSIS OF THE SPATIAL-ORGANIZATION OF THE VESTIBULO-OCULAR REFLEXES IN LATERAL-EYED AND FRONTAL-EYED ANIMALS .1. ORIENTATION OF SEMICIRCULAR CANALS AND EXTRAOCULAR-MUSCLES [J].
EZURE, K ;
GRAF, W .
NEUROSCIENCE, 1984, 12 (01) :85-93
[7]   BRAIN-STEM CONTROL OF SACCADIC EYE-MOVEMENTS [J].
FUCHS, AF ;
KANEKO, CRS ;
SCUDDER, CA .
ANNUAL REVIEW OF NEUROSCIENCE, 1985, 8 :307-337
[8]  
FUKUSHIMA K, 1990, EXP BRAIN RES, V79, P43
[10]   VERTICAL EYE MOVEMENT-RELATED RESPONSES OF NEURONS IN MIDBRAIN NEAR INTERSTITIAL NUCLEUS OF CAJAL [J].
KING, WM ;
FUCHS, AF ;
MAGNIN, M .
JOURNAL OF NEUROPHYSIOLOGY, 1981, 46 (03) :549-562