Interactions between eye and head control signals can account for movement kinematics

Advances in understanding the neural control of saccades (visual orienting movements made when the head is prevented from moving) stem largely from early modeling efforts which provided a framework for developing and testing hypotheses about the relationships between neural activity and observed beh...

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Bibliographic Details
Published in:Biological cybernetics 2001-06, Vol.84 (6), p.453-462
Main Author: Freedman, E G
Format: Article
Language:English
Subjects:
Animals
Biomechanical Phenomena
Computer Simulation
Control systems
Cybernetics
Eye
Eye movements
Eyes
Fixation, Ocular - physiology
Fovea Centralis - physiology
Haplorhini
Head
Head Movements - physiology
Humans
Kinematics
Mathematical models
Models, Neurological
Motor ability
Movement
Neck - physiology
Neurology
Progressions
Reflex - physiology
Reflex, Vestibulo-Ocular - physiology
Saccades - physiology
Visual
Visual Fields - physiology
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Summary:Advances in understanding the neural control of saccades (visual orienting movements made when the head is prevented from moving) stem largely from early modeling efforts which provided a framework for developing and testing hypotheses about the relationships between neural activity and observed behaviors. When the head is free to move, visual orienting is often accomplished with coordinated movements of the eyes and head. A recent description of the temporal progression (i.e., kinematics) of these movements led to the hypothesis that eye and head control signals interact. This hypothesis is now formalized as a control systems model which accounts for existing data and makes explicit predictions about the neural control of orienting gaze shifts.
ISSN:0340-1200
1432-0770
DOI:10.1007/PL00007989