• Fitz-Ritson D

• Eye Movements
• Neck Muscles / innervation
• Psychomotor Performance / physiology
• Superior Colliculi / physiology

Pathways for visual (sensory) information into the CNS are explained. The hypothesized areas where this sensory information begins to initiate the motor program include the periarcuate area, superior colliculus, and the areas of the motor program such as the Cortex, superior colliculus and reticular formation, along with the control exerted on the systems via the cerebellum and vestibular nuclei.

The information demonstrates that the co-ordinated movements of eye-head-neck towards a goal, involves a number of parallel independently active neural centres which initiate the movements. However, there is continuous monitoring of these separate pathways by areas of the CNS in order to achieve that salient feature of the CNS, co-ordinated motion. A method of assessing the system, which will provide valuable information for the clinician and will be a rewarding area of research for the chiropractic profession is herein described.

Author keywords: visual information; eyes; motor program; periarcuate area; Superior Colliculus; Cortex; Reticular Formaion; assessment; chiropractic

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