Reflex Contributions to the Control of Head Movement in the Lizard

Dave H.B. Wang, John H. Anderson

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

There are some tough problems in comprehending the control of head movements. The head-neck system is multijointed and the posture and the movement of the head can be controlled by distinct pairs of muscles that may subserve the same functions or help to perform a particular task. There seems to be considerable redundancy. The behavioral degrees of freedom are few, yet simple movements such as rotating the head may result from the contraction of many muscles acting in a coordinated manner manifesting the necessity for some constraints. Another problem is that different tasks may need to be performed and the organization of the sensory inputs and the motor outputs must be appropriate for a particular task, such as controlling gaze or posture or both at the same time.

Original languageEnglish (US)
Title of host publicationThe Head-Neck Sensory Motor System
PublisherOxford University Press
ISBN (Electronic)9780199847198
ISBN (Print)9780195068207
DOIs
StatePublished - Mar 22 2012

Keywords

  • Degrees of freedom
  • Head movements
  • Head-neck system
  • Motor outputs
  • Muscles
  • Sensory inputs

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