Vestibular Head- Eye Coordination: a Geometrical Sensorimotor Neurocomputer Paradigm#

Publisher Summary This chapter focuses on the vestibular head- eye coordination—a geometrical sensorimotor neurocomputer paradigm. Vestibulo-cerebellum attains an outstandingly high proportion of the brain in birds. Accordingly, they are masters of flying; rapidly changing their body-shape to adapt to turbulent conditions. Flight is controlled by an “on-board, real­time” neurocomputer that relies on an error-tolerant, gracefully degrading, massively parallel and therefore, fast neural network. Also, it need not rely on supercomplex software that characterizes, and causes most of the breakdowns, of present-day serial computer systems. The vestibulo-cerebellum is an integral part of gaze-stabilization systems, such as those which generate eye-movements and head-movements that compensate for displacements of the body and thus, ensure a steady gaze. Also, the pursuit and saccadic eye movement system provides the fastest and most precise biological example of target-tracking and interception. The approach of generalized coordinates intrinsic to central nervous system (CNS) function requires an anatomical data-base.

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