Ch20+Figures - Eye Movements and Sensory Motor Integration...

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Eye Movements and Sensory Motor Integration
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Announcement No office hours this week W-F. (Office hours today.)
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Purpose of Eye Movements Direct image formation on the fovea Refresh images by directing image to “fresh” photoreceptors
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Figure 20.1 Eye movements of a subject viewing a photograph of the bust of Queen Nefertiti
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Box 20A The Perception of Stabilized Retinal Images
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Extraocular Muscles: Actions Actions Superior and inferior recti – eye movements along vertical axis Lateral and medial recti – eye movements along horizontal axis Superior and inferior oblique – oblique movements
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Figure 20.2 The contributions of the six pairs of extraocular muscles to eye movements
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http://www.medical- look.com/human_anatomy/organs/Ocular_muscl es.html
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Figure 20.3 Organization of the cranial nerve nuclei that govern eye movements Abducens Trochlear Oculomotor
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Types and Functions of Eye Movements Saccades Movement – demo Function rapid tracking tracking along non-moving targets like edges Ballistic if target moves during calculation time, correction can only happen through a second saccade
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Figure 20.4 The metrics of a saccadic eye movement
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Smooth Pursuit Movements Movement – demo Function – keeping an image on the fovea
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Figure 20.5 The metrics of smooth pursuit eye movements
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This note was uploaded on 11/09/2011 for the course CHEM 2341 taught by Professor Staff during the Fall '11 term at Texas State.

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Ch20+Figures - Eye Movements and Sensory Motor Integration...

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