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The competing goals of visual system design, focusing on maximizing spatial resolution and field of view while minimizing neural resources. The text delves into the importance of studying eye movements, their types, properties, and control mechanisms. Eye movements are crucial as they determine what we see, are tightly linked to perception and cognition, and are one of the best-understood systems in terms of anatomy, physiology, and computations.
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Why study eye movements
terms of anatomy, physiology and
computations
•Saccadic Movements: –Scanning movements where the gaze is abruptly shifted from one point to the next: conjugate, ballistic, no visual feedback
•Vergence Movements: –Cooperative movements that keep both eyes fixed on the target; converge or diverge
•Pursuit movements: –Smooth tracking movements that keep an object’s image fixed in place on the retina
•Vestibulo-Ocular Reflex (VOR) –Stabilize image during head and body movements
•Micro movements –Tremor, drift, microsaccades