New PDF release: The Neurology of Vision (Contemporary Neurology Series)

By Jonathan D. Trobe

ISBN-10: 0195129784

ISBN-13: 9780195129786

ISBN-10: 0198029721

ISBN-13: 9780198029724

The Neurology of Vision units out the rules and knowledge had to comprehend and deal with problems of the visible pathways within the mind. the writer divides imaginative and prescient into 3 elements. The optical part addresses the eye's skill to correctly concentration gentle at the retina. The retinocortical part converts mild into neural signs within the retina, transmitting them to the first visible cortex. eventually, the integrative part converts this easy visible info into extra advanced types. the indications and indicators, checking out tools, and illnesses of every a part of the visible process are provided utilizing this specified, structural part procedure. a last bankruptcy discusses the visible manifestations of psychiatric disturbances. The publication is seriously illustrated with over one hundred fifty fantastically rendered line illustrations, 50 radiographic mind pictures, and 60 retinal images. Case reviews with instructing questions also are integrated, to extra the reader's wisdom and try knowing.

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Additional resources for The Neurology of Vision (Contemporary Neurology Series)

Sample text

4. Troilo D. Neonatal eye growth and emmetropisation—a literature review. Eye. 1992;5:154-160. 5. Van Alphen GW. Emmetropization in the primate eye.

The majority of fibers in the optic radiations do not actually come from the LGB but from other thalamic nuclei and the visual cortex. They may play a role in visually guided eye movements and in visual attention. Primary Visual Cortex The optic radiations reach a destination in the primary visual cortex (striate cortex, V1; Fig. 1-25). 5 cm, V1 occupies between 25 and 40 cm2 of cortex. The visual field is mapped onto V1 with a magnification factor for the fixational region similar to that found in LGB.

As the optic radiations sweep around the lateral ventricle, they are pancaked along its lateral surface, medial to the corona radiata and far from the cortical mantle. Fibers from the inferior retina remain inferior and those from the superior retina remain superior. Once the optic radiations reach the ventricular trigone, the fibers are so compact that lesions often produce complete homonymous hemianopias (Fig. 1-23). Because retinal axons from the corresponding retinal regions of the two eyes lie adjacent to one another, incomplete lesions cause congruous homonymous hemianopias, in which the defects in the two hemifields are identical in size, shape, and depth (Fig.

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The Neurology of Vision (Contemporary Neurology Series) by Jonathan D. Trobe


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