Bodily Diseases and Disorders - The loss of high-pitched...

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11. Bodily Diseases and Disorders You should be familiar with the causes and effects of the following disorders: Myasthenia gravis; multiple sclerosis (MS); Motor Neuron Disease (amyotrophic lateral sclerosis, ALS). Also you should be familiar with the causes and effects of the following sensory disorders: phantom pain, referred pain, color blindness; presbyopia and presbycusis; astigmatism; anosmia. You can get a brief understanding of these disorders by looking up their description in the last section of each of the lectures notes in your study guide or consult the index sections of your coloring book or your textbook and look for references to these disorders. Motor Neuron Disease- Astigmatism Presbyopia- as person ages, the lens of their eye loses its flexibility and therefore its ability to converge and focus(accommodation) Presbycusis- the loss of hearing that gradually occurs in most individuals as they grow older.
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Unformatted text preview: The loss of high-pitched sounds. • Agnosia- Damage to the areas of the visual cortex of the occipital lobe as well as the areas associated with the visual cortex of the brain. This leads to the problems in perceiving or understanding what is being seen. Patients cannot recognize objects when they see them, but is able to recognize through touch, feel, taste, smell and hear • Glaucoma- the vitreous humor that lies between the lens and retina cannot be drained properly due to the clogged or damaged canals and filtering ducts, thus fluid will build up inside the eye and produce elevation in pressure inside the eyeball. Too much pressure will compress and destroy retina nad optic nerves leading to blindness • • • • • • • • • • • • • •...
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This note was uploaded on 04/09/2010 for the course MCB 240 taught by Professor Meisami during the Spring '08 term at University of Illinois, Urbana Champaign.

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