chance-04.22 - NEUROBIOLOGY & BEHAVIOR BIO SCI N110...

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NEUROBIOLOGY & BEHAVIOR BIO SCI N110 Spring Quarter 2009 Section #2: Sensory Systems Frances Chance frances.chance@uci.edu Office hours: Tuesday, 2-3 pm 1232 McGaugh Hall
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Noteboard: https://eee.uci.edu/toolbox/messageboard/m8398/f20331/ Lecture Notes: https://eee.uci.edu/09s/06000/drchance note: lecture notes are not intended to be a substitute for coming to class
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Systems Neuroscience Wednesday April 22 Visual system: the eye Friday April 24 Visual system: retina Monday April 27 Visual system: beyond the eye Wednesday April 29 Auditory system: the ear Friday May 1 Auditory system: brainstem and cortex Monday May 4 Olfactory system Wednesday May 6 Somatosensory System Friday May 8 Plasticity of Neural Circuits Monday May 11 Motor Control Wednesday May 13 Exam 2
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The Eye I. Anatomy II. Focusing images III. Eye problems IV. Retina (part I) photoreceptors specialization of the fovea for detailed vision color vision and color-blindness
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10.1 Anatomy of the human eye.
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lens only makes minor focusing adjustments Most light refraction is done by the cornea
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10.2 Anterior part of the human eye in the unaccommodated (left) and accommodated (right) state.
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To focus on near objects, more refraction needed Tension on lens relaxes to produce more accomodation
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Far away objects require less refraction Tension is increased on the lens, flattening it, to see far away objects
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CATARACTS RISK FACTORS age (50% of adults > 65 yrs old) UV light smoking eye injury TREATMENT surgery
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GLAUCOMA
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chance-04.22 - NEUROBIOLOGY & BEHAVIOR BIO SCI N110...

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