VS131. VISUAL NEUROSCIENCE. Timothy Gawne, VS131 Coursemaster Worrell Bldg, Rm. 664 (Office) 235/236 (Lab) Office Phone: 934-5495 Lab Phone: 934-2567 Email: Tgawne@uab.edu Lectures: Monday, Tuesday, Wednesday 11-12 AM.
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Worrell Bldg, Rm. 664 (Office) 235/236 (Lab)
Office Phone: 934-5495
Lab Phone: 934-2567
Lectures: Monday, Tuesday, Wednesday 11-12 AM.
Grading: Four equally-weighted exams. THE EXAMS ARE CUMULATIVE. Your grade is the highest of the average of the four exams, or the final by itself.
No assigned text, all handouts.
-> Optical System
-> Phototransduction (rods and cones)
-> Computation ***** Largest part by far *****
Something like 1/3 to ½ of the brain required for our full visual capability.
-> Don’t really know! But learning fast – this course will be on what we have discovered so far, and as you will duly realize, it’s quite a lot.
-> One of the most fundamental and exciting problems in modern science
-> Ultimately bears on the issue of what is the mind, and what is consciousness.
-> But for now, robots that ‘see’ are still very much science fiction. A video camera can RECORD an image, but it can not understand what it means and is thus perceptually blind…
Problem: write a computer program to take an array of numbers that represent a 2D pattern of light on a retina, and have the program figure out if there is a teapot in the external scene. Nobody knows how to do this just yet.
1.2345 4.3321 1.1111 1.0191 …
2.2231 3.3341 2.0009 1.8911
0.8844 0.9812 1.2345 1.4400
3.2131 3.2341 2.1006 3.8211
1.2843 1.4812 1.5341 2.4501
-> The Neural Retina
-> Retinal Recipient Nuclei
-> Visual Cortex (the ~95% of the visual system that is not in the eye!)
-> Development (normal and abnormal)
-> Clinical Applications:
-> Visual Correlates of Central (Brain) Problems
-> Interpreting an Electroretinogram
-> Interpreting a Visual Evoked Potential (VEP)
-> Pass the boards
-> Get the basic knowledge required for a professional working with vision: the groundwork for future teaching, research, changes in the field of optometry
-> Intellectual foundation for differential diagnosis: especially visual problems not in the eyeball.
-> Background for ordering and interpreting clinical tests including the electroretinogram (ERG) and cortical visual evoked potential (VEP).