Science Quiz / Chapter 10

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Can you name the Chapter 10?

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region of occipital cortex where 90% of visual info arrives, 2 receptive fields
focuses image on the retina
receptive surface inside back of eye, contains photoreceptors and other neuron cells
central portion of retina packed w/most photoreceptors. mainly cones. sharpest vision
photopigments in rods that are extremely sensitive to light
ganglion cell that receives input from midget bipolar cells and cons
visual area that responds to basic geometric shapes and faces
contracts pupil to let more or less light in
receptive fields: depolarization in response to glutamate from photoreceptors
specialized retinal cells that connect photoreceptors to bipolar cells
photopigment part:
ganglion cell that receives input from diffuse bipolar cells and rods
theory: combinations of the 3 opsins in cones represent a certain color
contracted by iris to let more or less light in
anatomy of retina (outer to inner)
bending of light rays by the lens and cornea
wavelengths not felected by an object is it's...
wave and particle that is light, electromagnetic radiation
2 theories required for color vision
bipolar cell that receives info from 50 rods
photoreceptor:
bipolar cell that receives info from a single con
eye is too long, light focuses in front of retina, nearsightedness
region w/out receptor cells where the optic nerve and blood vessels exit the eye, blind spot
V1 2 receptive fields
HintAnswer
eye is too short, light focuses behind retina, farsightedness
acuity depends of the size of the...
photopigment part:
where in axons of optic nerve terminate, has 6 layers
visual area that responds to line features and contours
around 50 rods connect to single diffuse bipolar cell
nerve II, made of ganglion axons
sensitivity and color depend on the...
receptive fields: hyperpolarization in response to glutamate from photoreceptors
specialized retinal cells that connect bipolar cells to ganglion cells
photopigments in cons that are insensitive to light
system that operates at low levels of light, involes rods
cells in V1 that tune to lines of various angles
photoreceptor:
 
interneurons of the retina that receive info from bipolar cells, axons from optic nerve
visual areas that respond to motion
system that operates at high levels of light and involes the cones,
theory: 3 opsins in cones must be in ooposition of one another on receptive fields to be processed
interneurons of the retina that receive info from rods and cones
cells in V1 that process general orientation of lines at certain angles at certain motions
transparent outer layer of eye whose curvature is fixed, it bends light rays and forms the image onto the retina
why transduction is backwards
Visual pathway
every cell in a ....... will respond to a specific orientation of a line as it is rotated 10-15 degrees

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Created Nov 15, 2009ReportNominate
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