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most posterior part of the eye
turning environmental information into signaling that neurons in your brain can use
where you get accurate vision
detect light (black & white)
high sensitivity (need little light to fire)
detailed vision and color
low sensitivity with high acuity
Rods and cones make up ___ ___
Release from Inhibition
letting the bipolar cell get an action potential
- rhodopsin closing of cation channels - 2nd messenger
in complete darkness, photo receptors fire like crazy (cation channels are stuck open)
rate at which a neuron fires if left undisturbed (without input)
Ganglion cells are about ___ NOT location.
Ganglion cells are responsible for specific areas of the ___ ___
onset neuron fires when a light is ___. An offset neuron fires when the light is ___. A neuron that is either onset or offset detects ___ in light and will NOT fire if the light is ___.
Responsible for color perception
light sensitive protein that changes its shape when hit by light
Ganglion cells ___ the 4 color neurons ... it's NOT just about the activity of an individual cell. Which one is firing __.
contains everything necessary for proessing vision
- processes everything visual for specific parts of the external world
where things are in compsrion to other objects based on overlap in the visual field
objects get larger on the retina as they get closer