Percent Change in Membrane Potential

1
Flashlight
Electrode
Sheet of Photoreceptors (rods and cones)
Percent Change in Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
2
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3
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4
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5
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6
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7
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8
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9
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10
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14
No Responses in Rest of Visual Field
Only Responses in This Part of the Visual Field
15
BLUE CONE
GREEN CONE
RED CONE
16
BLUE CONE
GREEN CONE
RED CONE
17
BLUE CONE
GREEN CONE
RED CONE
18
BLUE CONE
GREEN CONE
RED CONE
19
No Light
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
20
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
21
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
22
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
23
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
24
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
25
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
26
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
27
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
28
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
29
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
30
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
31
How does the RGC know what to respond to? (How
does it get that receptive field?)
Answer 1. What cells project to it 2. How those
inputs are summed together
Retinal Ganglion Cell (RGC)
Sheet of Photoreceptors (rods and cones)
Membrane Potential
Area out in the world in front of the subject
(the Sensory Field).
Time
32
What Kinds of RGC receptive fields are there and
why do they have this center-surround shape?
33
BLUE CONE
GREEN CONE
RED CONE
34
RED CONE
RED-ON GRN-OFF RGC
GREEN CONE
RED CONE
35
Where Does Yellow Come From?