Cortical architecture and relation to visual function Flashcards
1
Q
What are ON bipolar cells?
A
These produce an excitatory input to the IPL
2
Q
What are OFF bipolar cells?
A
These produce an inhibitory input to the IPL and they depolarise in response to decreasing or increasing illumination
3
Q
What do X cells respond to?
A
They respond to sustained illumination
4
Q
What do Y cells respond to?
A
They respond to trainsent illumination
5
Q
What is the receptive field?
A
The sum of the area in which the stimulus affects the activity of that neuron
6
Q
Where do layers 1, 4 and 6 of the LGN receive their signals from?
A
From the contralateral eye
7
Q
Where do layers 2, 3 and 5 of the LGN receive their signal from?
A
From the ipsilateral eye
