Lecture 16

Question 1

What is the difference in sensors in technical systems compared biological organisms?

Answer 1

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Question 2

What is the difference between the systems which control manoeuvrability in jet fighters and in flies? What are the properties of this?

Answer 2

qweqwe

Question 3

What is a key feature of biological information processing?

Answer 3

werwer

Question 4

What is the closed-loop nature of sensorimotor control? What are the different steps?

Answer 4

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Question 5

What affects the closed-loop of sensorimotor control? How does it affect it?

Answer 5

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Question 6

What are the different sensors measuring state changes in flies?

Answer 6

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Question 7

What are the similarities between all of the different sensors measuring state changes in flies? What are the general properties?

Answer 7

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Question 8

What do neuronal matched filters do? What is an example?

Answer 8

wqeqwe

Question 9

Why does the fly need 2x10 matched filters to cover horizontal rotations?

Answer 9

wqeqwe

Question 10

What is the exact orientation of these horizontal rotation axes?

Answer 10

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Question 11

What are natural modes of motions? What is an example?

Answer 11

qweqwe

Question 12

What is a Dutch roll? What are the properties? What could the problem be?

Answer 12

weqwe

Question 13

What does the approximation of the Dutch roll look like? What would happen at different phases of this optic field?

Answer 13

wqeqwe

Question 14

What happens in the different phases of the Dutch roll in the VS cells? However what criteria needs to be fulfilled?

Answer 14

erwer

Question 15

As there are more axes there, what can they do?

Answer 15

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Question 16

How does the variance of the response change depending on the strength/direction of the stimulus?

Answer 16

werw

Question 17

Why does this occur?

Answer 17

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Question 18

What is the consequence of this occurring?

Answer 18

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Question 19

What are the benefits of sensing the modes of motion? What does it do?

Answer 19

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Question 20

What are the different states in a fly which affect the way in which visual motion is processed in biological systems?

Answer 20

wqeqe

Question 21

What is a fundamental constrain in sensorimotor control and visual motion processing?

Answer 21

wqeqe

Question 22

What is the motion vision pathway processing dependent on? What is the experiment set up to show this?

Answer 22

wqeq

Question 23

What were the results of this experiment? What did it show?

Answer 23

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Question 24

Why does it make sense that the movement of the fly has an impact on the processing of the optic flow?

Answer 24

werwe

Question 25

What is the difference in sensitivity to higher temporal frequencies in walking flies and stationary flies? Why does this difference occur?

Answer 25

wqeqe

Question 26

What is the modulation of the temporal frequency tuning dependant on? What was the experiment done to show this?

Answer 26

wqeqw

Question 27

What did the experiment show? What was actually happening to the fly and where was the energy showing?

Answer 27

wqeq

Question 28

Which state is therefore more important when affecting vision motion processing?

Answer 28

weqwe

Question 29

How does state-dependant information processing minimise energy expenditure?

Answer 29

qweqew

Question 30

How do the actions between the compound eyes and the halteres differ?

Answer 30

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Question 31

How does the transfer functions symbolising the haltere system work?

Answer 31

wqewe

Question 32

What is the speed property of the haltere system?

Answer 32

wqeqwe

Question 33

What happens in a very fast whole body rotation of a fly in the haltere and compound eye systems?

Answer 33

qwewe

Question 34

Why is the haltere system a benefit for the compound eye system?

Answer 34

werwer

Question 35

What are the two components of the controller system? How do they interact?

Answer 35

wqewq

Question 36

What happens to the system when there is no compensation happening? What happens if the halteres and compound eyes are both intact? What happens if the halteres are removed?

Answer 36

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Question 37

What does this show?

Answer 37

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Question 38

What is the summary of the whole lecture? What is he dynamic range fractioning and the strategy of the 2 Degree of Freedom control?

Answer 38

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