Motion, Depth, Position (Vision for Action 1)

7 important questions on Motion, Depth, Position (Vision for Action 1)

What are 2 different cells when talking about the aperture problem?

1. Cells that encode independent motion vectors: Suffer from aperture problem
2. Cells that combine 2 motions into a 3rd (new moition): Solved the aperture problem

Where are the component cells?

V1: Everything

In what area are the pattern cells?

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Where do 'flow field' neurons lie?

Medial Superior Temporal Lobe (MST Neurons)

What does the finger sausage show?

The images of the eye can't be fused, normally the brain suppresses one. In this case the brain doesn't and 'makes' a new object

What is strabismus & when can it happen?

Eyes are misaligned:
Causes:
- Congenital eye-muscle disorders
- Cranial Oculomotor Nerve disorders

How can you measure the difference between disparity of contrast and  actually perceived depth?

2 Stimuli different in each eye.
- Matching dots in both eyes to create a dome (Black in 1 eye = Black in other eye)
- Not matching dots in both eyes  (Black in 1 eye = White in other eye): No dome is perceived

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