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Vision No.4

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WarmheartedStarfish
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What is the term called when we let our eyes follow the movement of light.

Tracking

Sherrington proposed

We monitor the movement of our eye muscles

There are routes to perceiving movement: retinal movement system and eye-head movement system

True

In Helmholtz model what is the term used when we take a copy of the signal to move our eyes?

<p>Efferent copy or collorary discharge</p> Signup and view all the answers

Helmholtz proposed that we compare signals from the brain and eye muscle movement rather than retinal image motion and eye muscle movement (Sherrington's model)

<p>True</p> Signup and view all the answers

What happens when we stare at the same motion for a period of time?

<p>A direction specific threshold is reached.</p> Signup and view all the answers

Why do people drive faster in foggy conditions?

<p>Reduction in contrast lead to perceiving that we are driving slower.</p> Signup and view all the answers

What is apparent motion?

<p>Stationary images presented in a rapid succession lead to the brain interpreting them as smooth motion</p> Signup and view all the answers

Where does V5 (MT) receive motion information?

<p>Magnocellular layers of the LGN</p> Signup and view all the answers

Experiments using the optokinetic drum measures

<p>Vection</p> Signup and view all the answers

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