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Week 7 - Visual Motion Perception

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Questions and Answers

What area of the brain processes motion aftereffects?

V2
MT
V5 (correct)
V1

What is motion aftereffect?

An illusion caused by interocular transfer
An illusion experienced after viewing a moving stimulus and fixating on a stationary object (correct)
An illusion induced by visual adaptation in V1
An illusion experienced by viewing a stationary object for a long time

Where are cells that respond preferentially to object motion in a particular direction found?

V1 (correct)
V5
V2
MT

What is interocular transfer related to in visual motion perception?

Transfer of motion aftereffects to the other eye (B) Signup and view all the answers

In induced motion, why does a stationary or moving object appear to move differently?

As a result of other moving objects nearby in the visual field (A) Signup and view all the answers

What is the purpose of cell D in the Reichardt model of motion detection?

To delay input from neuron 1 for a brief time (A) Signup and view all the answers

In the Reichardt model, what is the role of cell X?

Multiplying input from neuron 1 by input from neuron 2 (D) Signup and view all the answers

What is the key feature that allows the Reichardt model to respond only to left → right motion?

Cell D delays input from neuron 1 (A) Signup and view all the answers

What type of motion does the Reichardt model perceive without observing real motion?

Apparent motion (D) Signup and view all the answers

Where does the global motion information pass through en route to V1?

Magnocellular layers of the LGN (B) Signup and view all the answers