PSYC2020 Practice Questions - Tutorial content quiz 2

Question 1

What are the three components of the Pulfrich illusion?

Answer 1

1. Stereoscopic vision
2. Simple harmonic motion of the pendulum
3. The filter / lens

Question 2

What are two types of binocular disparities and what do they tell the brain?

Answer 2

Uncrossed disparity = far

Crossed disparity = close

Question 3

Why does a filter/lens change pulfich illusion?

Answer 3

Signal transduction from retina to binocular regions is FASTER for BRIGHTER

Question 4

What are monocular depth cues? 7

Answer 4

Occlusion
Retinal size (further image = smaller)
Linear perspective (parallel lines converge)
Texture gradient (far = blurred)
Shape from shading (light from above)
Light scatter (far = blue from dust/moisture)
Motion parallax (head movement)

Question 5

What are two ways affect/emotion can impact cognition?

Answer 5

Memory and attention

Question 6

How would fear-relevant stimuli affect attention?

Answer 6

More readily capture spatial attention

Question 7

how does lesioning the amygdala affect fear?

Answer 7

Interferes with learning AND expression of fear