perception pt 3

Question 1

what is the oblique effect?

Answer 1

people can perceive verticals and horizontals more easily than other orientations

Question 2

what is the light-form -above assumption?

Answer 2

light casts shadows from above, providing specific information about depth and distance

Question 3

semantic regularities

what is the scene schema?

Answer 3

the knowledge of what a given scene ordinarily contains

Question 4

what does our perception use to explain our surroundings?

Answer 4

both bottom up, stimulus based and top down exprience-based processes are nesessary to explain perception

Question 5

what is bayesian inference?

Answer 5

your conclusion should depend on both your prior beliefs and current evidence

Question 6

what did Gestalt psycholgiests emphasize?

Answer 6

the build in nature of their laws, modern psychologiests have continued to identify regularities in the environment, with an emphasis on how they have been learned from experience

regularities can be physical (light, colour)
or semantic (meaning, puropse, function)

Question 7

what is P(H)?

Answer 7

Prior prob

how likely is hypothesis H before considering the evidence

Question 8

what is P(E|H)/P(E)?

Answer 8

Likelihood

how likely is the evidence E, given the hypothesis H, compared to how likely the evidence E is overall

Question 9

what is P(H|E)?

Answer 9

posterior prob

how likely is hypothesis H given the evidence ?

Question 10

what is higher level perception combine?

Answer 10

in addition to combining past experience with current sensation we consider both WHAT and object is and WHERE and object is

Question 11

what does damage to the where pathway cause?

Answer 11

Balint’s syndrome

disorder of space exploration and space cognition

a cluster of co-occuring visuomotor and visuospatial disturbances

results from bilateral posterior parietal damage

Dorsal stream