Question 1

What information is conveyed by the silhouette of an object?

Accepted Answer

A)  Internal structure 
B)  Texture 
C)  Bounding contour 
D)  Colour C

Question 2

The Gestalt principle of good continuation may relate to which property of natural objects?

Accepted Answer

A)  Cohesiveness 
B)  Opacity 
C)  Contour smoothness 
D)  Uniform texture C

Question 3

The Gestalt principle of similarity may relate to which property of natural objects?

Accepted Answer

A)  Cohesiveness 
B)  Opacity 
C)  Contour smoothness 
D)  Uniform texture D

Question 4

Which one of the following is not an example of one of Marr's Primal Sketch primitives?

Accepted Answer

A)  Global distance 
B)  Average size 
C)  Local orientation 
D)  Average local intensity

Question 5

If a patient can copy and match shapes normally but cannot identify objects from their images they may be suffering from

Accepted Answer

A)  Associative agnosia 
B)  Apperceptive agnosia 
C)  Optic ataxia 
D)  Hemianopia

Question 6

Which one of the following is not an example of an extrinsic factor in object recognition?

Accepted Answer

A)  Background texture 
B)  Viewpoint of the observer 
C)  Light source 
D)  Surface properties

Question 7

Which of the following is not included in the local spatial information represented in early visual processing?

Accepted Answer

A)  Position 
B)  Contrast 
C)  Shape 
D)  Orientation

Question 8

Which one of the following statements about Marr and Nishihara's (1978) theory of object processing is not correct?

Accepted Answer

A)  Generalised cones form a 2-D image representation 
B)  It is a view-independent theory of object processing 
C)  The object model is hierarchical; component parts can be decomposed into parts. 
D)  It relies on the presence of an axis of symmetry or elongation.

Question 9

Which one of the following is not classed as a 'nonaccidental' property of contours in an image?

Accepted Answer

A)  Linearity 
B)  Parallelism 
C)  Orientation 
D)  Symmetry

Question 10

Which one of the following is used in view-dependent theories of object recognition?

Accepted Answer

A)  Generalised cones 
B)  Canonical views 
C)  Structural descriptions 
D)  Geons

Question 11

The Gestalt perceptual law of common fate is associated with which one of these stimulus properties?

Accepted Answer

A)  Colour 
B)  Size 
C)  Motion 
D)  Contrast

Question 12

Which lobe of the cortex contains neurons that respond to particular views of objects?

Accepted Answer

A)  Frontal 
B)  Parietal 
C)  Temporal 
D)  Occipital

Question 13

Whose theory makes use of generalised cones?

Accepted Answer

A)  Biederman's 
B)  Marr and Nishihara's 
C)  Tarr & Bulthoff's 
D)  Ullman's

Question 14

Which one of the following is not a Gestalt law of perceptual organisation?

Accepted Answer

A)  Parsing 
B)  Proximity 
C)  Similarity 
D)  Good continuation

Question 15

Which one of the following is used in view-independent theories of object recognition?

Accepted Answer

A)  Pattern templates 
B)  Canonical views 
C)  Structural descriptions 
D)  Shape space

Question 16

Whose theory makes use of geons?

Accepted Answer