Question 1

Why is it faster to categorise a scene as natural or man-made than as indoor or outdoor?

Accepted Answer

The speed at which we can categorize a s

Question 2

'Grey-out' of the image of a room occurs around the time of a saccade when:

Accepted Answer

A)  The illumination is turned on for as long as the saccade lasts 
B)  The illumination is turned on for 5 ms at some point during the saccade 
C)  The illumination is turned on when the saccade begins and is left on for 40 ms after the saccade has ended 
D)  The illumination is turned on 40 ms before the saccade begins and is left on for 40 ms after the saccade has ended 
A)  The illumination is turned on for as long as the saccade lasts 
B)  The illumination is turned on for 5 ms at some point during the saccade 
C)  The illumination is turned on when the saccade begins and is left on for 40 ms after the saccade has ended 
D)  The illumination is turned on 40 ms before the saccade begins and is left on for 40 ms after the saccade has ended

Question 3

When there is no clear distance information in a scene, observers perceive the distance of an object to be about:

Accepted Answer

A)  50 cm 
B)  3 m 
C)  10 m 
D)  20 m 
A)  50 cm 
B)  3 m 
C)  10 m 
D)  20 m

Question 4

What is the oblique effect, and how is it to be explained?

Accepted Answer

The oblique effect refers to the phenome

Question 5

Categorization of scenes is faster, when the categorization is:

Accepted Answer

A)  Natural vs man-made 
B)  Indoor vs outdoor 
C)  Beach vs mountain 
D)  Dog vs horse 
A)  Natural vs man-made 
B)  Indoor vs outdoor 
C)  Beach vs mountain 
D)  Dog vs horse

Question 6

Huang et al. showed that, in natural scenes, objects were more likely to be above rather than below the horizontal line of sight beyond a distance of:

Accepted Answer

A)  5 m 
B)  10 m 
C)  2 m 
D)  20 m 
A)  5 m 
B)  10 m 
C)  2 m 
D)  20 m

Question 7

Image regions which are fixated tend not to:

Accepted Answer

A)  Contain high spatial frequencies 
B)  Have higher contrasts than their surroundings 
C)  Have intensities which are different from their surroundings 
D)  Move 
A)  Contain high spatial frequencies 
B)  Have higher contrasts than their surroundings 
C)  Have intensities which are different from their surroundings 
D)  Move

Question 8

After about 200 ms, in which direction to the eyes move when pursuing a moving object?

Accepted Answer

A)  The direction orthogonal to one of the object's sides 
B)  The direction in which the whole object is moving 
C)  The direction which is an average of the directions orthogonal to its contours 
D)  None of these 
A)  The direction orthogonal to one of the object's sides 
B)  The direction in which the whole object is moving 
C)  The direction which is an average of the directions orthogonal to its contours 
D)  None of these

Question 9

Give an example of physiological and another of behavioural evidence for spatial remapping across saccades.

Accepted Answer

Spatial remapping is the process by whic

Question 10

Juricevic et al. showed that patterns caused greater visual discomfort if their amplitude spectra:

Accepted Answer

A)  Followed the 1/f law 
B)  Were curtailed 
C)  Were scrambled 
D)  Had amplitudes of spatial frequencies close to 3 c deg−1 that were greater than predicted by the 1/f law 
A)  Followed the 1/f law 
B)  Were curtailed 
C)  Were scrambled 
D)  Had amplitudes of spatial frequencies close to 3 c deg−1 that were greater than predicted by the 1/f law

Question 11

Melcher and Colby argued against the possibility of a detailed trans-saccadic memory, on the grounds that:

Accepted Answer

A)  Peripheral vision is coarse 
B)  Eye movements are imprecise 
C)  It would decay during a saccade 
D)  Objects can change their relative positions during a saccade, because of object or observer motion 
A)  Peripheral vision is coarse 
B)  Eye movements are imprecise 
C)  It would decay during a saccade 
D)  Objects can change their relative positions during a saccade, because of object or observer motion

Question 12

Joubert et al. suggested that:

Accepted Answer

A)  Objects are categorized more quickly than scenes 
B)  Scenes are categorized more quickly than objects 
C)  Scenes are categorized by first identifying typical objects within them 
D)  The scene itself, and the objects within it, are categorised in parallel, with the possibility of interaction between the processes 
A)  Objects are categorized more quickly than scenes 
B)  Scenes are categorized more quickly than objects 
C)  Scenes are categorized by first identifying typical objects within them 
D)  The scene itself, and the objects within it, are categorised in parallel, with the possibility of interaction between the processes

Question 13

Latour found that the probability of detection of a flash of light turned on around the time of a saccade was lowest:

Accepted Answer

A)  50 ms before saccade onset 
B)  75 ms after saccade onset 
C)  5 ms before saccade onset 
D)  5 ms after saccade offset 
A)  50 ms before saccade onset 
B)  75 ms after saccade onset 
C)  5 ms before saccade onset 
D)  5 ms after saccade offset

Question 14

The contrast sensitivity function for chromatic gratings is shifted towards lower spatial frequencies than that for luminance gratings, though in natural scenes the spatial content provided by colour and by luminance is the same. How did Parraga et al. reconcile this with the idea that the human visual system is matched to the properties of the world?

Accepted Answer

A)  They suggested that colour is a such a late addition to vision that evolution has had no time to shape it 
B)  They suggested that colour is most useful when objects are large 
C)  They suggested that, at a viewing distance of about 40 cm, a distance at which one would pick ripe fruit, the properties of the scene and of the visual system would match 
D)  They suggested that colour is important in processing of coarse moving stimuli 
A)  They suggested that colour is a such a late addition to vision that evolution has had no time to shape it 
B)  They suggested that colour is most useful when objects are large 
C)  They suggested that, at a viewing distance of about 40 cm, a distance at which one would pick ripe fruit, the properties of the scene and of the visual system would match 
D)  They suggested that colour is important in processing of coarse moving stimuli

Question 15

Listeners can perceive accurately sounds recorded in a room which causes reverberation, provided that:

Accepted Answer

A)  They hear the sound through headphones 
B)  The test word occurs in a context of other words recorded with the same reverberation 
C)  The test word is presented at high intensity 
D)  They are familiar with the test word without reverberation 
A)  They hear the sound through headphones 
B)  The test word occurs in a context of other words recorded with the same reverberation 
C)  The test word is presented at high intensity 
D)  They are familiar with the test word without reverberation

Why is it faster to categorise a scene as natural or man-made than as indoor or outdoor?

'Grey-out' of the image of a room occurs around the time of a saccade when:

When there is no clear distance information in a scene, observers perceive the distance of an object to be about:

What is the oblique effect, and how is it to be explained?

Categorization of scenes is faster, when the categorization is:

Huang et al. showed that, in natural scenes, objects were more likely to be above rather than below the horizontal line of sight beyond a distance of:

Image regions which are fixated tend not to:

After about 200 ms, in which direction to the eyes move when pursuing a moving object?

Give an example of physiological and another of behavioural evidence for spatial remapping across saccades.

Juricevic et al. showed that patterns caused greater visual discomfort if their amplitude spectra:

Melcher and Colby argued against the possibility of a detailed trans-saccadic memory, on the grounds that:

Joubert et al. suggested that:

Latour found that the probability of detection of a flash of light turned on around the time of a saccade was lowest:

Listeners can perceive accurately sounds recorded in a room which causes reverberation, provided that:

The Nature of Perception, and Some Ways of Investigating It

Research Methods in Perception

Mechanisms of Early and Middle Visual Processing

Seeing in Colour

Seeing Pattern and Motion

Hearing

Taste and Smell

Touch and Pain

Vestibular and Proprioceptive Systems

Visual and Auditory Localisation

Perception and Action

Recognising Faces

Attention and Awareness

Changes in Perception Through the Life-Span

Pathologies of Perception

Filters

Exam 12: Eye Movements and Perception of Natural Scenes

Why is it faster to categorise a scene as natural or man-made than as indoor or outdoor?

'Grey-out' of the image of a room occurs around the time of a saccade when:

When there is no clear distance information in a scene, observers perceive the distance of an object to be about:

What is the oblique effect, and how is it to be explained?

Categorization of scenes is faster, when the categorization is:

Huang et al. showed that, in natural scenes, objects were more likely to be above rather than below the horizontal line of sight beyond a distance of:

Image regions which are fixated tend not to:

After about 200 ms, in which direction to the eyes move when pursuing a moving object?

Give an example of physiological and another of behavioural evidence for spatial remapping across saccades.

Juricevic et al. showed that patterns caused greater visual discomfort if their amplitude spectra:

Melcher and Colby argued against the possibility of a detailed trans-saccadic memory, on the grounds that:

Joubert et al. suggested that:

Latour found that the probability of detection of a flash of light turned on around the time of a saccade was lowest:

Listeners can perceive accurately sounds recorded in a room which causes reverberation, provided that:

The Nature of Perception, and Some Ways of Investigating It

Research Methods in Perception

Mechanisms of Early and Middle Visual Processing

Seeing in Colour

Seeing Pattern and Motion

Hearing

Taste and Smell

Touch and Pain

Vestibular and Proprioceptive Systems

Visual and Auditory Localisation

Perception and Action

Recognising Faces

Attention and Awareness

Changes in Perception Through the Life-Span

Pathologies of Perception

Filters