Deck 13: Multisensory Processing in Perception

Question 1

Research results indicate that enhanced reactions due to cross-modal cueing are likely to reflect:

A) The response of the fastest unimodal neurons
B) Parallel activation of different unimodal neurons
C) Activity in polysensory neurons
D) Changes in decision criterion.

Answer 1

C

Question 2

Unimodal reaction times are:

A) Fastest for vision and slowest for touch
B) Fastest for audition and slowest for vision
C) Fastest for audition and slowest for touch
D) Fastest for touch and slowest for audition

Answer 2

C

Question 3

Orbitofrontal cortex contains multi-sensory cells jointly responsive to vision and:

A) Vestibular signals
B) Auditory signals
C) Taste signals
D) Touch signals

Answer 3

C

Question 4

How do tactile discrimination thresholds change during visual observation?

A) they are higher
B) they don't change
C) they are lower
D) they are unpredictable

Question 5

Relative to unimodal stimuli, reaction times to bimodal stimuli are:

A) Slower
B) Equal
C) Unpredictable
D) Faster

Question 6

The strawberry smell of a liquid appears stronger when the liquid is which colour?

A) green
B) red
C) clear
D) white

Question 7

The ratio of females to males exhibiting synaesthesia is:

A) 6:1
B) 3:2
C) 3:1
D) 2:1

Question 8

When a person perceives colours when presented with sounds, they are said to experience:

A) Cross-adaptation
B) Sensory substitution
C) Synaesthesia
D) Superadditivity

Question 9

Synaesthesia may involve what sort of neural connections between unimodal cortical areas?

A) Branching
B) Parallel
C) Indirect
D) Direct

Question 10

Minute fluctuations in electrical potential in the brain caused by changes in sensory stimulation are known as:

A) Action-related potentials
B) Event-related potentials
C) Peak potentials
D) Electric potentials

Question 11

If the response to stimulation from multiple senses is much greater than the sum of the responses to each sense in isolation, the response is said to be:

A) Superadditive
B) Cross-modal
C) Exogenous
D) Inattentional
E) Synesthetic

Question 12

What technique has been used to study decision effects in multi-sensory integration?

A) Signal detection theory
B) Modular processing theory
C) Evolutionary theory
D) Modular sensory theory

Question 13

Multimodal stimulus presentation has shown to:

A) Increase reaction time
B) Reduce reaction time
C) Block reactions
D) Have no effect on reaction time

Question 14

A 'valid' cue in a cross-modal cueing experiment has:

A) The same location and matching modality relative to the target stimulus
B) A different location and matching modality relative to the target stimulus
C) A different location and different modality relative to the target stimulus
D) The same location and different modality relative to the target stimulus

Question 15

A well-known perceptual interaction between vision and hearing in speech perception is known as:

A) McGurk effect
B) Context effect
C) Halo effect
D) Ponzo effect
E) Mediator effect

Question 16

Perceived skin texture can be altered by manipulating:

A) Smell
B) Sound
C) Light
D) Temperature

Question 17

Auditory noise presented with light tends to be perceived as:

A) Quieter
B) Higher pitch
C) Lower pitch
D) Louder

Question 18

Visual observation has been shown to improve discrimination thresholds for:

A) Touch
B) Smell
C) Taste
D) Loudness

Question 19

The theory of modular processing in cognition was proposed by:

A) Driver
B) Fodor
C) Diederich and Colonius
D) Spence

Question 20

Which area of cortex is known as polysensory cortex?

A) STS
B) MT
C) IT
D) STP