Seeing and hearing 10

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What is multi-sensory integration?
In everyday life we do not perceive single events, we integrate information from the different sensory modalities
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What are the three principles multisensory integration is bound by?
Inverse effectiveness, the spatial principle and the temporal principle
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What is inverse effectiveness in relation to multisensory integration?
It's the idea that Multisensory integration is stronger when the unisensory stimuli evoke relatively weak response when presented in isolation
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What is the spatial principle in relation to multisensory integration?
The idea that multisensory integration is stronger when the two or more unisensory stimuli arise from the same location.
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What is the temporal principle in relation to multisensory integration?
The idea that multisensory is stronger when the two unisensory stimuli arise at the same time.
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If the stimuli are not exactly stimulaneous can we still integrate them?
Yes, our brain tolerates small asynchronies
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What is the crossmodal congruency effect?
Ps hold one foam block. In the standard version they make speeded elevation discrimination responses to visual targets presented in the lower or upper part of the cube whilst ignoring tactile distractors presented independently to the index finger
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When is performance on the visual elevation discrimination task slower and less accurate?
When the visual target is incongruent with the evelation of the vibro-tactile distractor (e.g a lower light during the presentation of an upper vibrotactile target to the index finger) than when they were congruent.
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Why is tolerance of the differences between sensory information useful?
Because light travels faster than sound
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What is temporal binding window?
The range of stimulus onset asynchronies in which multiple sensory inputs have a high probability of altering responses
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What does the temporal binding window represent?
The tolerance for the differences between senses
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What is the simultaneity judgement task?
The task used to study the temporal binding window in which participants report on the perceived simultaneity (synchrony) of paired stimuli
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What does multisensory integration do?
Decreases sensory uncertainty / increases sensory certainty
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What does the rubber hand illusion do?
Provide a powerful experimental tool to investigate the individual's bodily self. After syncronous visuo-tactile stimulation of the rubber hand and the participant's hand, the participants perceive the position of their hand to be closer to the rubbe
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Card 2

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What are the three principles multisensory integration is bound by?

Back

Inverse effectiveness, the spatial principle and the temporal principle

Card 3

Front

What is inverse effectiveness in relation to multisensory integration?

Back

Preview of the front of card 3

Card 4

Front

What is the spatial principle in relation to multisensory integration?

Back

Preview of the front of card 4

Card 5

Front

What is the temporal principle in relation to multisensory integration?

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