A search where an object has a unique or 'pop out' feature
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What is a conjunctive search?
Target has no unique feature
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How are objects created in our brain? When is attention applied?
Prior to attention, the features of the object are encoded in parrallel. After, the features of the object are bonded together using attention in order to create the image.
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How do the number of distractors affect a feature/conjunctive search?
Doesn't affect a feature search. Makes conjunctive searches more difficult.
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What is an illusory conjunction?
When attention is absent, the brain can improperly bind 2 different objects and can confidently, incorrectly define the object
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What can reduce the likelihood of illusory conjunctions?
Prior knowledge of the object shown. Even without attention, with 'top-down' processing, can use prior knowledge to correctly define.
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What is an 'activation map'?
Before attention, spots where the target is most likely to be found, has a higher level of activation, this tells us when attention is applied, where to serially search first
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Why is the dual path model more effective than FIT
Allows us to only search in specific areas, so is more efficient when searching for n object in a conjunctive search
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How can damage to the parietal cortex affect visual searches?
Can cause poor spatial attention and feature binding.
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Other cards in this set
Card 2
Front
What is a conjunctive search?
Back
Target has no unique feature
Card 3
Front
How are objects created in our brain? When is attention applied?
Back
Card 4
Front
How do the number of distractors affect a feature/conjunctive search?
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