Attention Flashcards
When is early selection
Before semantic processing
When is late selection
After semantic processing
What is the dichotic listening task by cherry
Shadow one stream (repeat word for word) and ignore the other
What are the problems for early selection
Some info can break through
Stroll effect can’t filter out colour or meaning
What’s involved in late selection
High load
Hard tasks
Requiring lots of resources
What’s involved in triesmans feature integration theory
-preattentive
Basic features processed in parallel with feature maps
-attention
Features bound into units with serial attention
What’s feature binding
Attention binds features into objects
What happens with illusionary conjunctions under high/ low loads
Low load- no illusory conjunctions
High load- illusory conjunctions
What is exogenous vs endogenous attention?
Exogenous - automatic
Endogenous - self initiated
What’s object based attention
When there’s faster and more accurate processing within one object then across two objects
What happens when you damage the parietal lobe (on the right)
- ignores left side of visual world
- won’t shave left side of face
- won’t eat from left side of plate
- orients body to the right
What’s balints syndrome
- completely object based deficit
- bilateral parietal damage
- can only see one object at a time
(Simultanagnosia)
