ATTENTION Flashcards
Give all types of attention.
Top-down
Bottom-up
Covert attention
What is top-down attention?
Voluntarily focussing on someting aka endogenous attention
What is bottom-up attention?
Something automallically draws your attention aka exogenous attention
What is covert attention?
When you visually focus on somethng in the periphary of your vision
What is change blindness?
When you do not recognize a change in your environment
What is inattentional blindness?
Being unaware of something that is happening in the center of your visual field. (basketball gorillas)
What is inhibition of return?
Relative suppression of processing of stimuli that attention has been focussed on previously. Thereby prioritizing novel stimuli. enhances the first 200-300 ms, and impair after 500 - 3000 ms.
To what types of attention is IoR related?
Covert attention and bottom-up atttention.
What brain region is related to IoR?
Superior colliculus. (midbrain)
What is synesthesia?
It is a perceptual phenomenon in which stimulation of one sensory or cognitive pathway involuntarily triggers different sensory or cognitive pathway.
What is the difference between lower and higher synesthesia?
Whereas in lower synestesia a second sensory or cognitive pathway is triggered, in higher synestesia more pathways are triggered.
What is a saliency map?
Map of individual features.
Which brain area is bottom-up attention initiated?
Visual cortex (V1,V2)
