Attention Flashcards
What is attention described as?
An information filter
A spotlight
What is the cocktail party effect?
Ones focus changes abruptly due to salient stimulus
Somebody enters the room and calls your name as you are talking with your friends. Your attention immediately diverts to the person who said your name. What effect is this?
Cocktail party effect
What is a KEY STUDY (2) of inattention blindness?
Running track study
Policeman court case
What is inattentional blindness?
When you fail to see something that is plainly visible
You are on a run and run past a car crash scene at the side of the road. You did not notice it until shown CCTV of you running past the scene. What is this an example of?
In-attentional blindness
Who is in-attentional blindness more likely to affect?
A novice over an expert
Can in-attentional blindness occur in anyone?
Yes, even intelligent/vigilant people
What is the key in-attentional blindness running study?
Students asked to follow runner round track
Fight occurred on route
Asked if they saw anything unusual
In the IAB running study, what percentage of students saw the fight in daytime
What percentage saw the fight at night time?
72%
35%
In the IAB running study, what effect did increasing cognitive demand (count how many times the runner tapped his head) have?
Had major influence on IAB
Dropped to 56%
What are 3 reasons for in-attentional blindness?
1) Increased cog demand
2) Individual diffs between people
3) Conspicuity of stimulus
How can expectations cause in-attentional blindness?
Past experiences teach us what is relevant
I.e. expecting something to have a bright label, but on one occasion having a plain label
What is the conspicuity of a stimulus?
The degree to which it jumps to your attention
How can mental workload/task interference affect IAB?
It is MORE LIKELY to occur if part of our attention is diverted to a secondary task
Where are most of our attentional resources directed towards?
The centre
What did Laberge find, when placing targets in the centre of a screen?
People react at a faster rate when purposely spotting it
We preferentially process whatever falls into our…
Beam of focus