Attention 2

Question 1

Visual search

Answer 1

Feature search, conjunction speech
- search for things defined by a single feature which seems easy and effortless
RT doesnt increase with increasing numbers

Things to search - the item pops out

Question 2

Conjunction a

Answer 2

Seems hard

Increase twice as much for absent than present trials
RT is increased
If you have to search each item in turn till you either found it then you will find it half way through through present trials

Question 3

Treisman, feature integration theory

Answer 3

Each feature in image is registered in feature maps