Week 11 - attention

Question 1

What is the capacity of attention?

Answer 1

• Limited capacity resource (Moray, 1967)
• Attentional ‘‘Bottleneck’’

Question 2

What did the Gorilla experiment result regarding attention

Answer 2

1. 54% noticed unexpected event vs 46% failed to notice
2. Easy vs Hard task - more obersevers noticed the unexpected even in the easy task
3. Black vs White intstructions - More observers notived the unexpected event in black (58%) than in the White (27%) condition

Question 3

What is the difference between exogenous vs endogenous attention?

Answer 3

exogenous (bottom up) - stimulis driven, involuntary, transient.
endogenous (top down) - goal driven, voluntary, sustained.

Question 4

What is the difference between covert vs overt attention?

Answer 4

OVERT: the act of physically dircting eyes to a stimulus.
COVERT: a mental shit of attention without physical movement.

Question 5

What selectivity of attention

Answer 5

To a large extent, multitasking is impossible